CN110464490A - A kind of row's tooth device, row's braces box and its preparation method and application - Google Patents
A kind of row's tooth device, row's braces box and its preparation method and application Download PDFInfo
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- CN110464490A CN110464490A CN201910218098.0A CN201910218098A CN110464490A CN 110464490 A CN110464490 A CN 110464490A CN 201910218098 A CN201910218098 A CN 201910218098A CN 110464490 A CN110464490 A CN 110464490A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000003780 insertion Methods 0.000 claims abstract description 61
- 230000037431 insertion Effects 0.000 claims abstract description 61
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 238000012937 correction Methods 0.000 claims description 39
- 210000004763 bicuspid Anatomy 0.000 claims description 34
- 210000002455 dental arch Anatomy 0.000 claims description 30
- 208000035126 Facies Diseases 0.000 claims description 29
- 239000000872 buffer Substances 0.000 claims description 18
- 206010049244 Ankyloglossia congenital Diseases 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 210000001847 jaw Anatomy 0.000 claims description 7
- 210000004283 incisor Anatomy 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 210000004373 mandible Anatomy 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 210000004513 dentition Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 210000000332 tooth crown Anatomy 0.000 description 2
- 230000036346 tooth eruption Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
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- Oral & Maxillofacial Surgery (AREA)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention provides a kind of row's tooth device, arrange braces box and its preparation method and application, row's tooth device includes integrally formed row's tooth device ontology, arranging tooth device ontology includes lip side wall, tongue side wall and web, upper tooth groove includes upper tooth insertion row tooth portion, lower tooth groove includes lower tooth insertion row tooth portion, upper tooth insertion row tooth portion and lower tooth insertion row tooth portion form occluding relation, the occluding relation matching comes into line the angle of release occluding relation of upper tooth and lower tooth under state, the angle of release of the angle of release occluding relation is 0 °~30 °, the angle of release are as follows: to come into line and be fully engaged against the mandibular position under state as starting, mandibular is dashed forward the angle of rotation of rotation axis around condyle, the condyle dashes forward rotation axis as the prominent axis for connecting formation of condyle.Row's tooth device of the invention can use before wearing the transparent appliance of series, can obtain the correct occluding relation and/or common path of insertion of tooth without replacing many facings.
Description
Technical field
The invention belongs to dental aligners technical fields, more particularly to a kind of row's tooth device, row's braces box and its preparation side
Method and application.
Background technique
Orthodontic includes that range is wider, is typically referred to through oral cavity technological means, and correction teeth arrangement is uneven, tooth is prominent
The therapeutic process of degree exception etc..There are many methods, such as fixed appliance for orthodontic, and removable appliance etc. will be according to individual
Tooth actual conditions, dentognathic deformity type etc., then comprehensive personal require selection treatment method.Without bracket invisalign or thoroughly
Bright appliance is the uneven correcting method of denture rapidly developed in recent years.It is rescued by wearing with a series of method of transparent appliances
Denture is uneven.This appliance had not only been able to satisfy the needs of straightening of teeth, but avoid simultaneously conventional brackets correction can see " steel
The shortcomings that tooth " is orthodontic method most popular currently on the market.But appliance is to separate to the transparent appliance of series up and down
, without connection relationship, so being often difficult to form good occluding relation, and generally requiring could gradually by 20~30 sets
Irregular teeth arrangement is neat, and be often difficult to be formed between the uneven tooth of denture appliance wear into it is common in place
Road causes appliance that cannot play in place very well and rescues performance.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of row's tooth device, row braces box and
Preparation method and application, row's tooth device include integrally formed row's tooth device ontology, row's tooth device ontology include lip side wall,
Tongue side wall and web, the web connects the lip side wall and the tongue side wall, the lip side wall and the tongue side wall all have
The upper tooth portion of upper tooth portion and lower tooth portion, the upper tooth portion of the lip side wall and the tongue side wall is prominent above the web, with institute
It stating web and forms upper tooth groove, the lower tooth portion of the lower tooth portion of the lip side wall and the tongue side wall is prominent below the web,
With the web formed lower tooth groove, the upper tooth groove include upper tooth insertion row tooth portion, the upper tooth portion of the lip side wall it is upper
Portion is equipped with the first support portion for covering upper gum, and the lower tooth groove includes lower tooth insertion row tooth portion, the lower tooth of the lip side wall
The lower part in portion is equipped with the second support portion of covering lower gum, and upper tooth insertion row tooth portion and lower tooth insertion row tooth portion form occlusion and close
System, the occluding relation matching come into line the angle of release occluding relation of upper tooth and lower tooth under state, the angle of release of the angle of release occluding relation
It is 0 °~30 °, the angle of release are as follows: to come into line and be fully engaged against the mandibular position under state as starting, mandibular is around prominent turn of condyle
The angle of rotation of moving axis, the condyle dash forward rotation axis as the prominent axis for connecting formation of condyle.Row's tooth device can wear the transparent appliance of series
It uses before, the correct occluding relation and/or common path of insertion of tooth can be obtained without replacing many facings.
