CN106983568A - One kind digitlization appliance and its forming method - Google Patents

One kind digitlization appliance and its forming method Download PDF

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Publication number
CN106983568A
CN106983568A CN201710218163.0A CN201710218163A CN106983568A CN 106983568 A CN106983568 A CN 106983568A CN 201710218163 A CN201710218163 A CN 201710218163A CN 106983568 A CN106983568 A CN 106983568A
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CN
China
Prior art keywords
appliance
maxillar
lower jaw
model
initial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710218163.0A
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Chinese (zh)
Inventor
程思邈
康璇
李兰艳
李霖
张朝标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Times Kang Beauty Medical Agel Ecommerce Ltd
Shenzhen Becoming Medical eCommerce Co Ltd
Original Assignee
Shenzhen Times Kang Beauty Medical Agel Ecommerce Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Times Kang Beauty Medical Agel Ecommerce Ltd filed Critical Shenzhen Times Kang Beauty Medical Agel Ecommerce Ltd
Priority to CN201710218163.0A priority Critical patent/CN106983568A/en
Publication of CN106983568A publication Critical patent/CN106983568A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00Processes of additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/753Medical equipment; Accessories therefor

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Dentistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The invention discloses one kind digitlization appliance and its forming method, including:The maxillar part that press mold shaping is obtained, for being arranged and being fixed on the upper jaw;The lower jaw part that press mold shaping is obtained, for being arranged and being fixed on lower jaw, the lower jaw part is arranged at maxillar part lower end and be bonded by intraoral bonding agent with the maxillar part;Wherein, the length of the maxillar part is more than the length of lower jaw part.The present invention digitizes appliance by Design of digital, and the arrangement and the elongation of backteeth of lower labial teeth while lower labial teeth is forced down, can be carried out when wearing, and the work flow of the digitlization appliance is more simplified, and soft using material, applicable user wears.

