CN109106457A - A kind of manufacturing method of the tooth movement appliance snap ring based on precision customization - Google Patents
A kind of manufacturing method of the tooth movement appliance snap ring based on precision customization Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
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- 238000000034 method Methods 0.000 claims abstract description 33
- 238000005452 bending Methods 0.000 claims abstract description 17
- 238000013461 design Methods 0.000 claims abstract description 16
- 210000000214 mouth Anatomy 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000001225 therapeutic effect Effects 0.000 claims description 8
- 210000000988 bone and bone Anatomy 0.000 claims description 6
- 210000004283 incisor Anatomy 0.000 claims description 3
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- 238000010146 3D printing Methods 0.000 description 2
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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
- A61C7/002—Orthodontic computer assisted systems
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
This application involves a kind of manufacturing methods of tooth movement appliance snap ring based on precision customization.Database is constructed by acquiring a large amount of patient teeth's information datas, and doctor's clasp design experience is combined to form software.In precision method for customizing, patient teeth's information input software is automatically generated into snap ring build information, and the snap ring compatible with mechanical arm is further generated by software and bends instruction, the precision customized production of snap ring is realized under the mechanical arm operation for being exclusively used in production snap ring.The method achieve produce whole process automatic processing by patient teeth's information to snap ring, a large amount of manpower and time cost are saved, without there is experience doctor to design snap ring modeling scheme, the error that artificial bending and casting are easy to produce is avoided, the standardization that snap ring is bent is realized.
Description
Technical field
This application involves orthodontic fields, and in particular to the artificial intelligence of tooth movement appliance manufactures
Background technique
In Orthodontics, appliance is treated or is kept to be most commonly seen correction scheme, and patient can be according to need
Ask selection fixed appliance or removable appliance.It is uneven for the denture of children, usually rescued using removable appliance,
It can voluntarily be plucked and be worn or orthotic device that doctor freely loads and unloads by patient, intact when taking, this appliance is in addition to being attached to corona
Above but also it need to be attached on oral mucosa surface.Doctor can arbitrarily subtract increasing attachment on appliance, to reach correction dentognathic deformity
Purpose.It especially occupies an important position in the therapeutic scheme of adolescent patient in the treatment of dentognathic deformity.
Removable appliance is made of fixing device, active force part, that is, three parts such as various spring attachments and base.At present
Common anchoring methods have snap ring method, embrasure hook method, base tissue surface's liner method and the methods of are directly bonded in denture.Card
Ring is the most common fixing device, on all teeth for being selected as anchorage, is undertaken by Anchorage molar and is rescued what tooth generated
Reaction force, and make to be rescued Tooth movement.
Currently, the production method of Dental clasps mainly has casting and bends two kinds by hand, manual bending clasp difficulty is big, skill
Skilful property is strong, is not easy to grasp, in addition, during the bending process, stainless steel wire greatly reduces the antifatigue of material by repeatedly bending
Intensity causes the mechanical strength of snap ring to reduce, therefore snap ring fractures and happens occasionally, and easily causes serious consequence.In addition, bending card by hand
Ring is the snap ring that formula of " cutting the garment according to the figure " one by one bends, thus bends by hand by the true form size of each specific abutment,
Its geometry and size are all uncertain.Machine casting snap ring be widely used in situation of all-level hospitals dentistry, private clinic and
Skilled worker's machining center, however its there is also certain limitations, it is necessary first to mold is constructed according to the result of clasp design, then is adopted
It is formed with the mode of hot extrusion or cold-punching mould, and since patient teeth's situation is entirely personalization, needed every time by doctor's root
Snap ring is designed according to tooth mould, and mold is manufactured according to design result, then cast, not only the production cycle is long in this way, and it is at high cost, and
And error can be formed in actual production, the later period also needs doctor's manual setting.
It is less about the innovation and creation of snap ring in the prior art, snap ring bending tool and shape-designing are related generally to, such as
CN200520021263 has invented a kind of ring clamping-special forceps, and CN201611039206, US4273530, WO2011146062A1 are equal
The innovation and creation in relation to snap ring appliance moulding are related to, related snap ring automated manufacturing method still belongs to blank field.