In order to achieve the above objects and other related objects, first aspect present invention provides a kind of row's tooth device, including one at
Row's tooth device ontology of type, row's tooth device ontology include lip side wall, tongue side wall and web, the web connect the lip side wall and
The tongue side wall, the lip side wall and the tongue side wall all have upper tooth portion and lower tooth portion, the upper tooth portion and institute of the lip side wall
The upper tooth portion for stating tongue side wall is prominent above the web, forms upper tooth groove, the lower tooth portion of the lip side wall with the web
It is prominent below the web with the lower tooth portion of the tongue side wall, lower tooth groove, the upper tooth groove packet are formed with the web
Upper tooth insertion row tooth portion is included, the top in the upper tooth portion of the lip side wall is equipped with the first support portion for covering upper gum, the lower tooth
Groove includes lower tooth insertion row tooth portion, and the lower part in the lower tooth portion of the lip side wall is equipped with the second support portion of covering lower gum, on
Eye cutting enters to arrange tooth portion and lower tooth insertion row tooth portion forms occluding relation, and the occluding relation matching comes into line upper tooth and lower tooth under state
Angle of release occluding relation, the angle of release of the angle of release occluding relation is 0 °~30 °, the angle of release are as follows: to come into line and be fully engaged against shape
Mandibular position under state is starting, and mandibular is dashed forward the angle of rotation of rotation axis around condyle, and condyle rotation axis of dashing forward is the prominent connection shape of condyle
At axis.
Preferably, further include in following technical characteristic at least one of:
1) upper tooth insertion row tooth portion and lower tooth insertion row tooth portion generate the active force for making tooth inclination movement, described
The rotation center of tooth inclination movement is at 1/3 away from root of the tooth tip of a root root long;
2) tooth that upper tooth insertion row tooth portion and lower tooth insertion row tooth portion are come into line with user under state matches;
3) the lip side wall and the tongue side wall are matched with the correction dental arch of user;
4) the first support portion of labial teeth area gum is covered away from labial teeth area 2~4mm of gum, covers the first of premolar teeth area gum
Support portion covers the first support portion of distomolar area gum away from backteeth area 1~2mm of gum away from the area Qian Mo 2~3mm of gum;
5) the corresponding upper gum boundary of the lip side wall is equipped with upper tooth buffer area, and the width of the upper tooth buffer area is 1~
2mm, the upper tooth buffer area is away from corresponding 0.5~1mm of gum;The lip side wall corresponds to lower gum boundary and buffers equipped with lower tooth
Area, the width of the lower tooth buffer area are 1~2mm, and the lower tooth buffer area is away from corresponding 0.5~1mm of gum;
6) row's tooth device further includes cambered plate, the cambered plate be set to the lip side wall outside, the cambered plate with
The correction dental arch of user matches;
7) position that first support portion corresponds to central incisor is equipped with frenulum of upper lip preformed groove;
8) position that second support portion corresponds to central incisor is equipped with frenulum of inferior lip preformed groove;
9) material of row's tooth device ontology is food grade silicone, and shore hardness is 30~60 degree.
It is highly preferred that further including at least one in following technical characteristic:
1) feature 3) and feature 6) in, the correction dental arch is obtained using the following steps:
The first step selects at 4 points in arranging the dentognathic model after tooth in mandibular teeth, this 4 points is are ground before left side lower jaw second
The clinical crown cheek side central point of tooth, the clinical crown cheek side central point of right side second mandibular premolars, left side lower jaw first are ground
The clinical crown cheek side central point of tooth, the clinical crown cheek side central point of right side mandibular first molar;
Second step, with the clinical crown cheek side central points of left side second mandibular premolars, right side second mandibular premolars
Spacing between the central point of clinical crown cheek side is justified, then the semicircle for covering labial teeth section is first as diameter with diameter work
Labial teeth section arch;
Third step, the clinical crown cheek side central point and left side mandibular first molar of connection left side second mandibular premolars
Clinical crown cheek side central point forms first straight line, the clinical crown cheek side central point of connection right side second mandibular premolars and the right side
The clinical crown cheek side central point of side mandibular first molar forms second straight line, the first straight line, second straight line and labial teeth section
The intersection of arc arch obtains the first intersection point and the second intersection point, obtains correction dental arch comprising using the first intersection point as the first of vertex
Between the backteeth section arch and the first intersection point, the second intersection point that ray, the second ray by vertex of the second intersection point form
Two labial teeth section arch;
2) feature 6) in, the cambered plate of labial teeth is covered with a thickness of 2~4mm, covers the cambered plate of backteeth with a thickness of 1~4mm;
3) feature 7) in, the frenulum of upper lip preformed groove is v-notch;
4) feature 8) in, the frenulum of inferior lip preformed groove is v-notch.
Preferably, row's tooth device ontology with a thickness of 2~4mm.
Preferably, the shape and user's tooth in upper tooth insertion row tooth portion and lower tooth insertion row tooth portion come into line state
Under teeth patterning matching.