Description

One kind digitlization appliance and its forming method
Technical field
The present invention relates to orthodontic technical field, more particularly to a kind of digitlization appliance and its forming method.
Background technology
Dental appliance is used for the uneven patient of straightening of teeth, recovers the need attractive in appearance of patient by tooth movement appliance Ask and functional requirement, traditional appliance uses flat guide plate appliance, such appliance processing when forcing down patient's mandibular anterior teeth Flow is cumbersome, has a strong impact on attractive in appearance, and because material is harder, wear comfort is poor, and straightening of teeth function is single.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide one kind digitlization appliance and its shaping side Method, it is intended to solve traditional appliance in the prior art such to rectify using flat guide plate appliance when forcing down patient's mandibular anterior teeth Control the defect that device work flow is cumbersome, rapidoprint is harder and appliance straightening of teeth function is single.
Technical scheme is as follows:
One kind digitlization appliance, wherein, including:
The maxillar part that press mold shaping is obtained, for being arranged and being fixed on the upper jaw;
The obtained lower jaw part of press mold shaping, for being arranged and being fixed on lower jaw, the lower jaw part be arranged at maxillar part lower end and with The maxillar part is bonded by intraoral bonding agent;
Wherein, the length of the maxillar part is more than the length of lower jaw part.
The digitlization appliance, wherein, the left side and/or right side of the maxillar part are provided with lug boss.
The digitlization appliance, wherein, 4 lug bosses are provided with the left of the maxillar part.
The digitlization appliance, wherein, 4 lug bosses are provided with the right side of the maxillar part.
The digitlization appliance, wherein, the thickness of the lug boss is 0.1-0.5mm.
A kind of forming method for digitizing appliance, wherein, it the described method comprises the following steps:
S1, obtain intraoral initial model by intraoral scanner, the intraoral initial model is received after the adjust instruction of user Tooth maxillar part model and tooth lower jaw part model are divided into intraoral correction model, and by intraoral correction model;
S2, according to tooth maxillar part model carry out 3D printing obtain initial maxillar part model, according to tooth lower jaw part model carry out 3D printing obtains initial lower jaw part model;
S3, initial maxillar part model is placed in film laminator, and diaphragm is placed in above initial maxillar part model, passed through and be pressurized pressure Film obtains maxillar part;Initial lower jaw part model is placed in film laminator, and diaphragm is placed in above initial maxillar part model, is passed through Supercharging press mold obtains initial lower jaw part;
S4, the left end of initial lower jaw part is removed to the first length specified, and the right-hand member of initial lower jaw part is removed to the specified Two length, obtain lower jaw part;
It is S5, maxillar part is be bonded by intraoral bonding agent with lower jaw part, obtain digitizing rectifier.
The forming method of the digitlization appliance, wherein, also include after the step S5:
S6, the side wall that on the left of maxillar part and/or right side is clamped by one end for the metal pliers of L-type, are obtained with lug boss Digitize appliance;Wherein described lug boss is used to accommodate annex used in orthodontic.
The forming method of the digitlization appliance, wherein, the metal pliers specifically include the first tong arm and clamped with first The second tong arm that arm is hinged;First tong arm includes L-type binding clip, the first articulated section and the first handle set gradually;It is described Second tong arm includes linear pattern binding clip, the second articulated section and the second handle set gradually;First articulated section and the second hinge Socket part is by being hinged fixation.
The forming method of the digitlization appliance, wherein, the left side and/or right side of the maxillar part are provided with 4 Lug boss.
The forming method of the digitlization appliance, wherein, the thickness of the lug boss is 0.1-0.5mm.
Digitlization appliance and its forming method provided by the present invention, including:The maxillar part that press mold shaping is obtained, is used for It is arranged and is fixed on the upper jaw;The lower jaw part that press mold shaping is obtained, for being arranged and being fixed on lower jaw, the lower jaw part is arranged at Jaw subordinate end is simultaneously be bonded by intraoral bonding agent with the maxillar part;Wherein, the length of the maxillar part is more than the length of lower jaw part Degree.The present invention digitizes appliance by Design of digital, and can carry out lower labial teeth while lower labial teeth is forced down when wearing Arrangement and backteeth elongation, and the work flow of the digitlization appliance is more simplified, soft using material, is applicable user and wears Wear.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention for digitizing appliance preferred embodiment.
Fig. 2 is the flow chart of the forming method preferred embodiment of digitlization appliance of the present invention.
Fig. 3 is the structure chart of metal pliers in the forming method of the present invention for digitizing appliance.
Embodiment
The present invention provides a kind of digitlization appliance and its forming method, to make the purpose of the present invention, technical scheme and effect Fruit is clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only Only to explain the present invention, it is not intended to limit the present invention.
Fig. 1 is refer to, it is the structure chart of the present invention for digitizing appliance preferred embodiment.As shown in figure 1, described Digitlization appliance includes:
The maxillar part 10 that press mold shaping is obtained, for being arranged and being fixed on the upper jaw;
The lower jaw part 20 that press mold shaping is obtained, for being arranged and being fixed on lower jaw, the lower jaw part 20 is arranged under maxillar part 10 Hold and be bonded by intraoral bonding agent with the maxillar part 10;
Wherein, the length of the maxillar part 10 is more than the length of lower jaw part 20.
In embodiments of the invention, the digitlization appliance obtained by Design of digital, its feature is maxillar part 10 It is complete and be adapted with patient teeth's upper jaw, and lower jaw part 20 is then comparable to the interlude of complete lower jaw part.Maxillar part 10 is Nian Jie and obtain described by the intraoral bonding agent such as TF non-mixing types orthodontic adhesive or Beijing-Tianjin enamel bonding agent with lower jaw part Digitize appliance.Have the advantage that through the above way, patient can enter when wearing while lower labial teeth is forced down The arrangement and the elongation of backteeth of the lower labial teeth of row, and the work flow of the digitlization appliance is more simplified, it is soft using material, fit Worn with user.
It is preferred that, as shown in figure 1, the left side and/or right side of the maxillar part 10 are provided with lug boss 11.The projection Portion 11 then needs fixed various annexes on tooth surfaces for being contained in during orthodontic, the chi of the lug boss 11 It is very little to be adapted with the size of annex.
Specifically, in the digitlization appliance, the left side of the maxillar part 10 is provided with 4 lug bosses.On described The right side in jaw portion 10 is provided with 4 lug bosses.By setting 4 lug bosses in the left side of maxillar part 10 and/or right side, you can full The demand of the fixed sufficient amount annex of foot.Preferably, the thickness of the lug boss 11 is 0.1-0.5mm.
