CN104083223B - Device for inducing reasonable arrangement of teeth of children and manufacturing method of device - Google Patents

Device for inducing reasonable arrangement of teeth of children and manufacturing method of device Download PDF

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Publication number
CN104083223B
CN104083223B CN201410358488.5A CN201410358488A CN104083223B CN 104083223 B CN104083223 B CN 104083223B CN 201410358488 A CN201410358488 A CN 201410358488A CN 104083223 B CN104083223 B CN 104083223B
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standard
jaw
tooth
teeth
under
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CN104083223A (en
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何炳蔚
姚军
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Abstract

The invention relates to a device for inducing reasonable arrangement of teeth of children and a manufacturing method of the device. Based on a three-dimensional model of a standard upper jaw and a standard lower jaw in a standard occlusal relation and a tooth socket in a dental arch track and form design, the device comprises upper and lower notches, side wall flanges at lip sides and tongue sides and breathing holes, wherein the shapes, the sizes and the spatial arrangement position of the upper and lower notches are designed according to standard tooth jaws; the upper and lower notches are different from teeth to be induced so that the notches generate a certain induction force for the teeth to be induced to induce the teeth to be reasonably arranged in the target direction; and the side wall flanges at the lip sides and the tongue sides are designed according to gums and mucosae of the standard upper jaw and the standard lower jaw in the standard occlusal relation, the oral and perioral soft tissue forms are adjusted so as to achieve the final effect of teeth induction. According to the dental arch line track of a patient, an appropriate tooth socket is selected, the manufacturing cost is reduced, the efficiency is improved, the financial burden is reduced for the patient and meanwhile the purpose of inducing reasonable arrangement of the teeth of the children is achieved.

Description

It is a kind of to induce the raisonne device of teenager teeth and its manufacture method
Technical field
The present invention relates to a kind of induce the raisonne device of teenager teeth and its manufacture method, orthodonticies are applied to.
Background technology
Medically will stick up before the chin of people, retraction or anisodont phenomenon are referred to as malocclusion.Malocclusion usually can Cause various focusing depths represented, atrophy, bleed, odontoseisiies, the early generation for the oral disease such as losing, affect oral health also cause face Deformity, affects beautiful.Meanwhile, malocclusion also has a strong impact on social activity and work, especially teenager and child, usually due to receiving Become to feel oneself inferior to the ridicule of classmate or junior partner, affect the mental health of child.Chinese stomatology can investigation show, I Malocclusion prevalence of the state child in milk teeth period is 51.84%, is 71.21% for the tooth phase, and the permanent teeth initial stage is 72.92%.
For the treatment of malocclusion, the method for orthodonticies is medically often taken to carry out.Orthodonticies are by correction Or the method such as surgical operation treatment malocclusion.Clinically common antidote mainly have removable appliance, fixed appliance, Function corrector and orthognathic surgery.Fixed appliance and invisible orthotic device wherein with metal bracket as representative is the most frequently used.
There are the following problems for existing appliance:
1st, when metal bracket appliance elastic metallic arch wire is induced, effect of the metal arch wire to tooth and tooth jaw is by one Individual little metal bracket is delivered on tooth and tooth sentence.Tinsel is that point is contacted or linear contact lay with the way of contact of bracket.Gu Dental aligners are determined due to needing to be fixed on facing, wear for a long time and can tooth body and periodontal tissue be caused to damage.And often The image of " iron teeth copper tooth " is often given people, is affected attractive in appearance and social.
2nd, invisible braces have personalization as existing new fixed appliance, the advantages of attractive in appearance, but stealthy correction Device is that the vacuum forming technology based on thermoplastic makes, and material hardness is big, wears difficulty, uncomfortable, and this Property complex manufacturing process, cycle are long, high cost.
It is that adult's tooth jaw has been shaped that teenager teeth is present significantly different from adult tooth, will not be sent out under naturalness It is raw to change, and child's tooth jaw still changes the phase in Rational Arrangement, even if in permanent dention, tooth is still unstable, therefore, for youngster Virgin tooth to induce based on its Rational Arrangement, rather than should be corrected.Existing appliance has been laid stress on tooth, skeleton, and Ignore in oral cavity and perioral soft tissue effect, in fact in mouth and perioral soft tissue phychology and function to just maintaining denture Often position has a great impact.