Refer to it is highly preferred that the tooth comes into line state, is starting with user's tooth initial position, makes tooth inclination movement
The state of common path of insertion is respectively provided with to upper tooth and lower tooth.
Second aspect of the present invention provides the purposes of above-mentioned row's tooth device, for making tooth generate Tooth movement with obtain tooth it is common just
Position road, row's tooth device use before wearing the transparent appliance of series.
Third aspect present invention provides the preparation method of above-mentioned row's tooth device, includes the following steps:
1) dentognathic model is obtained using conical beam CT;
2) tooth jaw impression molds are obtained by impression method, then laser scanning obtains dentognathic model;
3) dentognathic model is carried out three-dimensional registration with the dentognathic model to merge, then extracts and obtains fused tooth
Gnathode;
4) it using fused dentognathic model as initial state, by the tooth inclination movement in model to state is come into line, obtains
Dentognathic model after arranging tooth;In the jawbone model being fully engaged against, the axis that mandible model is formed using the prominent connection of condyle is rotary shaft
The model of angle of release occluding relation between 0 °~30 ° upper dental casts of formation of rotation and lower dental cast;
5) correction inferior dental arch curve is drawn with lower jaw tooth mould in the dentognathic model after correction, according to correction inferior dental arch curved shape
At lower facies occlusalis dentis and upper facies occlusalis dentis;Lower facies occlusalis dentis is pulled down to the lower tooth covering part for stretching to obtain covering lower tooth, in lower tooth
Upper facies occlusalis dentis is pulled up to obtain the upper tooth covering part of covering upper tooth, In by the model that the second support portion is formed under covering part
The model of the first support portion is formed in upper tooth covering part, thus the row's of acquisition tooth device prototype, by row's tooth device prototype and step 4)
The model of obtained angle of release occluding relation carries out Boolean calculation, obtains the model of row's tooth device;
6) with the modelling mold of row's tooth device of step 5);
7) by silica gel injection step 6) obtain mold, the row's of obtaining tooth device.
Injection molding of the mold for present invention row's tooth device, wherein the upper tooth insertion row tooth portion of row's tooth device and lower tooth
The tooth crown shape matching of dentognathic model tooth of the insertion row tooth portion after correction.
Preferably, further include in following technical characteristic at least one of:
1) in step 4), the inclination movement using at 1/3 away from root of the tooth tip of a root root long as rotation center;
2) in step 4), the tooth in the dentognathic model come into line under state has common path of insertion after coming into line;
3) in step 5), the outside 2~4mm of pair-wise offset of inferior dental arch curve is corrected, inside 10~16mm of pair-wise offset is obtained
Lower facies occlusalis dentis;1~6mm of lower facies occlusalis dentis Forward, obtains facies occlusalis dentis;
4) in step 5), the outside that row's tooth device prototype corresponds to the lip side wall in upper tooth portion and lower tooth portion forms cambered plate
Model;
5) in step 5), the preparation method of correction inferior dental arch curve includes the following steps:
Firstly, selecting in mandibular teeth at 4 points in arranging the dentognathic model after tooth, this 4 points are left side second mandibular premolars
Clinical crown cheek side central point, the clinical crown cheek side central point of right side second mandibular premolars, left side mandibular first molar
Clinical crown cheek side central point, the clinical crown cheek side central point of right side mandibular first molar;
Second step, with the clinical crown cheek side central points of left side second mandibular premolars, right side second mandibular premolars
Spacing between the central point of clinical crown cheek side is justified, then the semicircle for covering labial teeth section is first as diameter with diameter work
Labial teeth section arch;
Third step, the clinical crown cheek side central point and left side mandibular first molar of connection left side second mandibular premolars
Clinical crown cheek side central point forms first straight line, the clinical crown cheek side central point of connection right side second mandibular premolars and the right side
The clinical crown cheek side central point of side mandibular first molar forms second straight line, the first straight line, second straight line and labial teeth section
The intersection of arc arch obtains the first intersection point and the second intersection point, obtains correction dental arch comprising using the first intersection point as the first of vertex
Between the backteeth section arch and the first intersection point, the second intersection point that ray, the second ray by vertex of the second intersection point form
Two labial teeth section arch.
Fourth aspect present invention provides a kind of row's braces box, including above-mentioned row's tooth device and one or more dental aligners.
As described above, the present invention one of at least has the advantages that:
1) upper tooth of the invention insertion row tooth portion and lower tooth insertion row tooth portion form occluding relation, the occluding relation matching
The angle of release occluding relation of upper tooth and lower tooth under state is come into line, the angle of release of the angle of release occluding relation is 0~30 °, the angle of release are as follows:
To come into line and be fully engaged against the mandibular position under state as starting, mandibular is dashed forward the angle of rotation of rotation axis around condyle, and the condyle is prominent
Rotation axis is the axis that the prominent connection of condyle is formed, so that it is determined that the correct occluding relation in upper tooth portion and lower tooth portion;
2) row's tooth device further includes cambered plate, the cambered plate be set to the lip side wall outside, the cambered plate with
The correction dental arch of user matches, and can obtain enough corrective forces after increasing cambered plate and comfort level improves;
3) row's tooth device of the invention can use before wearing dental aligners, can obtain tooth without changing many facings
Common path of insertion solves the problems, such as that tooth is irregular;
4) it since row's tooth device of the invention uses elastic silica gel material, is also easy in place, comfortably under denture misalignment
It spends also higher.
