CN103800086A - Manufacturing method for individualized lip and tongue side orthodontic appliance - Google Patents
Manufacturing method for individualized lip and tongue side orthodontic appliance Download PDFInfo
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- CN103800086A CN103800086A CN201410072854.0A CN201410072854A CN103800086A CN 103800086 A CN103800086 A CN 103800086A CN 201410072854 A CN201410072854 A CN 201410072854A CN 103800086 A CN103800086 A CN 103800086A
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Abstract
The invention provides a manufacturing method for an individualized lip and tongue side orthodontic appliance. According to the manufacturing method, the individualized lip and tongue side orthodontic appliance is manufactured according to a lip and tongue side shape of teeth of a patient; a manufactured bracket is divided into two parts; one part is a bracket body of the bracket; the other part of the bracket is an individualized bracket bottom plate of the bracket. The bracket body of the bracket in the orthodontic appliance contains three-dimensional data (whole tooth axis inclined degree, whole tooth torque and whole tooth convexity) of countryman normal whole teeth (dental crowns and tooth roots) reference values. Meanwhile, the designed bracket bottom plate is completely fitted with a lip and tongue side face of the teeth and the bonding strength of the bottom plate and the lip and tongue side face is enhanced. According to the manufacturing method, the whole teeth can be moved to one accurate position to realize the controllable quantitative movement of the whole position of the teeth; the tooth roots are placed on an ideal position; the requirements of special crowd are met and the reoccurrence after the correction is reduced; the occurrence rate of complications including bone exposure, bone fracture and the like is avoided, and the balance and the stability of the orthodontic effect is realized.
Description
Technical field
The present invention relates to a kind of manufacture method of personalized words orthodontic appliance.
Background technology
Along with correction patient is more and more higher to the aesthetic property requirement of appliance, invisalign is paid close attention to by orthodontist more and more.There is the technology of rescuing of several stealths for this reason, as ceramic bracket appliance, Invisalign appliance, tongue side appliance etc., but can accomplish that the real stealthy appliance that can treat again various patho-occlusions only has tongue side appliance.In the recent decade, the advocate that tongue side is rescued technology by a large amount of clinical practices and explore made tongue side rescue technology become a kind of ripe, fixedly rescue technology efficiently, the while is also a hot technology in mouth cavity orthodontic clinical field.But, tongue side appliance bonding accurately, the accuracy of manufacture of bending of arch edgewise precision and words side appliance itself all will directly affect the effect of rescuing.
Eighties of last century seventies, the tongue side appliance of the invention such as Fujita and Kurz: particular design bracket bonding is carried out to orthodontic treatment in tooth tongue side, in order to make up the huge anatomical variation of tooth body lingual surface, the bonding agent that tongue side utilization is thicker is filled up the gap between facing and bracket, thereby reach the linearisation of lingual bracket groove, the thickness that this has just increased at the bottom of bracket greatly, has had a strong impact on patient's comfortableness.Although once fashionable for a time in the eighties, due to the operation of its complexity, be difficult to accurately to control the problems such as Tooth Movement and abandoned by most of clinician very soon.Calendar year 2001 Germany Wiechmann has carried out simulation row's tooth and personalized bracket design on digitized corona model, realize individuation correcting, reduced bracket thickness, improved patient's comfort level, obtain clinically correction colleague's approval, but this system is not considered the information of root of the tooth position.
The end of the nineties in last century, conical beam CT (cone beam computed tomography, CBCT) appearance and Mozzo etc. is used for field, oral cavity by CBCT machine first, overcome the limitation of two-dimentional plain film and the large radiation amount of CT, the shortcoming of high price, really started the condition that oral cavity doctor has entered the three-dimensional epoch from the two dimension epoch.In recent years, CBCT is also increasingly extensive in the application in correction field, as the important means of correction auxiliary diagnosis, conical beam CT has improved the accuracy of mouth cavity orthodontic diagnosis and the correctness of solution formulation greatly, is especially commonly used on triple assessment in growth, growth and before and after correcting.But, at present about the correlational study of the axial rake of overall tooth and the measurement of torque is less, but also do not carry out the foundation of overall tooth three-dimensional spatial information reference value.
Zhou Jing has set up the three-dimensional dentognathic model reconstructing system that comprises root of the tooth in 2009, root of the tooth and jawbone are received in people's computer system and arranged tooth to carry out orthodontic appliance design, but the manual method of superposition complicated operation adopting, can not avoid the impact of anthropic factor on overlapping accuracy.