The content of the invention
It is an object of the invention to provide a kind of induce the raisonne device of teenager teeth and its manufacture method, it is intended to gram Above-mentioned existing dental jaw deformity corrector, braces and associated teeth abductive approach weak point is taken, and according to child Special circumstances residing for tooth, realize simple, convenient, low cost reach the raisonne target of teenager teeth.Base of the present invention The threedimensional model and dental arch track form of the standard upper jaw and standard lower jaw under standard occluding relation, using positive software design Go out the threedimensional model of soft magnetism power facing, and utilize CAE, CAM technology, under control of the computer, according to this threedimensional model, adopt Injection molding technology produces the raisonne device of induction teenager teeth.
Technical program of the present invention lies in:
It is a kind of to induce the raisonne device of teenager teeth, including based under dental arch track form and standard occluding relation The U-shaped facing for being engaged integral type up and down that the threedimensional model of the standard upper jaw and standard lower jaw is designed and produced, the facing is by silica gel Material makes, and the facing bottom is worn on lower jaw, and facing top is worn on the upper jaw, it is characterised in that:The facing by Lower notches and lip side, the sidewall flaps edge of tongue side and three spiracles compositions, groove and patient teeth's contact, lip side, tongue side Sidewall flaps edge and the gingiva and mucosal contact of patient.
Wherein, the groove of the facing includes inducing labial teeth to the raisonne first area of target direction, mill before induction Tooth is to the raisonne second area of target direction and the 3rd region in area of grinding one's teeth in sleep;Wherein, first area is according to standard tooth The smooth curved surface of the front tooth Profile Design of jaw, second area is the teeth groove of the premolarss tooth Profile Design according to standard tooth, the 3rd Region is square groove shape and terminal is opening.
The present invention is another to be technically characterized in that:
A kind of manufacture method for inducing the raisonne device of teenager teeth, it is characterised in that:Carry out according to the following steps:
(1)Selection standard dentognathic model, by 3 D laser scanning method obtain respectively the upper jaw of standard tooth jaw, lower jaw and Overall tooth jaw digital model under standard occluding relation;
(2)This digital detal cast is processed and is reconstructed the upper jaw, the three-dimensional of lower jaw under acquisition standard tooth jaw relation Model;
(3)The threedimensional model of the standard upper jaw and standard lower jaw under establishing criteria occluding relation, makees bid in a computer The dental arch curve of quasi- tooth jaw, and correct, it is final to obtain dental arch track form;
(4)The threedimensional model of the standard upper jaw and standard lower jaw under establishing criteria occluding relation and the dental arch track shape of acquisition State, it is using three-dimensional software, just reverse to combine, design the threedimensional model of the raisonne device of induction teenager teeth;
(5)According to the raisonne device threedimensional model of induction teenager teeth designed, induction youngster is designed and produces The mould of the raisonne device of virgin tooth, produces the raisonne device of induction teenager teeth using injection molding technology;
(6)According to using the concrete condition worn, use, then device is processed and is repaired.
Wherein, step(2)Threedimensional model builds and carries out as follows:
1) data processing and surface reconstruction:Entirety under the upper jaw respectively to standard tooth jaw, lower jaw and standard occluding relation Tooth jaw cloud data carries out overlapping point cloud integration, and noise removal is processed, and to ensure the quality of follow-up surface reconstruction, and carries out curved surface Reconstruct;
2) Modifying model:There is a small amount of tiny hole, sharp point, it is necessary to threedimensional model in the threedimensional model that reconstruct is obtained Filling-up hole, smooth, removal characteristic processing are carried out, to obtain overall three dimension of tooth jaw under the complete upper jaw, lower jaw and standard coordinate Word model;
3) Registration of Measuring Data:On the basis of the overall dentognathic model under standard occluding relation, first manual engagement, make the upper jaw and under Jaw threedimensional model is substantially registering with the overall dentognathic model under standard occluding relation respectively, reuses global registration, finally obtains The threedimensional model of the standard upper jaw and standard lower jaw under standard occluding relation.
