CN104644275A - Orthodontic assessment system - Google Patents

Abstract

The invention relates to an orthodontic assessment system, which comprises a lip discrepancy calculating unit, a center line discrepancy calculating unit, a space capacity difference calculating unit and a displacement assessment value calculating unit. The lip discrepancy calculating unit is used for calculating a first discrepancy, the center line discrepancy calculating unit is used for calculating a second discrepancy, the space capacity difference calculating unit is used for calculating a tooth space capacity difference value, the displacement assessment value calculating unit is used for calculating a displacement assessment value of a first molar tooth, a second molar tooth and a third molar tooth of o orthodontic patient according to the first discrepancy, the second discrepancy and the tooth space capacity difference value.

Description

Mouth cavity orthodontic evaluating system

Technical field

The present invention relates to a kind of mouth cavity orthodontic evaluating system, refers to the mouth cavity orthodontic evaluating system of displacement needed for a kind of tooth providing mouth cavity orthodontic sufferer especially.

Background technology

Many mouth cavity orthodontic doctors are in the mouth cavity orthodontic sufferer in the face of various situation, often from nowherely to set about, reason is that the mouth cavity orthodontic problem of every mouth cavity orthodontic sufferer is nearly all different, so be difficult to plan therapeutic strategy by simple mode and fixing pattern.And the mouth cavity orthodontic problem faced by doctor is generally tooth and should moves how many distance and this mouth cavity orthodontic sufferer, the need of exodontia, if must have tooth pulled out, should pull out again the tooth of which position in mouth cavity orthodontic process.According to the mouth cavity orthodontic problem of various different sufferer, mouth cavity orthodontic doctor only can carry out subjective judgment with the clinical experience of itself.

The process of the planning of therapeutic strategy normally trial and error, mouth cavity orthodontic doctor uses gains in depth of comprehension according to himself experience and technology and makes therapeutic strategy, therefore, relies on subjective judgment and the experience of mouth cavity orthodontic doctor in planning process camber.If can when mouth cavity orthodontic doctor carries out mouth cavity orthodontic assessment, the definite data of displacement needed for the crucial tooth of mouth cavity orthodontic sufferer are provided to carry out the planning of therapeutic strategy with auxiliary mouth cavity orthodontic doctor, the planning process of Orthodontic Treatment strategy can be made to become objective science data analysis from the subjective judgment of doctor, thus greatly promote the smoothness of Orthodontic Treatment plan.

Summary of the invention

A kind of auxiliary mouth cavity orthodontic doctor is the object of the present invention is to provide to carry out the mouth cavity orthodontic evaluating system of the planning of the therapeutic strategy of mouth cavity orthodontic.

Mouth cavity orthodontic evaluating system of the present invention, is applicable to the positive face image by a mouth cavity orthodontic sufferer, side face image and an occlusal surfaces of teeth image, carry out mouth cavity orthodontic assessment to this mouth cavity orthodontic sufferer, wherein distinguishes axis and one second by definition one first and distinguish axis, so that the tooth of this mouth cavity orthodontic sufferer is divided into a first area, one second area adjacent with this first area, one the 4th region be engaged mutually with this first area and the 3rd region be engaged mutually with this second area, wherein when this mouth cavity orthodontic sufferer is without agomphosis, each region all has a central incisor, one lateral incisor, one canine tooth, one first premolar, one is positioned at this first premolar second premolar below, one first molar, one is positioned at this first molar second largest molar and is below positioned at this second largest molar third lolar tooth below, and this mouth cavity orthodontic evaluating system comprises a lip deviate computing unit, one medium line error value computing unit, one spatial content difference calculation units and a displacement assessed value computing unit.

This lip deviate computing unit is positioned at the lip feature point of the front end of a lip portion for the line attractive in appearance and obtaining this side face image, and according to this lip feature point and this line computation one first deviate attractive in appearance.

This medium line error value computing unit, for the nearly heart face of one of them of a central incisor part of the facial midline and a first area that obtain this positive face image, side front tooth part and a canine tooth part, and the vertical dimension calculating the nearly heart face of one of them of the central incisor part of this facial midline and this first area, lateral incisor part and canine tooth part is using one second deviate as this first area.

This spatial content difference calculation units, for obtaining a dental arch scope of a first area of this occlusal surfaces of teeth image and being arranged in multiple toothed portions of this dental arch scope, and the summation of the nearly degree not lend oneself to worry and anxiety far away of corona corresponding to the described toothed portion calculating this first area is using a dental arch arc length of the dental arch scope as the width summation of this first area, this first area, and using the width summation of this first area and the difference of the dental arch arc length tooth spatial content difference value as this first area.

This displacement assessed value computing unit, for according to the second deviate of this first deviate, this first area and the tooth spatial content difference value of this first area, calculate a displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth.

Mouth cavity orthodontic evaluating system of the present invention, the dental arch scope of this first area is between the first area of this occlusal surfaces of teeth image and a dental arch center line of a second area and between the nearly heart face of the large molar part of forefront, and this displacement assessed value is one of the first area of this mouth cavity orthodontic sufferer is positioned at the displacement assessed value of the large molar of forefront.

Mouth cavity orthodontic evaluating system of the present invention, this displacement assessed value computing unit also for according to one first premolar part of this first deviate, this first area or the nearly degree not lend oneself to worry and anxiety far away of the corona of a second premolar part, the second deviate of this first area and the tooth spatial content difference value of this first area, calculates the displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth.

Mouth cavity orthodontic evaluating system of the present invention, this lip deviate computing unit is for obtaining a nose part of this side face image, this lip portion and a chin portion, and according to this nose part, the front end of this lip portion and the front end of this chin portion, obtain a nose characteristic point, this lip feature point and cling to characteristic point once, and then obtain this line attractive in appearance by this nose characteristic point and chin characteristic point, then according to this lip feature point and this first deviate of this line computation attractive in appearance.

Mouth cavity orthodontic evaluating system of the present invention, also comprise a user interface section, this user interface section is used for the central incisor corresponding respectively to the first area of this mouth cavity orthodontic sufferer for evaluator's input, lateral incisor, canine tooth, first premolar, second premolar, first molar, one central incisor width change value of second largest molar and third lolar tooth, one lateral incisor width change value, one canine tooth width change value, one first premolar width change value, one second premolar width change value, one first molar width change value, one second largest molar width change value and a third lolar tooth width change value.