5) since row's tooth device of the invention is up and down to be linked to be entirety, reciprocal force between jaw can be formed after wearing, in adjustment
The sagittal of mandibular dentition is to relationship.And general transparent appliance, the appliance of upper and lower dentition are separated.
6) model that the present invention is obtained by conical beam CT and laser scanning, is then merged, and the model of acquisition is accurate,
Error is small;
7) present invention is by meeting tooth to do tooth inclination movement as rotation center at 1/3 away from root of the tooth tip of a root root long
Physiological requirement, enables the tooth after correction to reach ideal health position.
Detailed description of the invention
Fig. 1 is shown as row's tooth device schematic diagram one of the invention.
Fig. 2 is shown as row's tooth device schematic diagram two of the invention.
Fig. 3 is shown as the sectional view of row's tooth device of the invention.
Fig. 4 is shown as the schematic diagram to make tooth inclination movement at 1/3 away from root of the tooth tip of a root root long as rotation center.
Fig. 5 be shown as mandibular around condyle dash forward rotation axis rotation schematic diagram.
Fig. 6 is shown as the drafting of correction dental arch.
Fig. 7 is shown as extracting the dental arch curve of patient.
Fig. 8 is shown as lower facies occlusalis dentis.
Fig. 9 is shown as facies occlusalis dentis.
Figure 10 is shown as row's tooth device prototype that step 5) obtains.
The model that Figure 11 is shown as the angle of release occluding relation for obtaining row's tooth device prototype and step 4) carries out boolean's fortune
The model of obtained row's tooth device.
Appended drawing reference:
1 lip side wall
11 first support portions
111 frenulum of upper lip preformed grooves
12 second support portions
121 frenulum of inferior lip preformed grooves
2 tongue side walls
3 webs
4 upper tooth grooves
41 upper teeth insertion row tooth portion
5 lower tooth grooves
6 cambered plates
7 condyles are dashed forward rotary shaft
8 lower tooth covering parts
The model of 9 second support portions
10 upper tooth covering parts
The model of 11 first support portions
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Fig. 1 is please referred to Figure 10.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., are only used
To cooperate the revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the invention can
The qualifications of implementation, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, it should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
A kind of row's tooth device, as shown in figures 1 and 3, including integrally formed row's tooth device ontology, row's tooth device ontology include
Lip side wall 1, tongue side wall 2 and web 3, the web 3 connect the lip side wall 1 and the tongue side wall 2, the lip side wall 1 and institute
It states tongue side wall 2 and all has upper tooth portion and lower tooth portion, the upper tooth portion of the upper tooth portion of the lip side wall 1 and the tongue side wall 2 is described
It is prominent above web 3, upper tooth groove 4, the lower tooth in the lower tooth portion of the lip side wall 1 and the tongue side wall 2 are formed with the web 3
Portion is prominent below the web 3, forms lower tooth groove 5 with the web 3, the upper tooth groove 4 includes upper tooth insertion row's tooth
Portion 41, the top in the upper tooth portion of the lip side wall 1 are equipped with the first support portion 11 for covering upper gum, and the lower tooth groove 5 includes
Lower tooth insertion row tooth portion, the lower part in the lower tooth portion of the lip side wall 1 are equipped with the second support portion 12 of covering lower gum, upper tooth insertion
It arranges tooth portion 41 and lower tooth insertion row tooth portion forms occluding relation, occluding relation matching comes into line opening for upper tooth and lower tooth under state
Angle occluding relation, the angle of release of the angle of release occluding relation are 0 °~30 °, the angle of release are as follows: to come into line and be fully engaged against under state
Mandibular position be starting, mandibular is dashed forward the angle of rotation of rotation axis around condyle, and condyle rotation axis 7 of dashing forward is that the prominent connection of condyle is formed
Axis, as shown in Figure 5.
Upper tooth insertion row tooth portion and lower tooth insertion row tooth portion of the invention forms occluding relation, the occluding relation matching row
The angle of release occluding relation of upper tooth and lower tooth under neat state, the angle of release of the angle of release occluding relation are 0 °~30 °, such as 0 °~3 °, 3 °
~5 °, 5 °~10 °, 10 °~15 °, 15 °~25 ° and 25 °~30 °, the angle of release are as follows: to come into line and be fully engaged against under state
Mandibular position is starting, and mandibular is dashed forward the angle of rotation of rotation axis around condyle, and condyle rotation axis of dashing forward is axis that the prominent connection of condyle is formed,
So that it is determined that the positional relationship in upper tooth portion and lower tooth portion and correct occluding relation is formed, upper tooth insertion row tooth portion 41 and angle of release
Upper facies occlusalis dentis is overlapped in occluding relation, and lower tooth insertion row tooth portion is overlapped with facies occlusalis dentis lower in angle of release occluding relation.