It is an advantage of the current invention that:
1)Silica gel soft material used has high resiliency, and similar, effect is rescued in stable performance during rescuing to arch wire Substantially, various malocclusion situations can be adapted to, it is comfortable wearing, simple, and high temperature or boiling water sterilizing can be born, Ensure health;
2)Induction motive force is produced by elastic deformation, induces the way of contact of tooth Rational Arrangement, power to contact for face;
3)Designed functional structure is the reserved growing space of deciduous teeth, and can also guide deciduous teeth reasonable in use Arrangement, prevents deciduous teeth Rational Arrangement deviation;
4)Serial arch wire track is designed according to age bracket, serial facing is made, doctor can be according to patient's arch wire rail Mark is its suitable facing of selection, reduces cost of manufacture, improves efficiency;
5)Tongue and tooth directly contact can be prevented, it is to avoid the tip of the tongue acts on tooth and causes wrong jaw, while stopping face Muscle, can be also used for abolishing mouth breathing, stuck out one's tongue, bad lip custom etc..
Description of the drawings
Dimensional structure diagrams of the Fig. 1 for embodiment of the present invention facing.
Fig. 2 is mould master-plan and flow process chart.
In figure:1 is lip, lingual flange;2 is the first area in labial teeth area in groove;3 is second of premolarss area in groove Region;4 is the 3rd region in area of grinding one's teeth in sleep in groove;5 is spiracle.
Specific embodiment
It is that the features described above and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed Carefully it is described as follows.
Referring to figs. 1 to Fig. 2, the present invention relates to a kind of raisonne device of induction teenager teeth, including based on dental arch rail The occlusion integral type up and down that the threedimensional model of the standard upper jaw and standard lower jaw under mark form and standard occluding relation is designed and produced U-shaped facing, the facing made by silica gel material, and the facing bottom is worn on lower jaw, and facing top is worn on the upper jaw On, the facing is made up of lower notches and lip side, the sidewall flaps edge of tongue side and three spiracles, and groove and patient teeth connect Touch, the gingiva and mucosal contact of lip side, the sidewall flaps edge of tongue side and patient.
Wherein, the groove of above-mentioned facing includes inducing labial teeth to the raisonne first area of target direction, mill before induction Tooth is to the raisonne second area of target direction and the 3rd region in area of grinding one's teeth in sleep;Wherein, first area is according to standard tooth The smooth curved surface of the front tooth Profile Design of jaw, second area is the teeth groove of the premolarss tooth Profile Design according to standard tooth, the 3rd Region is square groove shape and terminal is opening.
Manufacture method of the present invention based on its device is further related under said apparatus, is carried out according to the following steps:
(1)Selection standard dentognathic model, by 3 D laser scanning method obtain respectively the upper jaw of standard tooth jaw, lower jaw and Overall tooth jaw digital model under standard occluding relation;
(2)This digital detal cast is processed and is reconstructed the upper jaw, the three-dimensional of lower jaw under acquisition standard tooth jaw relation Model;
(3)The threedimensional model of the standard upper jaw and standard lower jaw under establishing criteria occluding relation, makees bid in a computer The dental arch curve of quasi- tooth jaw, and correct, it is final to obtain dental arch track form;
(4)The threedimensional model of the standard upper jaw and standard lower jaw under establishing criteria occluding relation and the dental arch track shape of acquisition State, it is using three-dimensional software, just reverse to combine, design the threedimensional model of the raisonne device of induction teenager teeth;
(5)According to the raisonne device threedimensional model of induction teenager teeth designed, induction youngster is designed and produces The mould of the raisonne device of virgin tooth, produces the raisonne device of induction teenager teeth using injection molding technology;
(6)According to using the concrete condition worn, use, then device is processed and is repaired.
Wherein, step(2)Threedimensional model builds and carries out as follows:
1) data processing and surface reconstruction:Entirety under the upper jaw respectively to standard tooth jaw, lower jaw and standard occluding relation Tooth jaw cloud data carries out overlapping point cloud integration, and noise removal is processed, and to ensure the quality of follow-up surface reconstruction, and carries out curved surface Reconstruct;
2) Modifying model:There is a small amount of tiny hole, sharp point, it is necessary to threedimensional model in the threedimensional model that reconstruct is obtained Filling-up hole, smooth, removal characteristic processing are carried out, to obtain overall three dimension of tooth jaw under the complete upper jaw, lower jaw and standard coordinate Word model;
3) Registration of Measuring Data:On the basis of the overall dentognathic model under standard occluding relation, first manual engagement, make the upper jaw and under Jaw threedimensional model is substantially registering with the overall dentognathic model under standard occluding relation respectively, reuses global registration, finally obtains The threedimensional model of the standard upper jaw and standard lower jaw under standard occluding relation.