Ye Niansong, Lai Wenli are in patent CN 102113916 B(method of making personalized bracket) in, although used CBCT to take the threedimensional model that has obtained patient's denture, alveolar bone and jawbone, but overall tooth complete including corona and root of the tooth is not analyzed and measured, remain and only rely on the analysis to measure of the corona part to tooth to be used as shaft rake, gradient and the hat convexity of tooth.The angle that defined axial rake forms for corona major axis and bite plane vertical line; Defined gradient refers to the tangent line of corona labial surface mid point and the angle of bite plane vertical line in the nearly distal surface of tooth; Defined long axis of tooth is the line of cusp to the tip of a root, because backteeth is multirooted teeth, non-root of the tooth geometric center and the defined long axis of tooth of cusp line, can mislead rescuing of tooth, tends to cause the unfavorable rotation of rescuing rear tooth.In addition, also ignored the position relationship of root of the tooth in alveolar bone, the bracket of making on this basis, is difficult to avoid the generation of the complication such as fenestration, bone cracking, is difficult to guarantee the balance of orthodontic treatment effect and stablize.
Tang Min, Guo Hongming, white jade are emerging, Li Song is in " three-dimensional integrate the application of dentognathic model in the computer-aided design of individual tongue-side bracket " delivered for 2012, the jaw patient's that grinds one's teeth head is carried out to conical beam CT scanning, and the laser scanning of denture plaster model, to obtain two kinds of threedimensional models, adopt the method for software registration by overlapping two kinds of digital models, excision conical beam CT teeth model crown moieties, obtains the three-dimensional dentognathic model of integrating.Then, three-dimensional is integrated to dentognathic model and carry out digitized row tooth, on row's dental cast, carry out the computer-aided design of individual tongue-side bracket.Now, the three-dimensional root of the tooth of integrating the conical beam CT in dentognathic model, only for observing in row's tooth process, has or not root of the tooth to expose to alveolar bone and the obvious uneven situation of root of the tooth, but does not completely adjust and calibrate according to the actual long axis of tooth of overall tooth.
Real Customized lingual appliance, should be the accurate measurement based on whole tooth body, rational virtual row's tooth, not only will consider corona data, also will consider the key factors such as root data, bite plane, cranium jaw relation and functional movement.At present, Chinese scholars was carried out research to the three-dimensional position of tooth, attempted torque and gradient according to classical straight arch wire theoretic discussion tooth.The application ternary determinators (goldstandard of angular surveying) such as Elslande and conical beam CT (CBCT) research are thought with traditional whole scenery piece ratio, scan the rear whole scenery piece of rebuilding more approach its true gradient for the measurement result of crown angulations degree with CBCT.Song etc. think that the rear whole scenery piece of rebuilding of CBCT scanning can be used as the useful tool of measuring crown angulations degree.But result of study all fail to realize Andrews definition about tooth torque and gradient measurement.
Summary of the invention
Object of the present invention, is the manufacture method that a kind of personalized words orthodontic appliance will be provided, and according to the words side form of patient's tooth, makes personalized words orthodontic appliance, and the bracket of producing is divided into two parts, and a part is the supporter groove of bracket; Another part is the personalized bracket base plate of bracket.In appliance, on the supporter groove of bracket, contain the three-dimensional data (overall tooth shaft rake, overall tooth torque and overall tooth convexity) of Normal Chinese entirety tooth (corona, root of the tooth) reference value.Meanwhile, fit completely in the words side of the bracket base of design and tooth, strengthens the adhesion strength of base plate and tooth words side.