Based on above-mentioned digitlization appliance, present invention also offers a kind of forming method for digitizing appliance.It refer to Fig. 2 its for it is of the present invention digitlization appliance forming method preferred embodiment flow chart.As shown in Fig. 2 the numeral The forming method for changing appliance comprises the following steps:
Step S1, intraoral initial model is obtained by intraoral scanner, the intraoral initial model receives the adjust instruction of user After obtain intraoral correction model, and intraoral correction model is divided into tooth maxillar part model and tooth lower jaw part model;
Step S2, according to tooth maxillar part model carry out 3D printing obtain initial maxillar part model, according to tooth lower jaw part model Carry out 3D printing and obtain initial lower jaw part model;
Step S3, initial maxillar part model is placed in film laminator, and diaphragm is placed in above initial maxillar part model, passed through and increase Pressure press mold obtains maxillar part;Initial lower jaw part model is placed in film laminator, and diaphragm is placed in above initial maxillar part model, Initial lower jaw part is obtained by being pressurized press mold;
Step S4, the first length for specifying the left end removal of initial lower jaw part, and the right-hand member removal of initial lower jaw part is specified The second length, obtain lower jaw part;
It is step S5, maxillar part is be bonded by intraoral bonding agent with lower jaw part, obtain digitizing rectifier.
In embodiments of the invention, intraoral initial model is obtained by the intraoral scanner of Trios models, using small Probe stretches into patient oral cavity and carries out uniform scanning along the corona bridge work surface of patient, can quickly and accurately scan Intraoral truth, that is, obtained intraoral initial model.Intraoral initial model will be obtained by the intraoral scanner of Trios models The row's of progress tooth design in 3Shape Dental System softwares is imported, intraoral correction model is obtained.
Intraoral correction model is divided into tooth maxillar part model and tooth lower jaw part in Dental System softwares again Model.The initial maxillar part model of printing and initial lower jaw part model now can be successively accumulated by DLP-3D printing instruments;Wherein, often One layer of printing piling height is 0.05mm.More specifically, i.e., 3D printing is carried out according to tooth maxillar part model to obtain on initial Jaw portion model, carries out 3D printing according to tooth lower jaw part model and obtains initial lower jaw part model.
The liquid bath of resin can be accommodated comprising one in DLP-3D printing instruments, can be by the ultraviolet light of specific wavelength for holding Irradiate the resin of solidify afterwards(Such as polymethyl methacrylate), DLP imaging systems are placed in below liquid bath, and its imaging surface is placed exactly in Liquid bath bottom, by energy and Graph Control, each curable certain thickness(Such as 0.05mm)And the pellicular resins of shape(The layer Resin is identical with the cross-sectional shape obtained by above cutting).One shift mechanism is set above liquid bath, and each section has exposed Into rear upward lifting certain altitude(This is highly consistent with lift height)So that the solid resin of current curing completion and liquid bath bottom Face separates and is bonded on the resin bed that lifting plate or last time are molded, and is so generated by successively exposing and being lifted three-dimensional real Body.
Specifically include in step s3:
Step S31, diaphragm is placed in film laminator preheated;Wherein, preheating temperature is 300 ~ 400 DEG C, and preheating time is 25- 35s;
It is pressurized in step S32, the closing space for forming diaphragm and film laminator, is pressurized to 2.5 ~ 2.7MPa;
Step S33, initial maxillar part model is placed in film laminator and positioned at the lower section of the diaphragm;
Step S34, diaphragm pushed, until diaphragm is placed on initial maxillar part model, obtain maxillar part;
Step S35, diaphragm is placed in film laminator preheated;Wherein, preheating temperature is 300 ~ 400 DEG C, and preheating time is 25- 35s;
It is pressurized in step S36, the closing space for forming diaphragm and film laminator, is pressurized to 2.5 ~ 2.7MPa;
Step S37, initial lower jaw part model is placed in film laminator and positioned at the lower section of the diaphragm;
Step S38, diaphragm pushed, until diaphragm is placed on initial lower jaw part model, obtain initial lower jaw part.
Optimal, in the step S31 and the step S35, preheating temperature is 350 DEG C, and preheating time is 30s;It is described 2.6MPa is pressurized in step S32 and in step S36 in closing space.In step S34 and step S38, diaphragm is pushed Pressing time is 30-60s.Optimal, in step S34 and step S38, the pressing time that diaphragm is pushed is 40s.
In step s 4, the left end for cutting initial lower jaw part by scissors removes the first length for specifying, and will it is initial under The right-hand member in jaw portion removes the second length specified, so that it may obtain lower jaw part.
Further, also include after the step S5:
Step S6, the side wall that on the left of maxillar part and/or right side is clamped by one end for the metal pliers of L-type, obtain having projection The digitlization appliance in portion;Wherein described lug boss is used to accommodate annex used in orthodontic.
As shown in figure 3, the second tong arm 200 that the metal pliers specifically include the first tong arm 100 and are hinged with the first tong arm; First tong arm 100 includes L-type binding clip 110, the first articulated section 120 and the first handle 130 set gradually;Second pincers Arm 200 includes linear pattern binding clip 210, the second articulated section 220 and the second handle 230 set gradually;First articulated section 120 With the second articulated section 220 by being hinged fixation.
The side wall on the left of maxillar part and/or right side, more particularly L are clamped for the metal pliers of L-type by above-mentioned one end Type binding clip 110 is located at the madial wall on the left of maxillar part and/or right side, linear pattern binding clip 210 and is located on the left of maxillar part and/or right side Lateral wall, just can be quick on the left of maxillar part and/or on the side wall on right side with first handle 130 or second handle 230 is forced Form the lug boss for accommodating annex used in orthodontic.
It is preferred that, in the forming method of the digitlization appliance, the left side and/or right side of the maxillar part are respectively provided with There are 4 lug bosses.The thickness of the lug boss is 0.1-0.5mm.The material of the maxillar part is polymethyl methacrylate.Institute The material for stating lower jaw part is polymethyl methacrylate.
In summary, digitlization appliance and its forming method provided by the present invention, including:It is upper that press mold shaping is obtained Jaw portion, for being arranged and being fixed on the upper jaw;The lower jaw part that press mold shaping is obtained, for being arranged and being fixed on lower jaw, the lower jaw Portion is arranged at maxillar part lower end and be bonded by intraoral bonding agent with the maxillar part;Wherein, the length of the maxillar part is more than The length of lower jaw part.The present invention by Design of digital digitize appliance, and when wearing can while lower labial teeth is forced down, The arrangement and the elongation of backteeth of lower labial teeth are carried out, and the work flow of the digitlization appliance is more simplified, it is soft using material, Applicable user wears.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention Protect scope.