Mouth cavity orthodontic evaluating system of the present invention, also comprise a width and change computing unit, this width changes computing unit for calculating this central incisor width change value, lateral incisor width change value, canine tooth width change value, first premolar width change value, second premolar width change value, first molar width change value, the summation of second largest molar width change value and third lolar tooth width change value changes summation using the width as this first area, wherein this displacement assessed value computing unit is also for according to this first deviate, one first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of the corona of a second premolar part, second deviate of this first area, the tooth spatial content difference value of this first area and width change summation, calculate the first molar of the first area of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

Mouth cavity orthodontic evaluating system of the present invention, also comprise a nipper difference calculation units, this nipper difference calculation units is for obtaining a central incisor part of the first area of this occlusal surfaces of teeth image, one central incisor part of one of them and a second area of side front tooth part and a canine tooth part, one of them of side front tooth part and a canine tooth part, and by the central incisor part of this first area, the lip side of one of them of lateral incisor part and canine tooth part and the central incisor part of this second area, one of them of the lip side of one of them of lateral incisor part and canine tooth part is as a standard flat, calculate the central incisor part of this first area, the lip side of one of them of lateral incisor part and canine tooth part and the vertical dimension of this standard flat are using the nipper difference value as this first area, wherein this displacement assessed value computing unit is also for according to this first deviate, first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of the corona of second premolar part, second deviate of this first area, the tooth spatial content difference value of this first area, width changes summation and nipper difference value, calculate the first molar of the first area of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

Mouth cavity orthodontic evaluating system of the present invention, this displacement assessed value computing unit utilizes following formulae discovery to go out the displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth

$M_{H_1}=\frac{E}{A}+P_{H_1}-L_{H_1}-S_{H_1}-B_{H_1}+C_{H_1},$

Wherein E represents this first deviate, and A represents the ratio that one in a displacement of the lip of this mouth cavity orthodontic sufferer and the first area of this mouth cavity orthodontic sufferer and second area is positioned at the displacement of the tooth of forefront, represent the first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of corona of second premolar part, represent the second deviate of this first area, represent the tooth spatial content difference value of this first area, the width representing this first area changes summation, represent the nipper difference value of this first area.

Mouth cavity orthodontic evaluating system of the present invention, this spatial content difference calculation units is also for obtaining a dental arch scope of a second area of this occlusal surfaces of teeth image and being arranged in multiple toothed portions of this dental arch scope, and the summation of the nearly degree not lend oneself to worry and anxiety far away of corona corresponding to the described toothed portion calculating this second area is using the width summation as this second area, one dental arch arc length of the dental arch scope of this second area, and using the width summation of this second area and the difference of the dental arch arc length tooth spatial content difference value as this second area, this medium line error value computing unit is also for obtaining a central incisor part of a second area of this positive face image, the nearly heart face of one of them of side front tooth part and a canine tooth part, and calculate the central incisor part of this facial midline and this second area, the vertical dimension in the nearly heart face of one of them of lateral incisor part and canine tooth part is using one second deviate as this second area, this displacement assessed value computing unit is also for according to this first deviate, second deviate of this second area and the tooth spatial content difference value of this second area, calculate the first molar of the second area of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

Mouth cavity orthodontic evaluating system of the present invention, also be applicable to the denture side teeth images by this mouth cavity orthodontic sufferer, mouth cavity orthodontic assessment is carried out to this mouth cavity orthodontic sufferer, this mouth cavity orthodontic evaluating system also comprises large molar metrics calculation unit and a teeth number difference calculation units, this large molar metrics calculation unit for obtain this denture side teeth images a first area in one be arranged in the nearly heart face that the nearly heart face of the large molar part of forefront and one the 4th region one are positioned at the large molar part of forefront, and the vertical dimension calculating the nearly heart face of the large molar part of this first area and the nearly heart face of this four-range large molar part is using as to should first area and this four-range 1 the 3rd deviate, this teeth number difference calculation units is used for obtaining respectively in this first area of this denture side teeth images and the 4th region the multiple toothed portions be positioned at before the large molar process of forefront divides, and the difference calculating the total tooth number of toothed portion described in the total tooth number of the described toothed portion of this first area and this four-range is using as to should first area and this four-range one number difference value, this displacement assessed value computing unit is also for the first molar according to this first area, the displacement assessed value of one of them of second largest molar and third lolar tooth, to should first area and this four-range the 3rd deviate, one first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of the corona of a second premolar part and to should first area and this four-range number difference value, calculate the first molar of four-range of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

Mouth cavity orthodontic evaluating system of the present invention, this displacement assessed value computing unit utilizes following formulae discovery to go out the displacement assessed value of one of them of the first molar of four-range of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth

$M_{L_1}=M_{H_1}+D_1+P_{H_1}\×(N_1+1/2),$

Wherein represent the displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth, D ₁represent should first area and this four-range the 3rd deviate, represent the first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of corona of second premolar part, N ₁represent should first area and this four-range number difference value.

Mouth cavity orthodontic evaluating system of the present invention, also be applicable to another denture side teeth images by this mouth cavity orthodontic sufferer, mouth cavity orthodontic assessment is carried out to this mouth cavity orthodontic sufferer, this large molar metrics calculation unit also for obtain this another denture side teeth images a second area in one be arranged in the nearly heart face that the nearly heart face of the large molar part of forefront and one the 3rd region one are positioned at the large molar part of forefront, and the vertical dimension calculating the nearly heart face of the nearly heart face of the large molar part of this second area and the large molar part in the 3rd region is using as to should one the 3rd deviate in second area and the 3rd region, this teeth number difference calculation units is also for obtaining in this second area of this another denture side teeth images and the 3rd region the multiple toothed portions be positioned at before the large molar process of forefront divides respectively, and the difference calculating the total tooth number of the total tooth number of the described toothed portion of this second area and the described toothed portion in the 3rd region is using as to should the number difference value in second area and the 3rd region, this displacement assessed value computing unit is also for the first molar according to this second area, the displacement assessed value of one of them of second largest molar and third lolar tooth, to should the 3rd deviate in second area and the 3rd region, one first premolar part of this second area or the nearly degree not lend oneself to worry and anxiety far away of the corona of a second premolar part and to should the number difference value in second area and the 3rd region, calculate the first molar in the 3rd region of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

Mouth cavity orthodontic evaluating system of the present invention, also be applicable to another occlusal surfaces of teeth image by this mouth cavity orthodontic sufferer, mouth cavity orthodontic assessment is carried out to this mouth cavity orthodontic sufferer, this medium line error value computing unit is also for obtaining this facial midline and a four-range one central incisor part of this positive face image, the nearly heart face of one of them of side front tooth part and a canine tooth part, and calculate this facial midline and this four-range central incisor part, the vertical dimension in the nearly heart face of one of them of lateral incisor part and canine tooth part is using as this four-range one second deviate, this spatial content difference calculation units is also for obtaining a four-range one dental arch scope of this another occlusal surfaces of teeth image and being arranged in multiple toothed portions of this dental arch scope, and the summation calculating the nearly degree not lend oneself to worry and anxiety far away of corona that described in this four-range dental arch scope, toothed portion is corresponding is using as this four-range width summation, one dental arch arc length of this four-range dental arch scope, and using the difference of this four-range width summation and dental arch arc length as this four-range one tooth spatial content difference value, this displacement assessed value computing unit is also for according to this four-range second deviate, the first molar of four-range of this four-range tooth spatial content difference value and this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth, calculate the four-range central incisor of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of lateral incisor and canine tooth.