In implementation process,
The raisonne device of induction teenager teeth of the present invention is based under dental arch track form and standard occluding relation The standard upper jaw and standard lower jaw threedimensional model design, be engaged integral type up and down, the bottom of facing is worn on lower jaw, on Portion is worn on the upper jaw, so can induce lower tooth jaw simultaneously to the standard upper jaw under standard occluding relation and standard lower jaw side To Rational Arrangement, and facing is fixed using upper and lower gmatjpdumamicss, global shape is consistent with dental arch trajectory shape, U-shaped, such as Fig. 1 It is shown.
The device is mainly made up of lower notches and lip side, the sidewall flaps edge of tongue side.Groove and patient teeth's contact, lip The gingiva and mucosal contact of side, the sidewall flaps edge of tongue side and patient.Described facing groove mainly includes induction labial teeth to target The raisonne first area in direction, induces premolarss the to the raisonne second area of target direction and area of grinding one's teeth in sleep the 3rd Region.First area is the smooth curved surface of the labial teeth tooth Profile Design according to standard tooth jaw, and second area is according to standard tooth Premolarss tooth Profile Design teeth groove, the 3rd region is square groove shape and terminal is opening.The lip side of described facing, tongue The sidewall flaps edge of side is designed according to the gingiva and mucosa of the standard upper jaw and standard lower jaw under standard occluding relation, for adjusting Whole oral cavity and the soft tissue form in mouth week, to reach the final effect of tooth induction, while playing a part of fixed facing.
Obtain the entirety under the upper jaw, lower jaw and the standard occluding relation of standard tooth jaw by 3 D laser scanning method respectively Tooth jaw digital model, is processed and is reconstructed to this digital detal cast the upper jaw under acquisition standard tooth jaw relation, lower jaw Threedimensional model, on the basis of the overall dentognathic model under standard occluding relation, first manual engagement makes the upper jaw and lower jaw threedimensional model It is substantially registering with the overall dentognathic model under standard occluding relation respectively, global registration is reused, standard occlusion is finally obtained and is closed The threedimensional model of the standard upper jaw and standard lower jaw under system, then in solidworks, 3-matic softwares, just reverse combination sets Count out the threedimensional model of the raisonne device of induction teenager teeth.
Then the threedimensional model of the raisonne device of induction teenager teeth designed is imported in UG, it is powerful using which CAD, CAE, CAM function complete inject mould design and making.Fig. 2 is mould master-plan and work flow.
The device be by high resiliency, have no side effect, the medical silica-gel material of free from extraneous odour makes, with high resiliency, performance It is stable, to rescue similar during rescuing to arch wire, effect substantially, can be adapted to any malocclusion situation, comfortable wearing, And high temperature or boiling water sterilizing can be born, it is ensured that health.
Serial universal dental arch line tracking is designed according to age bracket, serial soft magnetism power facing is made, in the actual therapeutic traditional Chinese medical science It is its suitable facing of selection to take root according to patient's dental arch line tracking, reduces cost of manufacture, improves efficiency, mitigates patient's economy and bear Load.
The manufacture method of the raisonne device of induction teenager teeth of the present invention, is carried out according to the following steps:
(1)Instructed according to odontologist and select suitable standard dentognathic model, obtained by 3 D laser scanning method respectively Take the overall tooth jaw digital model under the upper jaw, lower jaw and the standard occluding relation of standard tooth jaw;
(2)This digital detal cast is processed and is reconstructed the upper jaw, the three-dimensional of lower jaw under acquisition standard tooth jaw relation Model, comprises the steps:
A) data processing and surface reconstruction:Entirety under the upper jaw respectively to standard tooth jaw, lower jaw and standard occluding relation Tooth jaw cloud data carries out overlapping the process such as point cloud integration, noise removal, to ensure the quality of follow-up surface reconstruction, and march Face reconstructs;
B) Modifying model:There is a small amount of tiny hole, sharp point etc. in the threedimensional model that reconstruct is obtained, it is necessary to three-dimensional Model carries out filling-up hole, smooth, removal feature etc. and processes, to obtain the overall tooth jaw under the complete upper jaw, lower jaw and standard coordinate Three-dimensional digitalization model;
C) Registration of Measuring Data:On the basis of the overall dentognathic model under standard occluding relation, first manual engagement, make the upper jaw and Lower jaw threedimensional model is substantially registering with the overall dentognathic model under standard occluding relation respectively, reuses global registration, finally obtains Take the threedimensional model of the standard upper jaw and standard lower jaw under standard occluding relation.