Claims (10)

1. one kind digitlization appliance, it is characterised in that including:
The maxillar part that press mold shaping is obtained, for being arranged and being fixed on the upper jaw;
The obtained lower jaw part of press mold shaping, for being arranged and being fixed on lower jaw, the lower jaw part be arranged at maxillar part lower end and with The maxillar part is bonded by intraoral bonding agent;
Wherein, the length of the maxillar part is more than the length of lower jaw part.
2. appliance is digitized according to claim 1, it is characterised in that the left side and/or right side of the maxillar part are all provided with It is equipped with lug boss.
3. appliance is digitized according to claim 2, it is characterised in that 4 projections are provided with the left of the maxillar part Portion.
4. appliance is digitized according to claim 2, it is characterised in that 4 projections are provided with the right side of the maxillar part Portion.
5. appliance is digitized according to claim 3 or 4, it is characterised in that the thickness of the lug boss is 0.1- 0.5mm。
6. a kind of forming method for digitizing appliance, it is characterised in that the described method comprises the following steps:
S1, obtain intraoral initial model by intraoral scanner, the intraoral initial model is received after the adjust instruction of user Tooth maxillar part model and tooth lower jaw part model are divided into intraoral correction model, and by intraoral correction model;
S2, according to tooth maxillar part model carry out 3D printing obtain initial maxillar part model, according to tooth lower jaw part model carry out 3D printing obtains initial lower jaw part model;
S3, initial maxillar part model is placed in film laminator, and diaphragm is placed in above initial maxillar part model, passed through and be pressurized pressure Film obtains maxillar part;Initial lower jaw part model is placed in film laminator, and diaphragm is placed in above initial maxillar part model, is passed through Supercharging press mold obtains initial lower jaw part;
S4, the left end of initial lower jaw part is removed to the first length specified, and the right-hand member of initial lower jaw part is removed to the specified Two length, obtain lower jaw part;
It is S5, maxillar part is be bonded by intraoral bonding agent with lower jaw part, obtain digitizing rectifier.
7. the forming method of appliance is digitized according to claim 6, it is characterised in that also wrapped after the step S5 Include:
S6, the side wall that on the left of maxillar part and/or right side is clamped by one end for the metal pliers of L-type, are obtained with lug boss Digitize appliance;Wherein described lug boss is used to accommodate annex used in orthodontic.
8. the forming method of appliance is digitized according to claim 6, it is characterised in that the metal pliers specifically include the One tong arm and the second tong arm being hinged with the first tong arm;First tong arm includes L-type binding clip, the first articulated section set gradually And first handle;Second tong arm includes linear pattern binding clip, the second articulated section and the second handle set gradually;Described first Articulated section and the second articulated section are by being hinged fixation.
9. according to claim 6 digitize appliance forming method, it is characterised in that the left side of the maxillar part and/ Or right side is provided with 4 lug bosses.
10. the forming method of appliance is digitized according to claim 6, it is characterised in that the thickness of the lug boss is 0.1-0.5mm。
CN201710218163.0A 2017-04-05 2017-04-05 One kind digitlization appliance and its forming method Pending CN106983568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710218163.0A CN106983568A (en) 2017-04-05 2017-04-05 One kind digitlization appliance and its forming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710218163.0A CN106983568A (en) 2017-04-05 2017-04-05 One kind digitlization appliance and its forming method