The present invention is achieved in that the manufacture method of described a kind of personalized words orthodontic appliance, and step comprises:
1) 3-dimensional image that utilizes conical beam CT 3-dimensional image technology to obtain including patient's tooth, denture, alveolar bone and cranio-maxillofacial bone structure is learned information;
2) in conjunction with the width of alveolar bone, length and height situation, utilize Dolphin Imaging software, close the three-dimensional data reference value of overall tooth according to Normal Chinese tooth, every overall tooth of the three-dimensional denture that step 1) is obtained is arranged tooth test, thereby obtains being applicable to patient's desirable normal dentition form; Comprising:
A. actual tooth long axile: the straight line that tooth corona geometric center point becomes with the line of root of the tooth geometric center point, and 2 permissions that define actual tooth long axile are moved in this line or on the extended line of this line;
B. overall tooth axial rake: in every tooth near, far away on direction plane, above or the center line of two central incisors of mandibular dentition be reference, be to being in far away near, by the direction after forward direction by the direction before backward, the angle α that the projection of actual long axis of tooth on the midplane near far away of definition tooth and bite plane vertical line form; Actual tooth long axile butt during to medium dip far away axial rake be on the occasion of, during to mesial inclination, axial rake is negative value;
C. overall tooth gradient, be overall tooth torque: at the lip cheek of every tooth---on tongue palate direction plane, actual long axis of tooth is at the lip cheek of definition tooth---the angle β that projection on tongue palatal plane becomes with bite plane vertical line, reflecting the lip cheek of overall tooth---tongue palate is to gradient, and different dental has different overall tooth gradients;
D. overall tooth convexity: in dental arch two central incisors near in the algebraic curve of the salient point of abutment points and a side canine tooth, the second premolars, second molar corona lip side, through mirror image, projection forms symmetrical offside curve, the complete dental curve of the common composition of curve that both sides are connected, the geometric center point of tooth corona is to the vertical dimension γ of this curve;
1. determine every overall tooth axial rake: near at every tooth, far away on direction plane, above or the center line of two central incisors of mandibular dentition be reference, be to being in far away near, by the direction after forward direction by the direction before backward, the angle α ` that the projection of actual long axis of tooth on the nearly far away midplane of definition tooth and bite plane vertical line form, according to Normal Chinese entirety tooth shaft rake α reference value, the α ` measuring is adjusted to straightening of teeth;
2. determine every overall tooth gradient, be overall tooth torque: at every tooth lip cheek---on tongue palate direction plane, actual long axis of tooth is at the lip cheek of definition tooth---the angle β ` that projection on tongue palatal plane becomes with bite plane vertical line, according to Normal Chinese entirety tooth gradient β reference value, to the β measuring
'adjust straightening of teeth;
3. close face direction from tooth, close overall tooth convexity according to Normal Chinese tooth, be in dental arch two central incisors near in the algebraic curve of the salient point of abutment points and a side canine tooth, the second premolars, second molar corona lip side, through mirror image, projection forms symmetrical offside curve, the complete dental curve of the common composition of curve that both sides are connected, the geometric center point of tooth corona is to the vertical dimension γ ` of this curve, according to Normal Chinese rationally think arc in every overall tooth convexity γ, the convexity γ ` of the actual each tooth recording is adjusted to straightening of teeth;
4. according to the width of patient's alveolar bone, length and height situation, determine width, length and the height of the desirable dental arch of patient, choose suitable Standard arch wire figure with this, width, length and the height of alveolar basal bone are taken on the 3-dimensional image model obtaining and are measured at CBCT by Dolphin Imaging software, the Standard arch wire figure choosing is current three class standard dental arch forms clinically, i.e. point circle, oval, square circular;
5. according to six standards of bioocclusion, after the test of row's tooth, patient's desirable dental arch form and occluding relation are calibrated, set up canine tooth, the indifference relation of grinding one's teeth in sleep and the front orthodont tooth that covers close covering relation;
Through above step, determine the desirable dental arch form that obtains patient, make orthodontic therapy Method and Process more scientific and reasonable, the root of the tooth of tooth is arranged in alveolar bone, and can realize balance and stable therapeutic goal, effectively avoid the generation of fenestration, bone problem of Cracking;
3) according to the Normal Chinese entirety tooth recording, be corona, root of the tooth three-dimensional data, comprise the normal reference value of overall tooth shaft rake, overall tooth torque and overall tooth convexity, the three-dimensional data of precast monolithic tooth shaft rake, overall tooth angle of torsion and overall tooth convexity on the words side metal support cell body of corresponding tooth;
4) structure of personalized words side bracket base and individuation arch wire threedimensional model; Utilize computer-aided design and computer aided manufacturing CAD/CAM technology, in Pro/Engineer software, draw personalized bracket base plate and individuation arch wire, and the view data of bracket base and supporter groove is combined, supporter groove and bracket base are become one, the adaptive that has effectively guaranteed bracket and each tooth reaches maximum, and is conducive to giving full expression to of groove three-dimensional data;
5), according to the threedimensional model of individuation arch wire, bend individuation arch wire;
6) utilize powder metallurgy---discharge plasma sintering system completes the making of overall bracket, and personalized bracket is carried out to suitable polishing through producing powder, compressing, sintering, last handling process;
7) the personalized lip lingual bracket material object of making is placed on original denture plaster model one by one, adopts twice press mold method of forming to make personalized bonding pallet;
8) the personalized lip lingual bracket completing is delivered to clinical together with personalization bonding pallet, by the orthodontist operation that bonds, carried out the orthodontic treatment of personalized words side.