In recent years, application of the information scanning basis in oral cavity in correction scheme was increasingly extensive, CN201310289989 invention
Oral cavity CT data acquisition results are used for reconstructing three-dimensional model, calculated simultaneously by a kind of digitized manufacturing system method of orthodontic appliance
The threedimensional model being made of forcing unit is obtained, production is realized by way of 3D printing.CN201610393572 has invented one
The method that kind manufacture customizes invisible orthotic device, realizes manufacture by way of Stereolithography.Although oral cavity information scanning is
It is gradually used for correction, but rests on the link for rebuilding threedimensional model mostly for the processing of data, these data are used only for
The 3D printing or photocuring scheme in later period are instructed, manufactured appliance is mainly the appliance of immobilization, and mainly
For the arch wire for needing individual character manufacturing.There has been no schemes, and patient medical information to be directly used for setting for removable appliance product
Meter, in removable appliance fixation member-snap ring personalized designs and production.
The application aims to solve the problem that problems of the prior art, saves the link of doctor's diagnosis and treatment and hand-designed snap ring,
Avoid bending by hand or casting process in the error that generates, facilitate the later period to adjust.Therefore, this application provides one kind to be based on patient
The method that personalized dental information generates removable appliance fixed solution and automated production snap ring.
Invention summary
The first aspect of the present invention is related to a kind of manufacturing method of removable appliance snap ring.This method includes following step
It is rapid:
(1) patient teeth's information is scanned, data acquisition system 1 is formed
(2) by the information input information searching module of data acquisition system 1, with the information progress in dental information database
Match, snap ring modeling scheme, i.e. data acquisition system 2 are automatically generated according to match information
(3) data acquisition system 2 is inputted into info conversion module, automatically generates snap ring and bends command information, i.e. data acquisition system 3
(4) it by the information input snap ring making apparatus of data acquisition system 3, automatically controls and completes snap ring manufacture.
In a specific embodiment, patient teeth's information passes through the spy different from traditional oral information acquisition apparatus
Different mouth cavity scanner obtains.
Information retrieval will be carried out in the prefabricated software of the information input of data acquisition system 1, and Auto-matching snap ring moulding is basic
Scheme.Meanwhile software inhouse can form according to basic scheme combination patient oral cavity information and customize modeling scheme-data acquisition system 2.
Data acquisition system 2 continues through software operation formation and bends command information-data acquisition system 3.By data acquisition system 1 to data
The treatment process of set 3 can be integrated in a software, can also be realized respectively by different operational softwares.
Manufacturing process is completed using command information commander's snap ring manufacturing equipment of set 3.In a concrete scheme, manufacture
Equipment is mechanical arm.
The one aspect of the application is related to a kind of integrated production equipment of customization snap ring, which includes by above- mentioned information stream
It handles the software of information and obtains the equipment of information and the equipment using the manufacture of information auto-control.
Another face of the application is related to the snap ring prepared by the method for the invention, and the snap ring includes but unlimited
In: arrow clasp assists arrow clasp, incisor snap ring, bulb snap ring, Duyzings snap ring, half snap ring.
The another aspect of the application is related to the removable appliance prepared by snap ring of the present invention as accessory, removable appliance
Type include but is not limited to: early treatment appliance, adjuvant treatment appliance, bad habit appliance, space retainer, function
Energy property appliance, retainer etc..
Another aspect of the application relates to the use of the method that removable appliance of the invention carries out mouth cavity orthodontic, this method
The teenager that can be used for being in the tooth development stage can equally be well applied to the crowd for needing often to take rectifier.