Mouth cavity orthodontic evaluating system of the present invention, this displacement assessed value computing unit also for the displacement assessed value of one of them of the nearly degree not lend oneself to worry and anxiety far away of corona according to this four-range second deviate, this four-range one first premolar part or a second premolar part, this four-range tooth spatial content difference value and the first molar of four-range of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth, calculates the displacement assessed value of one of them of the four-range central incisor of this mouth cavity orthodontic sufferer, lateral incisor and canine tooth.

Mouth cavity orthodontic evaluating system of the present invention also comprises a user interface section and a width changes computing unit, and this user interface section is used for the four-range central incisor corresponding respectively to this mouth cavity orthodontic sufferer for evaluator's input, lateral incisor, canine tooth, first premolar, second premolar, first molar, one central incisor width change value of second largest molar and third lolar tooth, one lateral incisor width change value, one canine tooth width change value, one first premolar width change value, one second premolar width change value, one first molar width change value, one second largest molar width change value and a third lolar tooth width change value, this width changes computing unit for calculating this central incisor width change value, lateral incisor width change value, canine tooth width change value, first premolar width change value, second premolar width change value, first molar width change value, the summation of second largest molar width change value and third lolar tooth width change value is to change summation as this four-range one width, and this displacement assessed value computing unit is also for according to this four-range second deviate, this four-range tooth spatial content difference value, this four-range width changes the first molar of four-range of summation and this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth, calculates the four-range central incisor of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of lateral incisor and canine tooth.

Mouth cavity orthodontic evaluating system of the present invention, this displacement assessed value computing unit is also for according to this four-range second deviate, the nearly degree not lend oneself to worry and anxiety far away of corona of this four-range one first premolar part or a second premolar part, this four-range tooth spatial content difference value, this four-range width changes the first molar of four-range of summation and this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth, calculate the four-range central incisor of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of lateral incisor and canine tooth.

Mouth cavity orthodontic evaluating system of the present invention, this displacement assessed value computing unit utilizes following formulae discovery to go out the displacement assessed value of one of them of the four-range central incisor of this mouth cavity orthodontic sufferer, lateral incisor and canine tooth

$I_{L_1}=-(P_{L_1}-M_{L_1}-L_{L_1}-S_{L_1}-B_{L_1}),$

Wherein represent the nearly degree not lend oneself to worry and anxiety far away of corona of this four-range first premolar part or second premolar part, represent the displacement assessed value of one of them of the first molar of four-range of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth, represent this four-range second deviate, represent this four-range tooth spatial content difference value, represent this four-range width and change summation.

Mouth cavity orthodontic evaluating system of the present invention, also comprise a user interface section and mouth cavity orthodontic instruction generation unit, this mouth cavity orthodontic instruction generation unit is used for producing a mouth cavity orthodontic instruction according to the displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth, and this user interface section is used for presenting the instruction of this mouth cavity orthodontic.

Beneficial effect of the present invention is: by the displacement assessed value corresponding to the first molar that this displacement assessed value computing unit calculated this mouth cavity orthodontic sufferer, mouth cavity orthodontic assessment is carried out with this evaluator auxiliary, the planning process of Orthodontic Treatment strategy can be made to become objective science data analysis from the subjective judgment of doctor, and then promote this mouth cavity orthodontic sufferer in the smoothness of mouth cavity orthodontic process and this evaluator in the correctness of evaluation process.

Accompanying drawing explanation

Fig. 1 is a block chart, and a preferred embodiment of mouth cavity orthodontic evaluating system of the present invention is described;

Fig. 2 is a schematic diagram, and the side face image of a mouth cavity orthodontic sufferer is described;

Fig. 3 is a schematic diagram, and one of this mouth cavity orthodontic sufferer positive face image is described;

Fig. 4 is a schematic diagram, and an occlusal surfaces of teeth image of this mouth cavity orthodontic sufferer is described;

Fig. 5 is a schematic diagram, and another occlusal surfaces of teeth image of this mouth cavity orthodontic sufferer is described;

Fig. 6 is a schematic diagram, and a denture side teeth images of this mouth cavity orthodontic sufferer is described; And

Fig. 7 is a schematic diagram, and another denture side teeth images of this mouth cavity orthodontic sufferer is described.

Detailed description of the invention

Below in conjunction with drawings and Examples, the present invention is described in detail.

Refer to Fig. 1, the preferred embodiment of mouth cavity orthodontic evaluating system 1 of the present invention is applicable to carry out mouth cavity orthodontic assessment by the side face image (as shown in Figure 2) of a mouth cavity orthodontic sufferer, a positive face image (as shown in Figure 3), an occlusal surfaces of teeth image (as shown in Figure 4), another occlusal surfaces of teeth image (as shown in Figure 5), a denture side teeth images (as shown in Figure 6) and another denture side teeth images (as shown in Figure 7) to this mouth cavity orthodontic sufferer.Distinguish axis (not shown) and one second distinguish axis (not shown) by defining one first, the tooth of this mouth cavity orthodontic sufferer to be divided into a first area, the 4th region that a second area adjacent with this first area, is engaged mutually with this first area and the 3rd region be engaged mutually with this second area.In this preferred embodiment, this mouth cavity orthodontic sufferer is without agomphosis, and each region of this mouth cavity orthodontic sufferer all has a central incisor, a lateral incisor, a canine tooth, one first premolar, are positioned at this first premolar second premolar below, a first molar, is positioned at this first molar second largest molar and below and is positioned at this second largest molar third lolar tooth below.

In this preferred embodiment, by 3D digital scan instrument, as this instrument of 3Shape TRIOS produces should the 3D image of tooth of mouth cavity orthodontic sufferer, wherein this occlusal surfaces of teeth image, another occlusal surfaces of teeth image, denture side teeth images and another denture side teeth images are different visual angles from this 3D image and obtain, and this side face image and positive face image are 2D image, but the present invention is not as limit.In other embodiments of the invention, this occlusal surfaces of teeth image, another occlusal surfaces of teeth image, denture side teeth images and another denture side teeth images also can be 2D image.

This system 1 comprises lip deviate computing unit 10, medium line error value computing unit 11, spatial content difference calculation units 12, width and changes large molar metrics calculation unit 15, teeth number difference calculation units 16, displacement assessed value computing unit 17, the mouth cavity orthodontic instruction generation unit 18 of computing unit 13, nipper difference calculation units 14, one and a user interface section 19.