In a preferred embodiment, further include in following technical characteristic at least one of:
1) upper tooth insertion row tooth portion 41 and lower tooth insertion row tooth portion generate the active force for making tooth inclination movement, institute
State tooth inclination movement rotation center be away from root of the tooth tip of a root root long 1/3 at, meet tooth physiological requirement so that correction after
Tooth can reach ideal health position;
As shown in figure 4, the rotation center of tooth inclination movement refers to that tooth body is as in rotation when a power acts on tooth body
The heart generates tooth inclination movement;
2) tooth that upper tooth insertion row tooth portion 41 and lower tooth insertion row tooth portion are come into line with user under state matches;
3) the lip side wall 1 and the tongue side wall 2 are matched with the correction dental arch of user;
4) the first support portion of labial teeth area gum is covered away from labial teeth area 2~4mm of gum, covers the first of premolar teeth area gum
Support portion covers the first support portion of area's gum of grinding one's teeth in sleep away from backteeth area 1~2mm of gum away from the area Qian Mo 2~3mm of gum;
5) the corresponding upper gum boundary of the lip side wall is equipped with upper tooth buffer area, and the width of the upper tooth buffer area is 1~
2mm, the upper tooth buffer area is away from corresponding 0.5~1mm of gum;The lip side wall corresponds to lower gum boundary and buffers equipped with lower tooth
Area, the width of the lower tooth buffer area are 1~2mm, and the lower tooth buffer area is away from corresponding 0.5~1mm of gum;
6) as shown in Figures 2 and 3, row's tooth device further includes cambered plate 6, and the cambered plate 6 is set to the lip side wall 1
Outside, the cambered plate 6 are matched with the correction dental arch of user, can obtain enough corrective forces after increasing cambered plate and comfort level mentions
It is high;
7) as shown in Fig. 2, the position that first support portion 11 corresponds to central incisor is equipped with frenulum of upper lip preformed groove 111;
8) as shown in Fig. 2, the position that second support portion 12 corresponds to central incisor is equipped with frenulum of inferior lip preformed groove 121;
9) material of row's tooth device ontology is food grade silicone, and shore hardness is 30~60 degree, in denture misalignment
Under be also easy in place, comfort level is also higher.
In a preferred embodiment, further include in following technical characteristic at least one of:
1) feature 3) and feature 6) in, the correction dental arch is obtained using the following steps, as shown in Figure 6:
The first step selects at 4 points in arranging the dentognathic model after tooth in mandibular teeth, this 4 points is are ground before left side lower jaw second
The clinical crown cheek side central point of tooth, the clinical crown cheek side central point of right side second mandibular premolars, left side lower jaw first are ground
The clinical crown cheek side central point of tooth, the clinical crown cheek side central point of right side mandibular first molar;
Second step, with the clinical crown cheek side central points of left side second mandibular premolars, right side second mandibular premolars
Spacing between the central point of clinical crown cheek side is justified, then the semicircle for covering labial teeth section is first as diameter with diameter work
Labial teeth section arch;
Third step, the clinical crown cheek side central point and left side mandibular first molar of connection left side second mandibular premolars
Clinical crown cheek side central point forms first straight line, the clinical crown cheek side central point of connection right side second mandibular premolars and the right side
The clinical crown cheek side central point of side mandibular first molar forms second straight line, the first straight line, second straight line and labial teeth section
The intersection of arc arch obtains the first intersection point and the second intersection point, obtains correction dental arch comprising using the first intersection point as the first of vertex
Between the backteeth section arch and the first intersection point, the second intersection point that ray, the second ray by vertex of the second intersection point form
Two labial teeth section arch;
2) feature 6) in, the cambered plate of labial teeth is covered with a thickness of 2~4mm, covers the cambered plate of backteeth with a thickness of 1~4mm;
3) feature 7) in, the frenulum of upper lip preformed groove 111 is v-notch;
4) feature 8) in, the frenulum of inferior lip preformed groove 121 is v-notch.
In a preferred embodiment, row's tooth device ontology with a thickness of 2~4mm.
In a preferred embodiment, the shape in upper tooth insertion row tooth portion 41 and lower tooth insertion row tooth portion with
User's tooth comes into line the matching of the teeth patterning under state.
In a preferred embodiment, the tooth comes into line state and refers to, is starting with user's tooth initial position, makes
Tooth inclination movement is respectively provided with the state of common path of insertion to upper tooth and lower tooth.
The purposes of above-mentioned row's tooth device, for making tooth generate Tooth movement to obtain the common path of insertion of tooth, row's tooth device exists
It is used before wearing the transparent appliance of series.