Step 2 of the present invention) in, the 3-dimensional image information of overall tooth in the three-dimensional dental arch model of DICOM form is imported in Dolphin Imaging, measure shaft rake α `, gradient β ` and the convexity γ ` of every overall tooth before patient treatment, and the α, the β that close according to Normal Chinese tooth, γ reference value are adjusted.
Step 5 of the present invention) in, bending of individuation arch wire is that the robot that bends by being connected on computer completes, robot comprises a master arm and a slave arm, slave arm grips and locates arch wire, master arm bends one by one according to the arch wire turning point of drawing in Pro/Engineer, completes the making of individuation arch wire; Also can select the artificial manual method bending, according to the design of individuation arch wire bend a little and bend angle and direction, make apparatus by hand bend molding to arch wire.
± 10%), overall tooth convexity (unit: millimeter error: ± 10%) Normal Chinese tooth closes overall tooth shaft rake, overall tooth gradient (unit: degree error:
Above-mentioned compatriots entirety tooth convexity data with reference to the salient point of corona labial surface axle ridge to the basis of tooth abutment points vertical dimension, as the reference value of making individual tongue-side bracket base, can recover good arc radian.In addition, in the time making personalized labial bracket, need to change accordingly above-mentioned reference value and denture algebraic curve.
The invention has the beneficial effects as follows that the personalized words orthodontic appliance of making by this method can, overall Tooth Movement to more accurate position, be realized the quantitative movement of high controllability of tooth integral position, and root of the tooth is placed in to ideal position.Not only meet the needs of special population, and reduced the recurrence after correcting, avoided the incidence rate of the complication such as fenestration, bone cracking, realized the balance of correction effect and stablize.
Accompanying drawing explanation
Fig. 1 is the personalized words orthodontic appliance of one of the present invention manufacturing process schematic diagram.
Fig. 2 is that bracket of the present invention is bonded at the side schematic view on overall tooth.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be described, and as shown in Figure 1, 2, the step of words side appliance manufacture method of the present invention is as follows:
1) by 3-dimensional image technology obtain patient tooth, denture, alveolar bone and cranio-maxillofacial bone 3-dimensional image learn information: utilize conical beam CT (NewTom VGi, QR company of Italy), parameter (6.2mA, 90kvp, pixel 0.03mm ~ 0.4mm, 40 ~ 135 uSv) is thrown according to jaw face, obtain the faultage image of jawbone and denture, choice for use spatial resolution is not less than the voxel of 0.5mm, preserves with DICOM form.Recycling Dolphin Imaging (the II class medical apparatus and instruments of U.S. FDA authentication) software carries out three-dimensional reconstruction to every tooth from faultage image, and the three dimensional file of every tooth is preserved with STL form.
2) simulation row tooth, arrange out the desirable denture form that is applicable to patient: use Dolphin Imaging (the II class medical apparatus and instruments of U.S. FDA authentication), according to six standards of Andrews bioocclusion, the arrangement of every overall tooth of patient (containing root of the tooth) is calibrated, pay special attention to avoid rescuing the generation of rear fenestration, bone problem of Cracking, the ideal that obtains applicable patient is arc.
1. determine every overall tooth axial rake: near at every tooth, far away on direction plane (above or the center line of two central incisors of mandibular dentition be reference, be to being in far away near, by the direction after forward direction by the direction before backward), the angle (α `) that the projection of actual long axis of tooth on the nearly far away midplane of definition tooth and bite plane vertical line form, according to Normal Chinese entirety tooth shaft rake (α) reference value, the α ` measuring is adjusted to straightening of teeth.