Consult Fig. 1 and Fig. 2, this lip deviate computing unit 10 for the front end that obtains a chin portion of this side face image 21 using as clinging to characteristic point 211 once, the front end of one lip portion is using as a lip feature point 212 and a nose part using as a nose characteristic point 213, and then obtain one by the line attractive in appearance 214 of this chin characteristic point 211 and nose characteristic point 213, then according to this lip feature point 212, this line 214 attractive in appearance and an existing statistical value attractive in appearance calculate one first deviate, represent with E, when the lip feature point 212 of this mouth cavity orthodontic sufferer must move forward, this first deviate E is just, when the lip feature point 212 of this mouth cavity orthodontic sufferer must move backward, this first deviate E is negative.It is worth mentioning that, medically, the difference such as age, sex, race, age of this mouth cavity orthodontic sufferer, statistical value attractive in appearance corresponding to it also can change with it, table 1 only lists the Taiwan male of age between 11 ~ 15 years old and the statistical value attractive in appearance of Taiwan women, obtaining as prior art of statistical value attractive in appearance, so do not repeat at this.In addition, in other embodiments of the invention, this line 214 attractive in appearance also obtains by the assessment mode of existing Steiner's S line or Burstone ' s B line, but not as limit.

Table 1

Sex	Age	Statistical value attractive in appearance
			Man	11	1.5±1.1
Man	12	1.6±1.4
			Man	13	1.5±1.2
Man	14	1.8±1.5
			Man	15	1.9±1.2
Female	11	1.7±1.5
			Female	12	2.0±1.4
Female	13	1.8±1.2
			Female	14	1.7±1.3
Female	15	2.0±1.2

Consult Fig. 1 and Fig. 3, this medium line error value computing unit 11 is for obtaining a facial midline 221 of this positive face image 22, and one first, two, the central incisor part 30 that three and four regions are corresponding, 40, 60, the nearly heart face 301 of 50, 401, 601, 501, and calculate the central incisor part 30 in described region respectively, 40, 60, the nearly heart face 301 of 50, 401, 601, 501 vertical dimensions 222 respective with this facial midline 221, 223, 225, 224, and by described vertical dimension 222, 223, 225, 224 as respectively to should mouth cavity orthodontic sufferer tooth first, two, three and four-range second deviate, respectively with represent.Wherein when this facial midline 221 is not arranged in some region in the described region of this positive face image 22, then the second deviate corresponding to some region not being positioned at this positive face image 22 is negative value.On the contrary, when this facial midline 221 is arranged in some region in the described region of this positive face image 22, then the second deviate corresponding to some region being positioned at this positive face image 22 on the occasion of.In this preferred embodiment, this facial midline 221 not in first, fourth region, so correspond to second deviate in first, fourth region of the tooth of this mouth cavity orthodontic sufferer for negative value.On the contrary, this facial midline 221 is positioned at second and third region, so correspond to second deviate in second and third region of the tooth of this mouth cavity orthodontic sufferer for on the occasion of.

It is worth mentioning that, if there is central incisor the first area of this mouth cavity orthodontic sufferer, then the nearly heart face 301 of central incisor part 30 is considered as the second deviate calculating this first area first first-selected; If the first area of this mouth cavity orthodontic sufferer does not have central incisor, but has lateral incisor, then the nearly heart face 311 of lateral incisor part 31 is considered as the second deviate calculating this first area first first-selected; If the first area of this mouth cavity orthodontic sufferer does not have central incisor and lateral incisor, but has canine tooth, then the nearly heart face 321 of canine tooth part 32 is considered as the second deviate calculating this first area first first-selected, the rest may be inferred in other regions.

Consult Fig. 1, Fig. 4 and Fig. 5, this spatial content difference calculation units 12 is for obtaining first of this occlusal surfaces of teeth image 23, the 3rd of two regions and this another occlusal surfaces of teeth image 24, the dental arch scope that four regions are corresponding and be arranged in multiple toothed portions 30 corresponding to described dental arch scope, 31, 32, 33, 34, 40, 41, 42, 43, 44, 60, 61, 62, 63, 64, 50, 51, 52, 53, 54, and calculate described toothed portion 30 corresponding to described region, 31, 32, 33, 34, 40, 41, 42, 43, 44, 60, 61, 62, 63, 64, 50, 51, 52, 53, the summation of 54 respective nearly degree not lend oneself to worry and anxiety far away of corona is using the width summation as the described region of correspondence, one dental arch arc length of the dental arch scope in each region and, and the difference width summation in each region being cut dental arch arc length gained as to should mouth cavity orthodontic sufferer tooth first, two, three, four-range four tooth spatial content difference value, respectively with represent.

In this preferred embodiment, because the first area of this mouth cavity orthodontic sufferer is without agomphosis, be positioned between the nearly heart face 351 of large molar part (i.e. first molar part 35) of forefront so the dental arch scope of this first area is a dental arch center line and between first and second region of this occlusal surfaces of teeth image 23, in detail, the described toothed portion that the dental arch scope of first area is corresponding comprises central incisor part 30, lateral incisor part 31, canine tooth part 32, first premolar part 33 and second premolar part 34.That is, if there is first molar the first area of this mouth cavity orthodontic sufferer, then the large molar part being positioned at forefront is first molar part 35; If the first area of this mouth cavity orthodontic sufferer does not have first molar, but have second largest molar, then the large molar part being positioned at forefront is second largest molar part 36; If the first area of this mouth cavity orthodontic sufferer does not have first molar and second largest molar, but has third lolar tooth, then the large molar part being positioned at forefront is third lolar tooth part 37, and the rest may be inferred in other regions.

Wherein, the dental arch center line in this first and second region is a perpendicular bisector between the nearly heart face 401 of the nearly heart face 301 of the central incisor part 30 of the first area of this occlusal surfaces of teeth image 23 and a central incisor part 40 of second area.In time obtaining dental arch center line, if there is central incisor the first area of this mouth cavity orthodontic sufferer, then the nearly heart face 301 of central incisor part 30 is considered as the first first-selection obtaining dental arch center line; If the first area of this mouth cavity orthodontic sufferer does not have central incisor, but has lateral incisor, then the nearly heart face 311 of lateral incisor part 31 is considered as the first first-selection obtaining dental arch center line; If the first area of this mouth cavity orthodontic sufferer does not have central incisor and lateral incisor, but has canine tooth, then the nearly heart face 321 of canine tooth part 32 is considered as the first first-selection obtaining dental arch center line, the rest may be inferred in other regions.Wherein the nearly heart face of each toothed portion all refers to its side towards dental arch center line, the heart face far away of each toothed portion all refers to its side away from dental arch center line, and the nearly degree not lend oneself to worry and anxiety far away of the corona of each toothed portion is the vertical dimension in nearly heart face corresponding to it and heart face far away.In addition, the calculating of the dental arch arc length of this first area, the two-part areal survey in this first area can be utilized, namely from the dental arch center line being positioned at this first and second region close to the point in the nearly heart face 301 of the forefront dental part (i.e. central incisor part 30) of first area to the air line distance in the heart face 313 far away of the lateral incisor part 31 of this first area, add the air line distance of the heart face 313 far away of the lateral incisor part 31 of this first area to the nearly heart face 351 of first molar part 35.The above-mentioned two-part areal survey about dental arch arc length is well known to those skilled in the art.In addition, in other embodiments of the invention, the calculating of the dental arch arc length of this first area is also by the syllogic areal survey in this first area existing or the length measuring the line bent along dental arch general shape, but not as limit, the rest may be inferred in other regions.Be worth special instruction, the above-mentioned definition about dental arch scope, dental arch center line, nearly heart face, far heart face and the nearly degree not lend oneself to worry and anxiety far away of corona and explanation are all in this field to be known known by the knowledgeable usually.