The preparation method of above-mentioned row's tooth device, includes the following steps:
1) dentognathic model is obtained using conical beam CT;
2) tooth jaw impression molds are obtained by impression method, then laser scanning obtains dentognathic model;
3) dentognathic model is carried out three-dimensional registration with the dentognathic model to merge, then extracts and obtains fused tooth
Gnathode can such as pass through the characteristic point of at least one of slot bone upper in dentognathic model and the dentognathic model, lower slot bone and tooth
It is merged;Three registrations fusion is realized using existing software;
4) it using fused dentognathic model as initial state, by the tooth inclination movement in model to state is come into line, obtains
Dentognathic model after correction;As shown in figure 5, mandible model is formed in the jawbone model being fully engaged against with the prominent connection of condyle
Axis is the model that rotary shaft rotates the angle of release occluding relation that 0 °~30 ° form between upper dental cast and lower dental cast, such as angle of rotation
The purpose of degree can be 0 °~3 °, 3 °~5 °, 5 °~10 °, 10 °~15 °, 15 °~25 ° or 25 °~30 °, rotational angle is under making
Facies occlusalis dentis and upper facies occlusalis dentis are not directly contacted with, and when tooth device is arranged in production, lower tooth will not penetrate web;
5) as shown in fig. 7, correction inferior dental arch curve is drawn with lower jaw tooth mould in the dentognathic model after correction, according under correction
Dental arch curve forms lower facies occlusalis dentis and upper facies occlusalis dentis;As shown in Figure 10, lower facies occlusalis dentis is pulled down and stretches to obtain under covering
The lower tooth covering part 8 of tooth forms the model 9 of the second support portion under lower tooth covering part, upper facies occlusalis dentis is pulled up to obtain
The upper tooth covering part 10 for covering upper tooth, forms the model 11 of the first support portion in upper tooth covering part, so that the row's of acquisition tooth device is former
The model of type, the angle of release occluding relation that row's tooth device prototype and step 4) are obtained carries out Boolean calculation, determine upper tooth portion and
The positional relationship in lower tooth portion obtains the model of row's tooth device as shown in figure 11, and the upper tooth insertion in upper tooth portion is arranged tooth portion 41 and opened
Upper facies occlusalis dentis is overlapped in the model of angle occluding relation, in the lower tooth insertion row tooth portion in lower tooth portion and the model of angle of release occluding relation
Lower facies occlusalis dentis is overlapped;
6) with the modelling mold of row's tooth device of step 5);
7) by silica gel injection step 6) obtain mold, the row's of obtaining tooth device.
Injection molding of the mold for present invention row's tooth device, wherein the upper tooth insertion row tooth portion of row's tooth device and lower tooth
The tooth crown shape matching of dentognathic model tooth of the insertion row tooth portion after correction;Tooth after first support portion and correction
The matching of gnathode upper tooth gum shape;Second support portion is matched with the dentognathic model lower tooth gum shape after correction;
In a preferred embodiment, further include in following technical characteristic at least one of:
1) in step 4), the inclination movement using at 1/3 away from root of the tooth tip of a root root long as rotation center;The inclination movement
Using the horizontal alveolar bone width at 1/3 away from root of the tooth tip of a root root long as boundary;
2) in step 4), the tooth in the dentognathic model come into line under state has common path of insertion after coming into line;
3) in step 5), the outside 2~4mm of pair-wise offset of inferior dental arch curve, inside 10~16mm of pair-wise offset is corrected, is such as schemed
Outside pair-wise offset 3mm, inside pair-wise offset 12mm shown in 8 obtain lower facies occlusalis dentis;1~6mm of lower facies occlusalis dentis Forward, such as
Lower facies occlusalis dentis Forward 2mm, obtains facies occlusalis dentis shown in Fig. 9;
4) in step 5), the outside that row's tooth device prototype corresponds to the lip side wall in upper tooth portion and lower tooth portion forms cambered plate 6
Model;
5) in step 5), the preparation method of correction inferior dental arch curve includes the following steps:
Firstly, selecting in mandibular teeth at 4 points in dentognathic model after correction, this 4 points are left side second mandibular premolars
Clinical crown cheek side central point, the clinical crown cheek side central point of right side second mandibular premolars, left side mandibular first molar
Clinical crown cheek side central point, the clinical crown cheek side central point of right side mandibular first molar;
Second step, with the clinical crown cheek side central points of left side second mandibular premolars, right side second mandibular premolars
Spacing between the central point of clinical crown cheek side is justified, then the semicircle for covering labial teeth section is first as diameter with diameter work
Labial teeth section arch;
Third step, the clinical crown cheek side central point and left side mandibular first molar of connection left side second mandibular premolars
Clinical crown cheek side central point forms first straight line, the clinical crown cheek side central point of connection right side second mandibular premolars and the right side
The clinical crown cheek side central point of side mandibular first molar forms second straight line, the first straight line, second straight line and labial teeth section
The intersection of arc arch obtains the first intersection point and the second intersection point, obtains correction dental arch comprising using the first intersection point as the first of vertex
Between the backteeth section arch and the first intersection point, the second intersection point that ray, the second ray by vertex of the second intersection point form
Two labial teeth section arch.