2. determine every overall tooth gradient (overall tooth torque): at every tooth lip cheek---on tongue palate direction plane, actual long axis of tooth is at the lip cheek of definition tooth---the angle (β `) that projection on tongue palatal plane becomes with bite plane vertical line, according to Normal Chinese entirety tooth gradient (β) reference value, the β ` measuring is adjusted to straightening of teeth.
3. close face direction from tooth, according to Normal Chinese tooth close overall tooth convexity (in dental arch two central incisors near in the algebraic curve of the salient point of abutment points and a side canine tooth, the second premolars, second molar corona lip side, through mirror image, projection forms symmetrical offside curve, the complete dental curve of the common composition of curve that both sides are connected, the geometric center point of tooth corona is to the vertical dimension γ ` of this curve, according to Normal Chinese rationally think arc in every overall tooth convexity γ, the convexity γ ` of the actual each tooth recording is adjusted to straightening of teeth;
4. according to the width of patient's alveolar bone, length and height situation, determine width, length and the height of the desirable dental arch of patient, choose suitable Standard arch wire figure with this, the width of alveolar basal bone, length and highly by Dolphin Imaging (the II class medical apparatus and instruments of U.S. FDA authentication), software can be at CBCT(NewTom VGi, QR company of Italy) take on the 3-dimensional image model obtaining and measure, the Standard arch wire figure choosing is general three class dental arch forms (point circle, oval, square circular) clinically at present.
5. according to six standards of bioocclusion, after virtual arrangement, the arc and occluding relation of patient's ideal is calibrated, and sets up canine tooth, the indifference relation of grinding one's teeth in sleep and cover normally tooth and close covering relation.
Through above step, the ideal that obtains applicable individual patients is arc, makes orthodontic therapy Method and Process more scientific and reasonable, and the root of the tooth of tooth is arranged in alveolar bone, reach treatment back balance and stable target, effectively avoided the generation of fenestration, bone problem of Cracking.
3) according to the normal reference value of compatriots entirety tooth (corona and the root of the tooth) three-dimensional data recording (overall tooth shaft rake, overall tooth torque and hat convexity), corresponding tooth words side metal support cell body on shaft rake and the angle of torsion of precast monolithic tooth three-dimensional data.
4) structure of personalized words side bracket base and individuation arch wire threedimensional model:
1. determine plane with the mid point of bilateral first molar clinical crown central point, the central incisor clinical crown line of centres in jaw.This plane is the objective plane of rescuing while end, thereby guarantee personalized bracket, after rescuing, all grooves place is at grade.
2. in Pro/Engineer software, utilize computer-aided design and computer aided manufacturing (computer aided design/computer aided manufacturing, CAD/CAM) technology, the digital image information of drawing personalized bracket base plate and individuation arch wire.
3. personalized bracket body is positioned on arch wire one by one, the groove of each supporter groove and arch wire are fitted like a glove.In CAD, by together with the fusing image data of bracket base and supporter groove, make bracket base become as a whole with supporter groove, effectively guaranteed that the adaptive of bracket and each tooth reaches maximum.
5), according to the threedimensional model of individuation arch wire, bend individuation arch wire.
Bending of individuation arch wire is that the robot that bends by being connected on computer completes, robot comprises a master arm and a slave arm, slave arm grips and locates arch wire, master arm bends one by one according to the arch wire turning point of drawing in Pro/Engineer, completes the making of individuation arch wire; Also can select the artificial manual method bending, according to the design of individuation arch wire bend a little and bend angle and direction, make apparatus by hand bend molding to arch wire.
6) utilize PM technique---discharge plasma sintering (Spark Plasma Sintering is called for short SPS) system completes the making of overall bracket, and personalized bracket is carried out to suitable polishing.
1. produce powder: comprise the mixing of the producing of powder, powder, for mouldability and the plasticity of improving powder add the plasticizers such as machine oil, rubber or paraffin conventionally.
2. compressing: powder, under 15-600MPa pressure, is pressed into required form.
3. sintering: in the high temperature furnace under certain protective condition or vacuum drying oven, carry out, in sintering process between powder particle by a series of physical and chemical processes such as diffusion, recrystallize, melting welding, chemical combination, dissolvings, become the metallurgic product with certain porosity.
4. post processing: high and have high hardness, the bracket of wearability for dimensional requirement precision, also to carry out sintering post processing, comprise pressure-sizing, roll extrusion, extruding, quenching, surface hardening, immersion oil and infiltration etc.