The innovation of the application compared with the existing technology is: (1) establishing oral cavity Information Number by big data mode
According to processing model, doctor's clasp design experience is realized in such a way that software is handled, the clasp design period is substantially reduced, saves
Save limited Dentist resource, traditional manual bending clasp, which is got from patient information, to be generated finished product and need at least 1 week
Time, and the above-mentioned time is shorten to 1 day by way of the application automatic collection, processing information and automated production snap ring,
It is only bent in this step in snap ring, the production time can shorten to half an hour from 2 hours；(2) directly by snap ring moulding
Information parameter is converted into robot and automatically controls parameter, realizes the automatic realization of personalized snap ring production, has saved manufacture week
Phase improves the accuracy of manufacture, avoids the uncertainty and high cost of doctor's craft bending clasp or casting manufacture snap ring.(3) originally
Another significant contribution of application is snap ring shape data being changed to design parameter, and thereby determines that and need in Primary Stage Data acquisition
Parameter and later period fabrication order parameter, in different process procedures realize parameter conversion, thus realize adopted by data
The data flowing for collecting product manufacturing, realizes the combination of artificial intelligence analysis and automated manufacturing.(4) the snap ring moulding of the application
Design be it is novel, comprehensively considered orthodontic demand and aesthetic demands, by acquisition dental information in snap ring position and
Functional and aesthetic beauty double effects may be implemented during shape-designing, be more suitable for the use of teenager and the crowd that likes to be beautiful.
Detailed description of the invention
Fig. 1 is the application manufacturing process flow diagram.
Detailed description of the invention
The explanation of formula is extended to scheme involved in the application specific implementation process and principle below.
Data acquisition system 1
The conjunction of first group data set involved in preparation method of the present invention is patient oral cavity information.Before the present invention, usually
The oral cavity 3 D information obtaining method used includes dental impressions, radioscopic image or the CBCT image at oral cavity position and its right
The equipment answered.It is the problem is that need for above-mentioned three-dimensional information to be reused for the reconstruction of oral cavity model, such as building is three-dimensional
Number or entity tooth model.And the present invention is then unique has used specially designed mouth cavity scanner, with scanner
Scan head end optical module, the data acquisition system 1 for database retrieval can be obtained, wherein it is important that tooth, denture and
The information such as alveolar bone.The oral cavity three-dimensional information obtained using especially equipment of the invention, following parameters be it is particularly important, be also
It participates in operation and generates the parameter that the key parameter of snap ring build information is directed to: tooth shaft rake, tooth gradient, convexity, alveolus
The length, width and height etc. of bone, the above parameter are the parameters (referred to as therapeutic parameter) in therapeutic consideration；It additionally include abutment cheek
Axis ridge far middle concave region, proximal surface concave region, the information of tongue side concave region, these parameters belong to beautiful fixed bit area parameter (referred to as
Aesthetic region parameter), it is intended to by clasp design in these regions.
Data acquisition system 2
Data acquisition system 1 needs in Input Software 1, and retrieves in the database information of software inhouse storage, matches patient
Information simultaneously automatically generates snap ring and bends scheme.
The database is that the clinical scanning information obtained by ten hundreds of patient oral cavity scanning merges.These
The calculating that information participates in snap ring modeling scheme by way of mathematical modeling simultaneously generates.The calculation method passes through by doctor
The software design of participation and be cured in a data processing module.The algorithm of the data processing module is bent according to doctor
What the experience of snap ring and algorithm designer cooperated to complete, the patient teeth's information and snap ring that the inside includes, which bend information, to be had pair
It should be related to.
Software 1 may be integrally incorporated in the software systems of mouth cavity scanner, can also independent calculating equipment be carrier.
Data acquisition system 1 after database retrieval can obtain matching data acquisition system 2, i.e. snap ring bends letter
Breath.The set can be whole snap ring and bend information, be also possible to bend the group that information forms by multiple functional snap rings.It should
Data can be final snap ring and bend information, be also possible to preliminary clasp design information in some cases.