This width changes computing unit 13 for calculating the central incisor in each region of the tooth corresponding respectively to this mouth cavity orthodontic sufferer, lateral incisor, canine tooth, first premolar, second premolar, first molar, one central incisor width change value of second largest molar and third lolar tooth, one lateral incisor width change value, one canine tooth width change value, one first premolar width change value, one second premolar width change value, one first molar width change value, the summation of one second largest molar width change value and a third lolar tooth width change value using as correspond respectively to this mouth cavity orthodontic sufferer tooth first, two, three, four-range width changes summation, respectively with represent.Wherein when described width change value is just, namely near for the corona of the tooth corresponding to this mouth cavity orthodontic sufferer degree not lend oneself to worry and anxiety far away will broaden by representative, and when described width change value is negative, namely representative will by near for the corona of corresponding tooth heart narrowed width far away.

This nipper difference calculation units 14 is for the central incisor part 40 of the central incisor part 30 and second area that obtain the first area of this occlusal surfaces of teeth image 23, and using the lip side that is positioned in the lip side 402 of the lip side 302 of the central incisor part 30 of this first area and the central incisor part 40 of this second area compared with front as a standard flat, and calculate respectively this first, the central incisor part 30 in two regions, the lip side 302 of 40, 402 with the vertical dimension of this standard flat using as correspond respectively to this mouth cavity orthodontic sufferer tooth first, two nipper difference value in two regions, respectively with represent.

What be worth special instruction is, have rotate crooked phenomenon when described central incisor part 30,40 exists at least one toothed portion, first central incisor part crooked for this at least one rotation just should rotated back to (such as in the mode of Computer Simulation, central incisor part crooked for this at least one rotation just being rotated back to), then carry out described nipper difference value according to the lip side rotating back to positive central incisor part calculating.In addition, if there is central incisor the first area of this mouth cavity orthodontic sufferer, then the lip side 302 of central incisor part 30 is considered as the nipper difference value calculating this first area first first-selected; If the first area of this mouth cavity orthodontic sufferer does not have central incisor, but has lateral incisor, then the lip side 312 of lateral incisor part 31 is considered as the nipper difference value calculating this first area first first-selected; If the first area of this mouth cavity orthodontic sufferer does not have central incisor and lateral incisor, but has canine tooth, then the lip side 322 of canine tooth part 32 is considered as the nipper difference value calculating this first area first first-selected, and using the lip side 322 of the lip side 312 of lateral incisor part 31 or canine tooth part 32 as the nipper difference value calculating this first area first first-selected time, if the toothed portion of the first first-selection has rotate crooked phenomenon, first the toothed portion of the first first-selection just should be rotated back to, then carry out the nipper difference value of this first area according to the lip side of the toothed portion rotating back to the first positive first-selection calculating, the rest may be inferred in other regions.

Consult Fig. 1, Fig. 6 and Fig. 7, this large molar metrics calculation unit 15 for obtain this denture side teeth images 25 first area in one be arranged in the nearly heart face 551 that the nearly heart face 351 of the large molar part (i.e. first molar part 35) of forefront and the 4th region one are positioned at the large molar part (i.e. first molar part 55) of forefront, in the second area of this another denture side teeth images 26, one is arranged in the nearly heart face 651 that the nearly heart face 451 of the large molar part (i.e. first molar part 45) of forefront and the 3rd region one are positioned at the large molar part (i.e. first molar part 65) of forefront, and calculate this first, the first molar part 35 of four-range, the nearly heart face 351 of 55, vertical dimension 251 between 551 and this second, the first molar part 45 in three regions, the nearly heart face 451 of 65, vertical dimension 261 between 651 is using as the 3rd deviate, respectively with D ₁, D ₂represent.Time wherein before the first molar part 35 of this first area is positioned at the first molar part 55 of this four-range, the 3rd deviate D ₁for on the occasion of, time after the first molar part 35 of this first area is positioned at the first molar part 55 of this four-range, the 3rd deviate D ₁for negative value, time before the first molar part 45 of this second area is positioned at the first molar part 65 in the 3rd region, the 3rd deviate D ₂for on the occasion of, time after the first molar part 45 of this second area is positioned at the first molar part 65 in the 3rd region, the 3rd deviate D ₂for negative value.

This teeth number difference calculation units 16 is for obtaining first of this denture side teeth images 25, second of four regions and this another denture side teeth images 26, the correspondence in three regions be positioned at forefront large molar part (i.e. first molar part 35, 55, 45, 65) the multiple toothed portions before (namely, central incisor part 30, 50, 40, 60, lateral incisor part 31, 51, 41, 61, canine tooth part 32, 52, 42, 62, first premolar part 33, 53, 43, 63 and second premolar part 34, 54, 44, 64), and calculate the described toothed portion 30 of first area, 31, 32, 33, the total tooth number of 34 cuts toothed portion 50 described in four-range, 51, 52, 53, the difference of the total tooth number gained of 54 is using as a number difference value, with N ₁represent, and the total tooth number of the described toothed portion 40,41,42,43,44 of second area cuts the difference of the total tooth number gained of the described toothed portion 60,61,62,63,64 in the 3rd region using as a number difference value, with N ₂represent.

This displacement assessed value computing unit 17 for according to this first deviate E, respectively the first premolar part 33,43,63,53 in first, second, third and fourth region corresponding the nearly degree not lend oneself to worry and anxiety far away of corona (respectively with represent), described second deviate described tooth spatial content difference value described width changes summation described nipper difference value described 3rd deviate D ₁, D ₂, and described number difference value N ₁, N ₂, utilize following formula (1) to calculate should the displacement assessed value of first molar in first and second region of tooth of mouth cavity orthodontic sufferer, respectively with represent, and utilize following formula (2) to calculate should the displacement assessed value of first molar in third and fourth region of tooth of mouth cavity orthodontic sufferer, respectively with represent.

Be worth special instruction, this displacement assessed value computing unit 17 is for calculating the displacement assessed value being positioned at the large molar of forefront of the first area of this mouth cavity orthodontic sufferer that is, if there is first molar the first area of this mouth cavity orthodontic sufferer, then this displacement assessed value computing unit 17 is displacement assessed values of the first molar of first area for calculating this mouth cavity orthodontic sufferer if the first area of this mouth cavity orthodontic sufferer does not have first molar, but have second largest molar, then this displacement assessed value computing unit 17 is displacement assessed values of the second largest molar of first area for calculating this mouth cavity orthodontic sufferer if the first area of this mouth cavity orthodontic sufferer does not have first molar and second largest molar, but has third lolar tooth, then this displacement assessed value computing unit 17 is displacement assessed values of the third lolar tooth of first area for calculating this mouth cavity orthodontic sufferer in addition, if there is the first premolar the first area of this mouth cavity orthodontic sufferer, then near for the corona of the first premolar part 33 degree not lend oneself to worry and anxiety far away is considered as calculating first first-selected; If the first area of this mouth cavity orthodontic sufferer does not have the first premolar, but has second premolar, then near for the corona of second premolar part 34 degree not lend oneself to worry and anxiety far away is considered as calculating first first-selected, the rest may be inferred in other regions.

