CN114983596A - Method for manufacturing oral cavity tray positioner based on 3D printing technology - Google Patents
Method for manufacturing oral cavity tray positioner based on 3D printing technology Download PDFInfo
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- CN114983596A CN114983596A CN202210415723.2A CN202210415723A CN114983596A CN 114983596 A CN114983596 A CN 114983596A CN 202210415723 A CN202210415723 A CN 202210415723A CN 114983596 A CN114983596 A CN 114983596A
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- oral cavity
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- patient
- model
- positioner
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- 210000000214 mouth Anatomy 0.000 title claims abstract description 76
- 238000010146 3D printing Methods 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000012937 correction Methods 0.000 claims abstract description 21
- 238000013499 data model Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000007639 printing Methods 0.000 claims abstract description 4
- 238000002591 computed tomography Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- 206010061274 Malocclusion Diseases 0.000 description 8
- 238000011161 development Methods 0.000 description 4
- 238000013473 artificial intelligence Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000025157 Oral disease Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 208000030194 mouth disease Diseases 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000000007 visual effect Effects 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
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/146—Positioning or placement of brackets; Tools therefor
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- A61B6/51—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
-
- 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
- A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
- A61C7/14—Brackets; Fixing brackets to teeth
- A61C7/16—Brackets; Fixing brackets to teeth specially adapted to be cemented to teeth
Abstract
The invention discloses a method for manufacturing an oral cavity tray positioner based on a 3D printing technology, which belongs to the technical field of methods for manufacturing medical instruments and comprises the steps of collecting oral cavity data of a patient; establishing a three-dimensional model of the oral cavity of the patient according to the data; determining the positions of the oral cavity tray positioner and the correcting guide plate on the oral cavity model of the patient according to the data; establishing an oral cavity tray positioner data model according to the positions of the oral cavity tray positioner and the correction guide plate and the oral cavity model of the patient; supporting and slicing the data model of the oral cavity slot supporting positioner to obtain three-dimensional digital slice data; and importing the slice data obtained after data processing into a 3D printer, and printing and forming to obtain the oral cavity supporting groove positioner. The oral cavity supporting groove positioner is manufactured by a 3D printing technology, can completely conform to the oral cavity of a patient, is accurate in positioning, reduces human errors, and is diversified in appearance, stronger in functional structure, higher in strength and convenient to use.
Description
Technical Field
The invention belongs to the technical field of manufacturing methods of medical instruments, and particularly relates to a manufacturing method of an oral cavity supporting groove positioner based on a 3D printing technology.
Background
Orthodontics is an important branch subject in stomatology, is an independent subject for researching symptoms and causes of development and disease, examination, diagnosis, prevention and treatment of malocclusion, and is a science for researching biology and biomechanics of occurrence and development of malocclusion, diagnosis and treatment of malocclusion, and correction of malocclusion. Malocclusion deformity is listed as one of three oral diseases by the World Health Organization (WHO), the domestic incidence rate is 52-73%, but only 17% of patients are subjected to orthodontic treatment, the oral function of the patients is seriously affected, the appearance is attractive, and the physical and mental health of the patients is affected. With the rapid improvement of the living standard of people in China, the requirements of people on the correction of malocclusion deformity are increasingly urgent.
At present, most of the methods for correcting the malocclusion deformity are fixed correction, and the number of brackets used in the market is more than 180 hundred million each year. The use of the existing bracket has the following problems: 1) the sticking of the bracket is mainly finished by the manual evaluation experience of an orthodontist and positioning, and some positioning errors are easy to generate; 2) the operation time beside the full-mouth bracket chair is too long, and the workload of doctors is large in the period of cold and summer holiday; 3) in the later stage of correction, the bracket is required to be bonded again because the patient has improper eating or the bracket falls off due to other reasons, so that the original accurate position is difficult to reach, and the clinically, the bracket is required to be re-used again by using a thin wire, so that the correction time is prolonged. Therefore, accurate bracket positioning is very important and is a necessary condition for achieving a fast and ideal correcting effect. Improper bracket pasting positions can cause the problems of poor occlusion relation, non-parallel tooth root arrangement, poor adjacent surface contact, food impaction and the like, so that the problems are solved by repositioning the bracket in later fine adjustment, and the difficulty and time for correction are increased by the reciprocating operation.