Therefore, in a preferred embodiment, snap ring build information being reaffirmed by doctor, obtain by amendment or
Data acquisition system 2. after the approval
In data acquisition system 2, the build information of snap ring depends on the type of Anchorage molar, the position of snap ring and number, snap ring
The factors such as type, need from corona height, tooth moving direction in practice, the power for needing to apply, the active force of occlusal surface is turned round
The functional requirement for turning the appliances such as single tooth sets out, and determines above-mentioned factor in conjunction with used active force component, so that it is determined that card
Ring moulding, these empirical conversions for passing through doctor are that algorithm is fixed in database.That is, above-mentioned factor and snap ring three-dimensional are made
Mathematical connection is established between type data, to pass through the output of software realization moulding data.That is, the information of data acquisition system 1 is defeated
Enter software, by Auto-matching and calculates generation snap ring modeling scheme.As previously mentioned, the scheme of snap ring moulding is not fully preparatory
It is set in software, the amendment of doctor can be passed through, therapeutic scheme and corresponding patient information after being corrected are chased after again
It is added in database, so that later retrieval and matching use.
The type of snap ring is also to correspond to generation according to above-mentioned dental information comprising arrow clasp assists arrow
Snap ring, incisor snap ring, bulb snap ring, Duyzings snap ring etc..It for aesthetic reasons, can be by snap ring shape-designing at cheek side
Short retention arm snap ring, tongue side maintenance cheek arm snap ring, tongue side maintenance L-type snap ring, tongue side maintenance J-type snap ring etc..
Snap ring build information is including forming various curved information, such as vertical loop, omega song, box loop, vertical pass
Song, T shape song etc. are closed, after these bending digitlizations, forms the calibration curve information being made of the point on countless three-dimensional space, each point
Three-dimensional coordinate XYZ is all corresponded to, these information have codetermined the type of snap ring, corresponding tooth type, the information such as length.This
Outside, snap ring gauge of wire is also one of parameter.
The information of data acquisition system 2 can be converted into general stl file format, to facilitate subsequent automated production.
Data acquisition system 3
Data acquisition system 3 is related to automatic control machine arm completion snap ring and bends movement, is counted by data acquisition system 2 by software 2
It calculates and realizes.Software 2 may be integrally incorporated in the software systems of mechanical arm, can also independent calculating equipment be carrier.
It should be pointed out that the instruction needs of control arm are compiled according to the specific structure and automatic control mode of arm
It writes.Therefore, another contribution of the invention is to be converted to snap ring build information into three-dimensional mechanical arm movement instruction.
In arm motion instruction, most important parameter is the moving parameter for moving clamp structure, including is moved along the x-axis, along Y
Axis is mobile, moves along Z axis, rotates around Y-axis, rotates around X-axis, rotates about the z axis, shares 6 each freedom degrees.
Mechanical arm
The snap ring manufacturing equipment or machine of the application can take the manipulator for being installed to pedestal or worktable support surface
The form of arm or robot.In one preferred embodiment, mechanical arm has first clamping device.The tool can be with
It fixes or is can be incorporated into moveable arm relative to pedestal.First clamping device has for keeping steel wire or other materials
The first clamp structure.The equipment further includes moveable arm, which has mounted to base portion and far from the first clamping work
Have the proximal part and free distal end part of a distance.It the free distal end part of moveable arm can be along at least one translation
Axis and at least one rotation axis are relative to the first clamping device self-movement.In specific embodiments, moveable arm
With one group of joint, allow the distal end of arm with the mobile 3 orthogonal translation axis of 6 freedom degrees and 3 orthogonal rotary axes.So
And required bending is formed depending on the property of medical device and in a device, it is possible to have less freedom degree, to drop
The cost and complexity of low equipment.Second clamping device is installed to the distal part of moveable arm.Second clamping device, which has, to be used for
Second clamp structure of the raw materials such as clamping steel wire.Therefore, steel wire is clamped by the first and second clamping devices, wherein second is removable
Clamping device can be moved along at least one translated axis line and at least one rotation axis relative to the first clamping device.
The movement of two clamping devices of mechanical arm provides instruction by mechanical arm control centre.Control centre receives and comes from
Schemes generation module bends command information file, and correspondingly operating movable arm and the first, second clamping device with shape
At a series of bendings and/or distortion.
In addition, mechanical arm can also include heating element, with the flexibility of reinforcing material in the process of bending, needed for reduction
The external force of application.