This displacement assessed value computing unit 17 also utilizes following formula (3) to calculate should two displacement assessed values of central incisor in first and second region of tooth of mouth cavity orthodontic sufferer, respectively with represent, wherein A represents the ratio that one of a displacement of the lip of this mouth cavity orthodontic sufferer and first and second region of this mouth cavity orthodontic sufferer is positioned at a displacement of the tooth of forefront, in this preferred embodiment, A value is 0.7, and utilize following formula (4) to calculate should two displacement assessed values of central incisor in third and fourth region of tooth of mouth cavity orthodontic sufferer, respectively with represent.

Be worth special instruction, this displacement assessed value computing unit 17 is for calculating the displacement assessed value being positioned at the tooth of forefront of the first area of this mouth cavity orthodontic sufferer that is, if there is central incisor the first area of this mouth cavity orthodontic sufferer, then this displacement assessed value computing unit 17 is displacement assessed values of the central incisor of first area for calculating this mouth cavity orthodontic sufferer if the first area of this mouth cavity orthodontic sufferer does not have central incisor, but has lateral incisor, then this displacement assessed value computing unit 17 is displacement assessed values of the lateral incisor of first area for calculating this mouth cavity orthodontic sufferer if the first area of this mouth cavity orthodontic sufferer does not have central incisor and lateral incisor, but has canine tooth, then this displacement assessed value computing unit 17 is displacement assessed values of the canine tooth of first area for calculating this mouth cavity orthodontic sufferer the rest may be inferred in other regions.

$M_{H_i}=\frac{E}{A}+P_{H_i}-L_{H_i}-S_{H_i}-B_{H_i}+C_{H_i},i=\mathrm{1,2}---\left(1\right)$

$M_{L_i}=M_{H_i}+D_i+P_{H_i}\×(N_i+1/2),i=\mathrm{1,2}---\left(2\right)$

$I_{H_i}=\frac{E}{A}+C_{H_i},i=\mathrm{1,2}---\left(3\right)$

$I_{L_i}=-(P_{L_i}-M_{L_i}-L_{L_i}-S_{L_i}-B_{L_i}),i=\mathrm{1,2}---\left(4\right)$

Wherein when the described region of the tooth of this mouth cavity orthodontic sufferer first molar corresponding to displacement assessed value for just, namely representing corresponding first molar must move forward; When the described region of the tooth of this mouth cavity orthodontic sufferer first molar corresponding to displacement assessed value be negative, the first molar namely representing this correspondence must move backward, when the described region of the tooth of this mouth cavity orthodontic sufferer central incisor corresponding to displacement assessed value for just, namely representing corresponding central incisor must move forward; When the described region of the tooth of this mouth cavity orthodontic sufferer central incisor corresponding to displacement assessed value be negative, namely representing corresponding central incisor must move backward.

This mouth cavity orthodontic instruction generation unit 18 for the tooth according to this mouth cavity orthodontic sufferer first molar corresponding to displacement assessed value produce corresponding mouth cavity orthodontic instruction respectively.

Consult Fig. 1 ~ Fig. 7, this user interface section 19 is for presenting described image 21, 22, 23, 24, 25, 26 and corresponding to each region mouth cavity orthodontic instruction, and for an evaluator to described image 21, 22, 23, 24, 25, 26 carry out this chin characteristic point 211, lip feature point 212, nose characteristic point 213, facial midline 221, the central incisor part 30 that described region is corresponding, 40, 50, 60, lateral incisor part 31, 41, 51, 61, canine tooth part 32, 42, 52, 62, first premolar part 33, 43, 53, 63, second premolar part 34, 44, 54, 64, first molar part 35, 45, 55, 65 and dental arch scope carry out correspondence and click, and carry out the input of the described width change value in each region.It is worth mentioning that, in this preferred embodiment, obtaining of this chin characteristic point 211, lip feature point 212, nose characteristic point 213, facial midline 221 etc. utilizes this user interface section 19 to carry out correspondence by this evaluator click and obtain, but in other embodiments of the invention, obtaining of this chin characteristic point 211, lip feature point 212, nose characteristic point 213, facial midline 221 etc. also obtains by existing image identification mode, so not as limit.

In sum, calculate this first deviate E by this lip deviate computing unit 10, this medium line error value computing unit 11 calculates described second deviate this spatial content difference calculation units 12 calculates described tooth spatial content difference value this width changes computing unit 13 and calculates described width change summation this nipper difference calculation units 14 calculates described nipper difference value this large molar metrics calculation unit 15 calculates described 3rd deviate D ₁, D ₂, this teeth number difference calculation units 16 calculates described number difference value N ₁, N ₂and this displacement assessed value computing unit 17 calculates the displacement assessed value corresponding to first molar of this mouth cavity orthodontic sufferer and the displacement assessed value corresponding to the central incisor of this mouth cavity orthodontic sufferer mouth cavity orthodontic assessment is carried out with this evaluator auxiliary, the planning process of Orthodontic Treatment strategy can be made to become objective science data analysis from the subjective judgment of doctor, and then promote this mouth cavity orthodontic sufferer in the smoothness of mouth cavity orthodontic process and this evaluator in the correctness of evaluation process, so really object of the present invention can be reached.

As described above, be only preferred embodiment of the present invention, and when not limiting scope of the invention process with this, namely all simple equivalences done according to claims of the present invention and description change and modify, and all still belong to scope of the present invention.

Claims (18)

1. a mouth cavity orthodontic evaluating system, be applicable to the positive face image by a mouth cavity orthodontic sufferer, side face image and an occlusal surfaces of teeth image, mouth cavity orthodontic assessment is carried out to this mouth cavity orthodontic sufferer, wherein distinguish axis and one second by definition one first and distinguish axis, so that the tooth of this mouth cavity orthodontic sufferer is divided into a first area, one second area adjacent with this first area, one the 4th region be engaged mutually with this first area and the 3rd region be engaged mutually with this second area, wherein when this mouth cavity orthodontic sufferer is without agomphosis, each region all has a central incisor, one lateral incisor, one canine tooth, one first premolar, one is positioned at this first premolar second premolar below, one first molar, one is positioned at this first molar second largest molar and is below positioned at this second largest molar third lolar tooth below, it is characterized in that: this mouth cavity orthodontic evaluating system comprises:

One lip deviate computing unit, the line attractive in appearance and for obtaining this side face image is positioned at the lip feature point of the front end of a lip portion, and according to this lip feature point and this line computation one first deviate attractive in appearance;

One medium line error value computing unit, for the nearly heart face of one of them of a central incisor part of the facial midline and a first area that obtain this positive face image, side front tooth part and a canine tooth part, and the vertical dimension calculating the nearly heart face of one of them of the central incisor part of this facial midline and this first area, lateral incisor part and canine tooth part is using one second deviate as this first area;

One spatial content difference calculation units, for obtaining a dental arch scope of a first area of this occlusal surfaces of teeth image and being arranged in multiple toothed portions of this dental arch scope, and the summation of the nearly degree not lend oneself to worry and anxiety far away of corona corresponding to the described toothed portion calculating this first area is using a dental arch arc length of the dental arch scope as the width summation of this first area, this first area, and using the width summation of this first area and the difference of the dental arch arc length tooth spatial content difference value as this first area; And

One displacement assessed value computing unit, for according to the second deviate of this first deviate, this first area and the tooth spatial content difference value of this first area, calculate a displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth.