(3)The threedimensional model of the standard upper jaw and standard lower jaw under establishing criteria occluding relation, makees bid in a computer The dental arch curve of quasi- tooth jaw, and appropriate amendment is done under the guidance of odontologist, it is final to obtain dental arch track form.
(4)The threedimensional model of the standard upper jaw and standard lower jaw under establishing criteria occluding relation and the dental arch track shape of acquisition State, it is using SOLIDWORKS, 3-MATIC three-dimensional software, just reverse to combine, design the raisonne device of induction teenager teeth Threedimensional model.
(5)Using CAD, CAE, CAM technology powerful in UG, under control of the computer, according to the induction youngster for designing The raisonne device threedimensional model of virgin tooth, designs and produces the mould of the raisonne device of induction teenager teeth, adopt The raisonne device of induction teenager teeth is produced with injection molding technology.
(6)According to patient using the specific requirement worn, use, then device is processed and is repaired.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with Modification, should all belong to the covering scope of the present invention.

Claims (2)

1. a kind of manufacture method of the induction raisonne device of teenager teeth, it is characterised in that:Carry out according to the following steps:
(1)Selection standard dentognathic model, obtains the upper jaw, lower jaw and the standard of standard tooth jaw respectively by 3 D laser scanning method Overall tooth jaw digital model under occluding relation;
(2)This digital detal cast is processed and is reconstructed the upper jaw, the threedimensional model of lower jaw under acquisition standard tooth jaw relation;
(3)The threedimensional model of the standard upper jaw and standard lower jaw under establishing criteria occluding relation, makes standard tooth in a computer The dental arch curve of jaw, and correct, it is final to obtain dental arch track form;
(4)The threedimensional model of the standard upper jaw and standard lower jaw under establishing criteria occluding relation and the dental arch track form of acquisition, It is using three-dimensional software, just reverse to combine, design the threedimensional model of the raisonne device of induction teenager teeth;
(5)According to the raisonne device threedimensional model of induction teenager teeth designed, induction child's tooth is designed and produces The mould of the raisonne device of tooth, produces the raisonne device of induction teenager teeth using injection molding technology;
(6)According to using the concrete condition worn, use, then device is processed and is repaired.
2. the manufacture method of a kind of induction raisonne device of teenager teeth according to claim 1, it is characterised in that: Step(2)Threedimensional model builds and carries out as follows:
1)Data processing and surface reconstruction:Overall tooth jaw under the upper jaw respectively to standard tooth jaw, lower jaw and standard occluding relation Cloud data carries out overlapping point cloud integration, and noise removal is processed, and to ensure the quality of follow-up surface reconstruction, and carries out curved surface weight Structure;
2)Modifying model:There is a small amount of tiny hole, sharp point, it is necessary to carry out to threedimensional model in the threedimensional model that reconstruct is obtained Filling-up hole, smooth, removal characteristic processing, to obtain the overall tooth jaw three-dimensional digital under the complete upper jaw, lower jaw and standard coordinate Model;
3)Registration of Measuring Data:On the basis of the overall dentognathic model under standard occluding relation, first manual engagement makes the upper jaw and lower jaw three Dimension module is substantially registering with the overall dentognathic model under standard occluding relation respectively, reuses global registration, finally obtains standard The threedimensional model of the standard upper jaw and standard lower jaw under occluding relation.
CN201410358488.5A 2014-07-26 2014-07-26 Device for inducing reasonable arrangement of teeth of children and manufacturing method of device Ceased CN104083223B (en)

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