Snap ring manufacture system
An aspect of of the present present invention is related to a kind of integrated production equipment of comprehensive customization snap ring, which includes aforementioned patient's letter
Breath acquisition equipment, information searching module, info conversion module and snap ring curving apparatus.
Snap ring product
The functional component that can be used as appliance according to the snap ring that the application method manufactures can also be used as individual snap ring and produce
Product or semi-finished product use.Such as it can be used for producing in batches the preliminary manufacture snap ring for particular tooth, and be applied to doctor
In subsequent manual setting and correction scheme.
Removable appliance
The snap ring preparation method of the application is particularly suitable for various activities appliance, comprising:
Early treatment appliance --- Occlusal pad appliance (closes i.e. Bao Tian, inclined jaw for anti-tooth)；
Assisting in the treatment of appliance --- the upper jaw carries out appliance (for expanding dental arch), inclined guide plate appliance (for drawing
Lead lower jaw forward), flat guide plate appliance (be used to open conjunction of gritting one's teeth, force down lower labial teeth)；
Bad habit appliance --- lip gear (for limiting dental protrusion of going forward), tongue pierces (for limiting tongue thrusting)；
Gap of the space retainer for deciduous teeth early to take off is kept；
Functional appliance is used to promote or limit the growth and development and muscular function correction of jawbone；
Hawley retainer is used for the postoperative holding of Fixed Orthodontics.
In different types of removable appliance, the design of snap ring is necessarily different.Technical staff will be according to snap ring institute
The design scheme of the specific active force component adjustment snap ring of connection, this adjustment, which equally inputs the parameter as clasp design, to be counted
Calculation machine, and subsequent transformation bends instruction at steel wire.
Specific embodiment
A specific embodiment of the invention is described with reference to the accompanying drawing
Embodiment 1
The step of manufacturing method of removable appliance snap ring of the invention, is as follows:
(1) by with optical module mouth cavity scanner obtain tooth 3-dimensional image information, such as tooth, denture,
The information of alveolar bone: the scanning information file of 1 readable format of software is obtained, XXX1.sof is named as, is particularly wrapped in this document
Contained following parameter, tooth shaft rake A, tooth gradient B, convexity C, alveolar bone length, width and height D, abutment cheek axis ridge far in undercut position
Set E, proximal surface undercut zone position F, tongue side undercut zone position G.
(2) by the file Input Software 1 of sof format, which is information searching module, passes through the direct output software of operation
The message file of 2 readable formats, is named as XXX2.STL.This document contains snap ring build information, and parameter includes snap ring position
Information H, snap ring type information I, snap ring part build information J.
(3) the special mechanical arm of the stl file input present invention generated step (2), is carried soft by mechanical arm
The stl file is first converted to snap ring and bends command file XXX3.bat by part, provides the steel wire of preset size, and operation is mechanical
The execution program of arm bends the snap ring for obtaining and needing.
Bending for snap ring is completed by the arm that bends being connected on computer, and robot includes a master arm and one
Slave arm, slave arm hold and position arch wire, master arm according to the information in XXX3.bat in relation to arch wire turning point carry out by
One bends, and completes the production of individuation snap ring；The product that machine is bent can also be adjusted by the method bent by hand,
Angle and direction is bent a little and bent according to individuation clasp design, snap ring is carried out using manual instrument to bend molding.
(4) to snap ring progress polishing treatment appropriate is customized, snap ring finished product is obtained.
Embodiment 2
Basic step is same as Example 1, only after (2) step generates stl file, passes through observation snap ring three by doctor
It whether reasonable ties up structure decision modeling scheme, if unreasonable, snap ring modeling scheme is directly adjusted by software 2, is generated new
Stl file subsequently inputs the software systems of robotic arm.