2. the mouth cavity orthodontic evaluating system as described in claim 1, it is characterized in that: the dental arch scope of this first area is between the first area of this occlusal surfaces of teeth image and a dental arch center line of a second area and between the nearly heart face of the large molar part of forefront, and this displacement assessed value is one of the first area of this mouth cavity orthodontic sufferer is positioned at the displacement assessed value of the large molar of forefront.

3. the mouth cavity orthodontic evaluating system as described in claim 1, it is characterized in that: this displacement assessed value computing unit also for according to one first premolar part of this first deviate, this first area or the nearly degree not lend oneself to worry and anxiety far away of the corona of a second premolar part, the second deviate of this first area and the tooth spatial content difference value of this first area, calculates the displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth.

4. the mouth cavity orthodontic evaluating system as described in claim 1, it is characterized in that: this lip deviate computing unit is for obtaining a nose part of this side face image, this lip portion and a chin portion, and according to this nose part, the front end of this lip portion and the front end of this chin portion, obtain a nose characteristic point, this lip feature point and cling to characteristic point once, and then obtain this line attractive in appearance by this nose characteristic point and chin characteristic point, then according to this lip feature point and this first deviate of this line computation attractive in appearance.

5. the mouth cavity orthodontic evaluating system as described in claim 1, it is characterized in that: this mouth cavity orthodontic evaluating system also comprises a user interface section, for corresponding respectively to the central incisor of the first area of this mouth cavity orthodontic sufferer for evaluator's input, lateral incisor, canine tooth, first premolar, second premolar, first molar, one central incisor width change value of second largest molar and third lolar tooth, one lateral incisor width change value, one canine tooth width change value, one first premolar width change value, one second premolar width change value, one first molar width change value, one second largest molar width change value and a third lolar tooth width change value.

6. the mouth cavity orthodontic evaluating system as described in claim 5, it is characterized in that: this mouth cavity orthodontic evaluating system also comprises a width and changes computing unit, for calculating this central incisor width change value, lateral incisor width change value, canine tooth width change value, first premolar width change value, second premolar width change value, first molar width change value, the summation of second largest molar width change value and third lolar tooth width change value changes summation using the width as this first area, wherein this displacement assessed value computing unit is also for according to this first deviate, one first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of the corona of a second premolar part, second deviate of this first area, the tooth spatial content difference value of this first area and width change summation, calculate the first molar of the first area of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

7. the mouth cavity orthodontic evaluating system as described in claim 6, it is characterized in that: this mouth cavity orthodontic evaluating system also comprises a nipper difference calculation units, for obtaining a central incisor part of the first area of this occlusal surfaces of teeth image, one central incisor part of one of them and a second area of side front tooth part and a canine tooth part, one of them of side front tooth part and a canine tooth part, and by the central incisor part of this first area, the lip side of one of them of lateral incisor part and canine tooth part and the central incisor part of this second area, one of them of the lip side of one of them of lateral incisor part and canine tooth part is as a standard flat, calculate the central incisor part of this first area, the lip side of one of them of lateral incisor part and canine tooth part and the vertical dimension of this standard flat are using the nipper difference value as this first area, wherein this displacement assessed value computing unit is also for according to this first deviate, first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of the corona of second premolar part, second deviate of this first area, the tooth spatial content difference value of this first area, width changes summation and nipper difference value, calculate the first molar of the first area of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

8. the mouth cavity orthodontic evaluating system as described in claim 7, is characterized in that: this displacement assessed value computing unit utilizes following formulae discovery to go out the displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth

$M_{H_1}=\frac{E}{A}+P_{H_1}-L_{H_1}-S_{H_1}-B_{H_1}+C_{H_1},$

Wherein E represents this first deviate, and A represents the ratio that one in a displacement of the lip of this mouth cavity orthodontic sufferer and the first area of this mouth cavity orthodontic sufferer and second area is positioned at the displacement of the tooth of forefront, represent the first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of corona of second premolar part, represent the second deviate of this first area, represent the tooth spatial content difference value of this first area, the width representing this first area changes summation, represent the nipper difference value of this first area.

9. the mouth cavity orthodontic evaluating system as described in claim 1, it is characterized in that: this spatial content difference calculation units is also for obtaining a dental arch scope of a second area of this occlusal surfaces of teeth image and being arranged in multiple toothed portions of this dental arch scope, and the summation of the nearly degree not lend oneself to worry and anxiety far away of corona corresponding to the described toothed portion calculating this second area is using the width summation as this second area, one dental arch arc length of the dental arch scope of this second area, and using the width summation of this second area and the difference of the dental arch arc length tooth spatial content difference value as this second area, this medium line error value computing unit is also for obtaining a central incisor part of a second area of this positive face image, the nearly heart face of one of them of side front tooth part and a canine tooth part, and calculate the central incisor part of this facial midline and this second area, the vertical dimension in the nearly heart face of one of them of lateral incisor part and canine tooth part is using one second deviate as this second area, this displacement assessed value computing unit is also for according to this first deviate, second deviate of this second area and the tooth spatial content difference value of this second area, calculate the first molar of the second area of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

10. the mouth cavity orthodontic evaluating system as described in claim 9, it is characterized in that: this mouth cavity orthodontic evaluating system is also applicable to the denture side teeth images by this mouth cavity orthodontic sufferer, mouth cavity orthodontic assessment is carried out to this mouth cavity orthodontic sufferer, this mouth cavity orthodontic evaluating system also comprises large molar metrics calculation unit and a teeth number difference calculation units, this large molar metrics calculation unit for obtain this denture side teeth images a first area in one be arranged in the nearly heart face that the nearly heart face of the large molar part of forefront and one the 4th region one are positioned at the large molar part of forefront, and the vertical dimension calculating the nearly heart face of the large molar part of this first area and the nearly heart face of this four-range large molar part is using as to should first area and this four-range 1 the 3rd deviate, this teeth number difference calculation units is used for obtaining respectively in this first area of this denture side teeth images and the 4th region the multiple toothed portions be positioned at before the large molar process of forefront divides, and the difference calculating the total tooth number of toothed portion described in the total tooth number of the described toothed portion of this first area and this four-range is using as to should first area and this four-range one number difference value, this displacement assessed value computing unit is also for the first molar according to this first area, the displacement assessed value of one of them of second largest molar and third lolar tooth, to should first area and this four-range the 3rd deviate, one first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of the corona of a second premolar part and to should first area and this four-range number difference value, calculate the first molar of four-range of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

11. mouth cavity orthodontic evaluating systems as described in claim 10, is characterized in that: this displacement assessed value computing unit utilizes following formulae discovery to go out the displacement assessed value of one of them of the first molar of four-range of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth

$M_{L_1}=M_{H_1}+D_1+P_{H_1}\×(N_1+1/2),$

Wherein represent the displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth, D ₁represent should first area and this four-range the 3rd deviate, represent the first premolar part of this first area or the nearly degree not lend oneself to worry and anxiety far away of corona of second premolar part, N ₁represent should first area and this four-range number difference value.