7) the personalized lip lingual bracket of making is placed on archetype one by one, adopts twice press mold method of forming to make personalized pallet.When realizing clinical bonding bracket accurately, fast and efficient, the personalized lip lingual bracket of making is placed on archetype one by one, twice method of forming made the personalized pallet of diaphragme type on the plaster model of laying bracket.
8) the individual tongue-side orthodontic bracket of above-mentioned making is delivered to clinically together with personalization bonding pallet, is indirectly bondd by orthodontist, carries out orthodontic treatment.
Technique scheme, preferentially for the manufacture of Customized lingual appliance, also can be used for the making of personalized lip side appliance.
The present invention is owing to having adopted above technical scheme, first use high-resolution CBCT imaging technique to obtain the tooth that comprises root of the tooth, denture, the 3-dimensional image of alveolar bone and cranio-maxillofacial bone is learned information, in computer, utilize powerful image processing software Dolphin Imaging (the II class medical apparatus and instruments of U.S. FDA authentication), the three-dimensional data of closing according to Normal Chinese tooth is set every overall tooth shaft rake, gradient and convexity are arranged tooth, row's tooth method in the present invention can be located orthodontic treatment backteeth location of root accurately, and can adjust subtly occluding relation and cover tooth and close, covering relation.After row's tooth completes, recycling computer-aided design and process technology (CAD/CAM) are for upper, mandibular dentition design individuation arch wire figure, for every tooth is made separately the high individuation words side bracket base of laminating degree, utilize PM technique---discharge plasma sintering (Spark Plasma Sintering, being called for short SPS) system completes the making of overall bracket, and personalized bracket is carried out to suitable polishing, SPS system homogeneous heating in manufacturing process, programming rate is fast, sintering temperature is low, sintering time is short, production efficiency is high, product fine microstructures is even, can keep raw-material naturalness, meet the requirement of biocompatibility.Finally, utilize personalized pallet realize clinically lip lingual bracket accurately, bonding quickly and easily.The base plate of every bracket has comprised first, second, third sequence bending, and the arch wire of rescuing of individuation coordinates groove to rescue the expression of three-dimensional data.The personalized words orthodontic appliance that uses the method to design and produce, can overall dental science move to a more accurate position, realize the quantitative movement of high controllability of tooth integral position, and root of the tooth is placed in to ideal position, the use needs of special population are not only met, and reduced the relapse rate after correcting, and avoid the incidence rate of the complication such as fenestration, bone cracking, realize the balance of correction effect and stablize.
At present, PM technique---discharge plasma sintering (Spark Plasma Sintering, be called for short SPS) be a kind of brand new technical of preparing functional material, it has the distinguishing features such as programming rate is fast, sintering time is short, organizational structure is controlled, energy-conserving and environment-protective, can be used to prepare metal material, ceramic material, composite, also can be used to prepare nano bulk material, amorphous block material, functionally gradient material (FGM) etc.The process advantage of SPS is fairly obvious: homogeneous heating, programming rate is fast, sintering temperature is low, sintering time is short, and production efficiency is high, and product fine microstructures is even, can keep raw-material naturalness, can obtain the material of high-compactness, can sintering functionally gradient material (FGM) and complex part, can meet the making needs of bracket completely.
Bioocclusion colony dens in dente without orthodontic treatment may exist some difference, but all meets six standards of bioocclusion, departs from wherein any one or several, can cause tooth to close relation abnormal.Six standards of bioocclusion are the nearest naturalness that tooth closes, and are static, the morphological criteria of bioocclusion, are also the targets of orthodontic treatment.
Treatment model case: the bracket of applying patent making of the present invention carries out personalized orthodontic treatment, close overall tooth shaft rake, overall tooth angle of torsion, overall tooth convexity according to Normal Chinese tooth and arrange tooth test, measure respectively the index of three data in treatment front and back, finally, all obtained favourable variation.
Overall tooth shaft rake, overall tooth angle of torsion, overall tooth convex measuring value before treatment
Overall tooth shaft rake, overall tooth angle of torsion, overall tooth convex measuring value after treatment
The above specific embodiment can make the invention of those skilled in the art's comprehend, but does not limit the present invention in any way.All do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the protection domain of patent of the present invention.