A kind of row's braces box, including above-mentioned row's tooth device and one or more dental aligners.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of row's tooth device, which is characterized in that including integrally formed row's tooth device ontology, row's tooth device ontology includes lip side wall
(1), tongue side wall (2) and web (3), the web (3) connect the lip side wall (1) and the tongue side wall (2), the lip side wall
(1) and the tongue side wall (2) all has upper tooth portion and lower tooth portion, the upper tooth portion of the lip side wall (1) and the tongue side wall (2)
Upper tooth portion is prominent above the web (3), forms upper tooth groove (4) with the web (3), the lower tooth of the lip side wall (1)
Portion and the lower tooth portion of the tongue side wall (2) are prominent below the web (3), form lower tooth groove (5) with the web (3),
The upper tooth groove (4) includes upper tooth insertion row tooth portion (41), and the top in the upper tooth portion of the lip side wall (1) is equipped with covering upper tooth
The first support portion (11) of gum, the lower tooth groove (5) include lower tooth insertion row tooth portion, the lower tooth portion of the lip side wall (1)
Lower part is equipped with the second support portion (12) of covering lower gum, and upper tooth insertion row tooth portion (41) and lower tooth insertion row tooth portion form occlusion
Relationship, the occluding relation matching come into line the angle of release occluding relation of upper tooth and lower tooth under state, and the angle of release occluding relation is opened
Angle is 0 °~30 °, the angle of release are as follows: to come into line and be fully engaged against the mandibular position under state as starting, mandibular is prominent around condyle
The angle of rotation of rotation axis, the condyle dash forward rotation axis (7) as the prominent axis for connecting formation of condyle.
2. row's tooth device as described in claim 1, which is characterized in that further include at least one in following technical characteristic:
1) upper tooth insertion row tooth portion (41) and lower tooth insertion row tooth portion generate the active force for making tooth inclination movement, described
The rotation center of tooth inclination movement is at 1/3 away from root of the tooth tip of a root root long;
2) tooth that upper tooth insertion row tooth portion (41) and lower tooth insertion row tooth portion are come into line with user under state matches;
3) the lip side wall (1) and the tongue side wall (2) are matched with the correction dental arch of user;
4) the first support portion of labial teeth area gum is covered away from labial teeth area 2~4mm of gum, covers the first support of premolar teeth area gum
The area Bu Juqianmo 2~3mm of gum covers the first support portion of area's gum of grinding one's teeth in sleep away from backteeth area 1~2mm of gum;
5) the corresponding upper gum boundary of the lip side wall is equipped with upper tooth buffer area, and the width of the upper tooth buffer area is 1~2mm,
The upper tooth buffer area is away from corresponding 0.5~1mm of gum;The lip side wall corresponds to lower gum boundary equipped with lower tooth buffer area, institute
The width for stating lower tooth buffer area is 1~2mm, and the lower tooth buffer area is away from corresponding 0.5~1mm of gum;
6) row's tooth device further includes cambered plate (6), and the cambered plate (6) is set to the outside of the lip side wall (1), the arch
Plate (6) is matched with the correction dental arch of user;
7) position that first support portion (11) corresponds to central incisor is equipped with frenulum of upper lip preformed groove (111);
8) position that second support portion (12) corresponds to central incisor is equipped with frenulum of inferior lip preformed groove (121);
9) material of row's tooth device ontology is food grade silicone, and shore hardness is 30~60 degree.
3. row's tooth device as claimed in claim 2, which is characterized in that further include at least one in following technical characteristic:
1) feature 3) and feature 6) in, the correction dental arch is obtained using the following steps:
The first step selects at 4 points in arranging the dentognathic model after tooth in mandibular teeth, this 4 points are left side second mandibular premolars
Clinical crown cheek side central point, the clinical crown cheek side central point of right side second mandibular premolars, left side mandibular first molar
Clinical crown cheek side central point, the clinical crown cheek side central point of right side mandibular first molar;
Second step, with the clinical crown cheek side central point of left side second mandibular premolars, the clinic of right side second mandibular premolars
Spacing between the central point of corona cheek side is justified, then the semicircle for covering labial teeth section is the first labial teeth as diameter with diameter work
Section arch;
Third step, the clinic of clinical crown cheek the side central point and left side mandibular first molar of connection left side second mandibular premolars
Corona cheek side central point forms first straight line, on the right side of connection under the clinical crown cheek side central point of second mandibular premolars and right side
The clinical crown cheek side central point of jaw first molar forms second straight line, the first straight line, second straight line and labial teeth section arc
Arch intersection obtains the first intersection point and the second intersection point, obtains correction dental arch comprising using the first intersection point as first ray on vertex,
The second labial teeth between backteeth section arch and the first intersection point, the second intersection point that the second ray by vertex of the second intersection point forms
Section arch;
2) feature 6) in, the cambered plate of labial teeth is covered with a thickness of 2~4mm, covers the cambered plate of backteeth with a thickness of 1~4mm;
3) feature 7) in, the frenulum of upper lip preformed groove (111) is v-notch;
4) feature 8) in, the frenulum of inferior lip preformed groove (121) is v-notch.