12. mouth cavity orthodontic evaluating systems as described in claim 10, it is characterized in that: this mouth cavity orthodontic evaluating system is also applicable to another denture side teeth images by this mouth cavity orthodontic sufferer, mouth cavity orthodontic assessment is carried out to this mouth cavity orthodontic sufferer, this large molar metrics calculation unit also for obtain this another denture side teeth images a second area in one be arranged in the nearly heart face that the nearly heart face of the large molar part of forefront and one the 3rd region one are positioned at the large molar part of forefront, and the vertical dimension calculating the nearly heart face of the nearly heart face of the large molar part of this second area and the large molar part in the 3rd region is using as to should one the 3rd deviate in second area and the 3rd region, this teeth number difference calculation units is also for obtaining in this second area of this another denture side teeth images and the 3rd region the multiple toothed portions be positioned at before the large molar process of forefront divides respectively, and the difference calculating the total tooth number of the total tooth number of the described toothed portion of this second area and the described toothed portion in the 3rd region is using as to should the number difference value in second area and the 3rd region, this displacement assessed value computing unit is also for the first molar according to this second area, the displacement assessed value of one of them of second largest molar and third lolar tooth, to should the 3rd deviate in second area and the 3rd region, one first premolar part of this second area or the nearly degree not lend oneself to worry and anxiety far away of the corona of a second premolar part and to should the number difference value in second area and the 3rd region, calculate the first molar in the 3rd region of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth.

13. mouth cavity orthodontic evaluating systems as described in claim 10, it is characterized in that: this mouth cavity orthodontic evaluating system is also applicable to another occlusal surfaces of teeth image by this mouth cavity orthodontic sufferer, mouth cavity orthodontic assessment is carried out to this mouth cavity orthodontic sufferer, this medium line error value computing unit is also for obtaining this facial midline and a four-range one central incisor part of this positive face image, the nearly heart face of one of them of side front tooth part and a canine tooth part, and calculate this facial midline and this four-range central incisor part, the vertical dimension in the nearly heart face of one of them of lateral incisor part and canine tooth part is using as this four-range one second deviate, this spatial content difference calculation units is also for obtaining a four-range one dental arch scope of this another occlusal surfaces of teeth image and being arranged in multiple toothed portions of this dental arch scope, and the summation calculating the nearly degree not lend oneself to worry and anxiety far away of corona that described in this four-range dental arch scope, toothed portion is corresponding is using as this four-range width summation, one dental arch arc length of this four-range dental arch scope, and using the difference of this four-range width summation and dental arch arc length as this four-range one tooth spatial content difference value, this displacement assessed value computing unit is also for according to this four-range second deviate, the first molar of four-range of this four-range tooth spatial content difference value and this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth, calculate the four-range central incisor of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of lateral incisor and canine tooth.

14. mouth cavity orthodontic evaluating systems as described in claim 13, it is characterized in that: this displacement assessed value computing unit is also for according to this four-range second deviate, the nearly degree not lend oneself to worry and anxiety far away of corona of this four-range one first premolar part or a second premolar part, the first molar of four-range of this four-range tooth spatial content difference value and this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth, calculate the four-range central incisor of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of lateral incisor and canine tooth.

15. mouth cavity orthodontic evaluating systems as described in claim 13, it is characterized in that: this mouth cavity orthodontic evaluating system also comprises a user interface section and a width changes computing unit, this user interface section is used for the four-range central incisor corresponding respectively to this mouth cavity orthodontic sufferer for evaluator's input, lateral incisor, canine tooth, first premolar, second premolar, first molar, one central incisor width change value of second largest molar and third lolar tooth, one lateral incisor width change value, one canine tooth width change value, one first premolar width change value, one second premolar width change value, one first molar width change value, one second largest molar width change value and a third lolar tooth width change value, this width changes computing unit for calculating this central incisor width change value, lateral incisor width change value, canine tooth width change value, first premolar width change value, second premolar width change value, first molar width change value, the summation of second largest molar width change value and third lolar tooth width change value is to change summation as this four-range one width, and this displacement assessed value computing unit is also for according to this four-range second deviate, this four-range tooth spatial content difference value, this four-range width changes the first molar of four-range of summation and this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth, calculates the four-range central incisor of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of lateral incisor and canine tooth.

16. mouth cavity orthodontic evaluating systems as described in claim 15, it is characterized in that: this displacement assessed value computing unit is also for according to this four-range second deviate, the nearly degree not lend oneself to worry and anxiety far away of corona of this four-range one first premolar part or a second premolar part, this four-range tooth spatial content difference value, this four-range width changes the first molar of four-range of summation and this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of second largest molar and third lolar tooth, calculate the four-range central incisor of this mouth cavity orthodontic sufferer, the displacement assessed value of one of them of lateral incisor and canine tooth.

17. mouth cavity orthodontic evaluating systems as described in claim 16, is characterized in that: this displacement assessed value computing unit utilizes following formulae discovery to go out the displacement assessed value of one of them of the four-range central incisor of this mouth cavity orthodontic sufferer, lateral incisor and canine tooth

$I_{L_1}=-(P_{L_1}-M_{L_1}-L_{L_1}-S_{L_1}-B_{L_1}),$

Wherein represent the nearly degree not lend oneself to worry and anxiety far away of corona of this four-range first premolar part or second premolar part, represent the displacement assessed value of one of them of the first molar of four-range of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth, represent this four-range second deviate, represent this four-range tooth spatial content difference value, represent this four-range width and change summation.

18. mouth cavity orthodontic evaluating systems as described in claim 1, it is characterized in that: this mouth cavity orthodontic evaluating system also comprises a user interface section and mouth cavity orthodontic instruction generation unit, this mouth cavity orthodontic instruction generation unit is used for producing a mouth cavity orthodontic instruction according to the displacement assessed value of one of them of the first molar of the first area of this mouth cavity orthodontic sufferer, second largest molar and third lolar tooth, and this user interface section is used for presenting the instruction of this mouth cavity orthodontic.