Claims (3)
1. a manufacture method for personalized words orthodontic appliance, is characterized in that, step comprises:
1) 3-dimensional image that utilizes conical beam CT 3-dimensional image technology to obtain including patient's tooth, denture, alveolar bone and cranio-maxillofacial bone structure is learned information;
2) in conjunction with the width of alveolar bone, length and height situation, utilize Dolphin Imaging software, close the three-dimensional data reference value of overall tooth according to Normal Chinese tooth, every overall tooth of the three-dimensional denture that step 1) is obtained is arranged tooth test, thereby obtains being applicable to patient's desirable normal dentition form; Comprising:
A. actual tooth long axile: the straight line that tooth corona geometric center point becomes with the line of root of the tooth geometric center point, and 2 permissions that define actual tooth long axile are moved in this line or on the extended line of this line;
B. overall tooth axial rake: in every tooth near, far away on direction plane, the center line of two central incisors of above or mandibular dentition is reference is to being in far near, by the direction after forward direction by the direction before backward; The angle α that the projection of actual long axis of tooth on the nearly far away midplane of definition tooth and bite plane vertical line form; Actual tooth long axile butt during to medium dip far away axial rake be on the occasion of, during to mesial inclination, axial rake is negative value;
C. overall tooth gradient, be overall tooth torque: at the lip cheek of every tooth---on tongue palate direction plane, actual long axis of tooth is at the lip cheek of definition tooth---the angle β that projection on tongue palatal plane becomes with bite plane vertical line, reflecting the lip cheek of overall tooth---tongue palate is to gradient, and different dental has different overall tooth gradients;
D. overall tooth convexity: in dental arch two central incisors near in the algebraic curve of the salient point of abutment points and a side canine tooth, the second premolars, second molar corona lip side, through mirror image, projection forms symmetrical offside curve, the complete dental curve of the common composition of curve that both sides are connected, the geometric center point of tooth corona is to the vertical dimension γ of this curve;
1. determine every overall tooth axial rake: near at every tooth, far away on direction plane, above or the center line of two central incisors of mandibular dentition be reference, be to being in far away near, by the direction after forward direction by the direction before backward, the angle α ` that the projection of actual long axis of tooth on the nearly far away midplane of definition tooth and bite plane vertical line form, according to Normal Chinese entirety tooth shaft rake α reference value, the α ` measuring is adjusted to straightening of teeth;
2. determine every overall tooth gradient, be overall tooth torque: at every tooth lip cheek---on tongue palate direction plane, actual long axis of tooth is at the lip cheek of definition tooth---the angle β ` that projection on tongue palatal plane becomes with bite plane vertical line, according to Normal Chinese entirety tooth gradient β reference value, to the β measuring
'adjust straightening of teeth;
3. close face direction from tooth, close overall tooth convexity according to Normal Chinese tooth, be in dental arch two central incisors near in the algebraic curve of the salient point of abutment points and a side canine tooth, the second premolars, second molar corona lip side, through mirror image, projection forms symmetrical offside curve, the complete dental curve of the common composition of curve that both sides are connected, the geometric center point of tooth corona is to the vertical dimension γ ` of this curve, according to Normal Chinese rationally think arc in every overall tooth convexity γ, the convexity γ ` of the actual each tooth recording is adjusted to straightening of teeth;
4. according to the width of patient's alveolar bone, length and height situation, determine width, length and the height of the desirable dental arch of patient, choose suitable Standard arch wire figure with this, width, length and the height of alveolar basal bone are taken on the 3-dimensional image model obtaining and are measured at CBCT by Dolphin Imaging software, the Standard arch wire figure choosing is current three class standard dental arch forms clinically, i.e. point circle, oval, square circular;
5. according to six standards of bioocclusion, after the test of row's tooth, patient's desirable dental arch form and occluding relation are calibrated, set up canine tooth, the indifference relation of grinding one's teeth in sleep and the front orthodont tooth that covers close covering relation;
3) according to the Normal Chinese entirety tooth recording, be corona, root of the tooth three-dimensional data, comprise the normal reference value of overall tooth shaft rake, overall tooth torque and overall tooth convexity, the three-dimensional data of precast monolithic tooth shaft rake, overall tooth angle of torsion and overall tooth convexity on the words side metal support cell body of corresponding tooth;
4) structure of personalized words side bracket base and individuation arch wire threedimensional model; Utilize computer-aided design and computer aided manufacturing CAD/CAM technology, in Pro/Engineer software, draw personalized bracket base plate and individuation arch wire, and the view data of bracket base and supporter groove is combined, supporter groove and bracket base are become one, the adaptive that has effectively guaranteed bracket and each tooth reaches maximum, and is conducive to giving full expression to of groove three-dimensional data;
5), according to the threedimensional model of individuation arch wire, bend individuation arch wire;
6) utilize powder metallurgy---discharge plasma sintering system completes the making of overall bracket, and personalized bracket is carried out to suitable polishing through producing powder, compressing, sintering, last handling process;
7) the personalized lip lingual bracket material object of making is placed on original denture plaster model one by one, adopts twice press mold method of forming to make personalized bonding pallet;
8) the personalized lip lingual bracket completing is delivered to clinical together with personalization bonding pallet, by the orthodontist operation that bonds, carried out the orthodontic treatment of personalized words side.