Publications (1)

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CN106983568A true CN106983568A (en) 2017-07-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019174383A1 (en) * 2018-03-16 2019-09-19 无锡时代天使医疗器械科技有限公司 Shell-shaped dental instrument and shell-shaped body thereof
CN110435055A (en) * 2019-08-08 2019-11-12 爱迪特(秦皇岛)科技股份有限公司 A kind of production method of invisible orthotic device
CN111012530A (en) * 2019-11-08 2020-04-17 杭州一牙数字口腔有限公司 Method and mould for manufacturing invisible appliance with complex structure accessory
CN111571033A (en) * 2020-05-29 2020-08-25 上海正雅齿科科技股份有限公司 Laser cutting system for preparing shell-shaped tooth appliance and preparation method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201668522U (en) * 2010-01-11 2010-12-15 西安交通大学口腔医院 Vacuum-molded improved FRIII type appliance
CN202892115U (en) * 2012-11-19 2013-04-24 曾振文 Positioning adjusting nipper for invisible orthodontic tooth socket
CN204581556U (en) * 2015-04-22 2015-08-26 无锡时代天使医疗器械科技有限公司 A kind of oral appliance
CN106037958A (en) * 2016-07-16 2016-10-26 上海正雅齿科科技有限公司 Preparation method of multilayer braces
CN106137417A (en) * 2015-04-22 2016-11-23 无锡时代天使医疗器械科技有限公司 Oral appliance manufacture method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201668522U (en) * 2010-01-11 2010-12-15 西安交通大学口腔医院 Vacuum-molded improved FRIII type appliance
CN202892115U (en) * 2012-11-19 2013-04-24 曾振文 Positioning adjusting nipper for invisible orthodontic tooth socket
CN204581556U (en) * 2015-04-22 2015-08-26 无锡时代天使医疗器械科技有限公司 A kind of oral appliance
CN106137417A (en) * 2015-04-22 2016-11-23 无锡时代天使医疗器械科技有限公司 Oral appliance manufacture method
CN106037958A (en) * 2016-07-16 2016-10-26 上海正雅齿科科技有限公司 Preparation method of multilayer braces

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019174383A1 (en) * 2018-03-16 2019-09-19 无锡时代天使医疗器械科技有限公司 Shell-shaped dental instrument and shell-shaped body thereof
CN110435055A (en) * 2019-08-08 2019-11-12 爱迪特(秦皇岛)科技股份有限公司 A kind of production method of invisible orthotic device
CN110435055B (en) * 2019-08-08 2021-04-06 爱迪特(秦皇岛)科技股份有限公司 Manufacturing method of invisible orthodontic appliance
CN111012530A (en) * 2019-11-08 2020-04-17 杭州一牙数字口腔有限公司 Method and mould for manufacturing invisible appliance with complex structure accessory
CN111571033A (en) * 2020-05-29 2020-08-25 上海正雅齿科科技股份有限公司 Laser cutting system for preparing shell-shaped tooth appliance and preparation method

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Application publication date: 20170728

Assignee: ShenZhen KTJ Dental Lab, Inc.

Assignor: Shenzhen times Kang beauty medical Agel Ecommerce Ltd

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