4. as described in claim 1 row tooth device, which is characterized in that row's tooth device ontology with a thickness of 2~4mm.
5. row's tooth device as described in claim 1, which is characterized in that upper tooth insertion row tooth portion (41) and lower tooth insertion
The shape in row tooth portion comes into line the teeth patterning under state with user's tooth and matches.
6. row's tooth device as claimed in claim 5, which is characterized in that the tooth comes into line state and refers to, initial with user's tooth
Position is starting, and tooth inclination movement is made to be respectively provided with the state of common path of insertion to upper tooth and lower tooth.
7. as row's tooth device as claimed in any one of claims 1 to 6 purposes, which is characterized in that for make tooth generate Tooth movement with
The common path of insertion of tooth is obtained, row's tooth device uses before wearing the transparent appliance of series.
8. such as the preparation method of row's tooth device as claimed in any one of claims 1 to 6, which comprises the steps of:
1) dentognathic model is obtained using conical beam CT;
2) tooth jaw impression molds are obtained by impression method, then laser scanning obtains dentognathic model;
3) dentognathic model is carried out three-dimensional registration with the dentognathic model to merge, then extracts and obtains fused tooth jaw mould
Type;
4) using fused dentognathic model as initial state, by the tooth inclination movement in model to the state that comes into line, the row's of acquisition tooth
Dentognathic model afterwards;In the jawbone model being fully engaged against, mandible model is rotated using the axis that the prominent connection of condyle is formed as rotary shaft
The model of angle of release occluding relation between 0 °~30 ° upper dental casts of formation and lower dental cast;
5) correction inferior dental arch curve is drawn with lower jaw tooth mould in the dentognathic model after correction, is formed down according to correction inferior dental arch curve
Facies occlusalis dentis and upper facies occlusalis dentis;Lower facies occlusalis dentis is pulled down to the lower tooth covering part (8) for stretching to obtain covering lower tooth, is covered in lower tooth
Upper facies occlusalis dentis is pulled up to obtain the upper tooth covering part of covering upper tooth by the model (9) that the second support portion is formed under cover
(10), the model (11) of the first support portion is formed in upper tooth covering part, so that the row's of acquisition tooth device prototype, former by row's tooth device
The model for the angle of release occluding relation that type and step 4) obtain carries out Boolean calculation, obtains the model of row's tooth device;
6) with the modelling mold of row's tooth device of step 5);
7) by silica gel injection step 6) obtain mold, the row's of obtaining tooth device.
9. as claimed in claim 8 row tooth device preparation method, which is characterized in that further include in following technical characteristic at least
One:
1) in step 4), the inclination movement using at 1/3 away from root of the tooth tip of a root root long as rotation center;
2) in step 4), the tooth in the dentognathic model come into line under state has common path of insertion after coming into line;
3) in step 5), the outside 2~4mm of pair-wise offset of inferior dental arch curve is corrected, inside 10~16mm of pair-wise offset obtains lower tooth
Occlusal surface;1~6mm of lower facies occlusalis dentis Forward, obtains facies occlusalis dentis;
4) in step 5), the outside that row's tooth device prototype corresponds to the lip side wall in upper tooth portion and lower tooth portion forms cambered plate (6)
Model;
5) in step 5), the preparation method of correction inferior dental arch curve includes the following steps:
Firstly, select in mandibular teeth at 4 points in arranging the dentognathic model after tooth, this 4 points facing for left side second mandibular premolars
Bed corona cheek side central point, the clinical crown cheek side central point of right side second mandibular premolars, left side mandibular first molar face
Bed corona cheek side central point, the clinical crown cheek side central point of right side mandibular first molar;
Second step, with the clinical crown cheek side central point of left side second mandibular premolars, the clinic of right side second mandibular premolars
Spacing between the central point of corona cheek side is justified, then the semicircle for covering labial teeth section is the first labial teeth as diameter with diameter work
Section arch;
Third step, the clinic of clinical crown cheek the side central point and left side mandibular first molar of connection left side second mandibular premolars
Corona cheek side central point forms first straight line, on the right side of connection under the clinical crown cheek side central point of second mandibular premolars and right side
The clinical crown cheek side central point of jaw first molar forms second straight line, the first straight line, second straight line and labial teeth section arc
Arch intersection obtains the first intersection point and the second intersection point, obtains correction dental arch comprising using the first intersection point as first ray on vertex,
The second labial teeth between backteeth section arch and the first intersection point, the second intersection point that the second ray by vertex of the second intersection point forms
Section arch.
10. a kind of row's braces box, which is characterized in that including row's tooth device as claimed in any one of claims 1 to 6 and one or more
Dental aligners.
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