2. the manufacture method of a kind of personalized words orthodontic appliance according to claim 1, it is characterized in that: described step 2) in, the 3-dimensional image information of overall tooth in the three-dimensional dental arch model of DICOM form is imported in Dolphin Imaging, measure shaft rake α `, gradient β ` and the convexity γ ` of every overall tooth before patient treatment, and the α, the β that close according to Normal Chinese tooth, γ reference value are adjusted.
3. the manufacture method of a kind of personalized words orthodontic appliance according to claim 1, it is characterized in that: described step 5) in, bending of personalized arch wire is that the robot that bends by being connected on computer completes, robot comprises a master arm and a slave arm, slave arm grips and locates arch wire, master arm bends one by one according to the arch wire turning point of drawing in Pro/Engineer, completes the making of personalized arch wire; Also can select the artificial manual method bending, according to personalized arch wire design bend a little and bend angle and direction, make apparatus by hand bend molding to arch wire.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105708564A (en) * | 2016-02-02 | 2016-06-29 | 北京正齐口腔医疗技术有限公司 | Method and device for processing orthodontic bracket gutter |
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| CN114943058A (en) * | 2022-04-18 | 2022-08-26 | 哈尔滨理工大学 | Orthodontic arch wire error fluctuation degree evaluation method based on position error judgment |
| CN114948291A (en) * | 2022-06-21 | 2022-08-30 | 天津正丽科技有限公司 | Special appliance selection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070218418A1 (en) * | 2006-03-16 | 2007-09-20 | 3M Innovative Properties Company | Orthodontic prescription form, templates, and toolbar for digital orthodontics |
| JP2009247401A (en) * | 2008-04-01 | 2009-10-29 | Yasuhiro Saimiya | Orthodontic method using orthodontic tool |
| CN102113916A (en) * | 2011-01-18 | 2011-07-06 | 叶年嵩 | Method for making personalized bracket |
| US20120035901A1 (en) * | 2006-08-30 | 2012-02-09 | Align Technology, Inc. | Automated treatment staging for teeth |
| CN102456089A (en) * | 2010-10-21 | 2012-05-16 | 无锡时代天使医疗器械科技有限公司 | Method for manufacturing dental instrument for regulating position of tooth |
-
2014
- 2014-03-03 CN CN201410072854.0A patent/CN103800086B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070218418A1 (en) * | 2006-03-16 | 2007-09-20 | 3M Innovative Properties Company | Orthodontic prescription form, templates, and toolbar for digital orthodontics |
| US20120035901A1 (en) * | 2006-08-30 | 2012-02-09 | Align Technology, Inc. | Automated treatment staging for teeth |
| JP2009247401A (en) * | 2008-04-01 | 2009-10-29 | Yasuhiro Saimiya | Orthodontic method using orthodontic tool |
| CN102456089A (en) * | 2010-10-21 | 2012-05-16 | 无锡时代天使医疗器械科技有限公司 | Method for manufacturing dental instrument for regulating position of tooth |
| CN102113916A (en) * | 2011-01-18 | 2011-07-06 | 叶年嵩 | Method for making personalized bracket |
Non-Patent Citations (2)
| Title |
|---|
| 史建陆等: "骨性Ⅲ类不同垂直骨面型患者切牙牙槽骨面积的CBCT研究", 《口腔医学研究》 * |
| 娄华等: "改良排牙试验及其在正畸矫治中的应用", 《口腔医学》 * |
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