The foregoing is merely alternative embodiments of the invention, are not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (19)
1. a kind of method for producing tooth movement appliance snap ring has following steps:
(1) patient oral cavity information data set 1 is obtained by mouth cavity scanner；
(2) data acquisition system 1 is directly inputted into information searching module and obtains matched snap ring build information data acquisition system 2；
(3) data acquisition system 2 is inputted info conversion module and obtains snap ring and bend command and data acquisition 3；
(4) data acquisition system 3 is inputted into the production of snap ring curving apparatus and customizes snap ring；
The information searching module includes database, and the database is by patient oral cavity information and corresponding snap ring build information
Composition.
2. method as described in claim 1, wherein data acquisition system 1 includes therapeutic parameter and aesthetic region parameter simultaneously.
3. method as claimed in claim 2, wherein therapeutic parameter includes: tooth shaft rake, tooth gradient, convexity, alveolar bone ruler
It is very little.
4. wherein aesthetic region parameter includes such as Claims 2 or 3 the method: the far middle concave region of abutment cheek axis ridge, proximal surface fall
Recessed area, tongue side concave region location information.
5. wherein data acquisition system 2 includes snap ring location parameter and bent ginseng simultaneously such as any one of claim 1-4 the method
Number.
6. method as claimed in claim 5, bending parameters include: vertical loop, omega song, box loop, vertical closing song, T shape
It is bent.
7. such as any one of claim 1-6 the method, wherein the snap ring curving apparatus is the six axis robot of software control
Arm.
8. such as any one of claims 1-7 the method, wherein the matching result obtained by information searching module through audit and
Data acquisition system 2 is formed after amendment.
9. the removable appliance snap ring produced by the method for any one of claim 1-8.
10. removable appliance snap ring as claimed in claim 9 comprising: arrow clasp, auxiliary arrow clasp, incisor snap ring,
Bulb snap ring, Duyzings snap ring, half snap ring.
11. including the removable appliance of the snap ring of claim 9 or 10.
12. removable appliance as claimed in claim 11, comprising: Occlusal pad appliance, the upper jaw carry out appliance, inclined guide plate
Appliance, flat guide plate appliance, lip gear, tongue thorn, space retainer, functional appliance, Hawley retainer.
13. a kind of integrated equipment for producing tooth and customizing removable appliance snap ring, including mouth cavity scanner, information retrieval mould
Block, info conversion module and snap ring curving apparatus, wherein information searching module includes database, and the database is by patient mouthful
Chamber information and corresponding clasp design information composition, information searching module realize patient oral cavity information data set 1 to card
The conversion of ring build information data acquisition system 2, info conversion module realize that data acquisition system 2 bends command and data acquisition 3 to snap ring
Conversion.
14. equipment as claimed in claim 13, wherein data acquisition system 1 includes therapeutic parameter and aesthetic region parameter simultaneously.
15. equipment as claimed in claim 14, wherein therapeutic parameter includes: tooth shaft rake, tooth gradient, convexity, alveolar bone
Size.
16. the equipment as described in claims 14 or 15, wherein aesthetic region parameter includes: abutment cheek axis ridge far in concave region, neighbour
The location information of face concave region, tongue side concave region.
17. the equipment as described in claim any one of 13-16, wherein data acquisition system 2 includes snap ring location parameter and bending simultaneously
Parameter.
18. equipment as claimed in claim 17, bending parameters include: vertical loop, omega song, box loop, vertical closing song, T
Shape is bent.
19. the equipment as described in claim any one of 13-18, wherein the snap ring curving apparatus is six shaft mechanicals of software control
Arm.
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| CN201810842804.4A CN109106457A (en) | 2018-07-27 | 2018-07-27 | A kind of manufacturing method of the tooth movement appliance snap ring based on precision customization |
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| CN201810842804.4A CN109106457A (en) | 2018-07-27 | 2018-07-27 | A kind of manufacturing method of the tooth movement appliance snap ring based on precision customization |
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| CN201810842804.4A Pending CN109106457A (en) | 2018-07-27 | 2018-07-27 | A kind of manufacturing method of the tooth movement appliance snap ring based on precision customization |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984854A (en) * | 2019-04-08 | 2019-07-09 | 上海精功齿科技术有限公司 | A kind of production method of Halley's formula retainer based on 3D printing |
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