With the development and maturity of scientific technology, more and more stomatologists are beginning to apply computer technology to various aspects of stomatology clinics, teaching and scientific research. In the future, artificial intelligence will change the existing oral medical treatment mode, and guide new directions for further development of oral medicine, for example, the da vinci robot can assist oral and maxillofacial surgery to carry out treatment of tumor surgery, and the oral implant operation robot can help doctors to carry out tooth implant operation, thereby reducing the traditional dependence on the professional degree of the oral doctors. Therefore, the introduction of artificial intelligence into oral clinical operations is also a trend in the oral industry.
Disclosure of Invention
The invention aims to provide a method for manufacturing an oral cavity tray positioner based on a 3D printing technology, aiming at the defects in the prior art, the 3D printing oral cavity tray positioner which completely accords with the oral cavity of a patient is customized through the 3D printing technology, the positioning is accurate, the functional structure is stronger, the strength is higher, and the use is convenient.
In order to achieve the purpose, the invention adopts the technical scheme that:
a manufacturing method of an oral cavity tray positioner based on a 3D printing technology comprises the following steps:
s1: scanning the oral cavity of a patient and collecting the oral cavity data of the patient;
s2: carrying out three-dimensional modeling on the oral cavity of the patient according to the collected data, and establishing a model of the oral cavity of the patient;
s3: determining the positions of the oral cavity tray positioner and the correcting guide plate on the oral cavity model of the patient according to the data;
s4: establishing an oral cavity tray positioner data model according to the positions of the oral cavity tray positioner and the correction guide plate and the oral cavity model of the patient;
s5: adding a support structure to the suspended part of the model according to the data model of the oral cavity slot supporting positioner, and carrying out slicing processing on the data model of the oral cavity slot supporting positioner to obtain three-dimensional digital slice-cutting data;
s6: and importing the slice data obtained after data processing into a 3D printer, and printing and forming to obtain the oral cavity supporting groove positioner.
In step S1, the oral cavity data of the patient includes CT scan data and oral scan data of the oral cavity of the patient.
In step S3, before determining the positions of the oral cavity socket positioner and the correction guide plate, the reasonability of the model of the oral cavity of the patient needs to be checked according to the collected data, and if the model is not reasonable, the step S2 needs to be repeated to perform model adjustment and reconstruction.
In step S6, the obtained oral cavity tray positioner needs to be ground and removed from the support.
Compared with the prior art, the invention has the following beneficial effects:
1) the oral cavity tray positioner is manufactured by a 3D printing technology, can completely conform to the oral cavity of a patient, can effectively improve positioning accuracy and reduce human errors by previewing a model, and is diversified in appearance, stronger in functional structure, higher in strength and convenient to use;
2) the invention adopts the 3D printing technology, can be kept on the initial research model after the complete oral bracket is firstly pasted, can be independently taken out and then bonded when a certain bracket is improperly fallen off in the treatment process, can be repeatedly used after disinfection, and effectively ensures the treatment effect and the curative effect.
Detailed Description
The invention will now be described in detail with reference to specific embodiments, illustrative examples of which are set forth herein to illustrate, but are not to be construed as limiting the invention.
For a better understanding of the invention, it is specified that the invention is illustrated in the following points of view:
description of the first, scheme
The invention discloses a method for manufacturing an oral cavity tray positioner based on a 3D printing technology, which comprises the following steps:
s1: scanning the oral cavity of a patient, and collecting CT scanning data and oral scanning data of the oral cavity of the patient;
s2: carrying out three-dimensional modeling on the oral cavity of the patient according to the collected data, and establishing a model of the oral cavity of the patient;
s3: checking the reasonability of the oral cavity model of the patient according to the collected data, and if the model is unreasonable, repeating the step S2 to adjust and reconstruct the model;
s4: accurately positioning the positions of the oral cavity tray positioner and the correcting guide plate on the oral cavity model which is completely modeled by one-to-one accurate data according to the suggestion of a doctor and the condition of a patient;
s5: establishing an oral cavity tray positioner data model according to the positions of the oral cavity tray positioner and the correction guide plate and the oral cavity model of the patient;
s6: adding a support structure to the suspended part of the model according to the data model of the oral cavity slot supporting positioner, and carrying out slicing processing on the data model of the oral cavity slot supporting positioner to obtain three-dimensional digital slice-cutting data;
s7: importing the slice data obtained after data processing into a 3D printer, and printing and forming to obtain the oral cavity tray positioner;
s8: and (5) grinding and supporting removal treatment is carried out on the oral cavity tray positioner prepared in the step (S7).
Secondly, the problem of sticking brackets at present:
1. the bracket is inaccurate in positioning, the sticking of the bracket is mainly completed by manual evaluation experience of an orthodontist, and some positioning errors are easy to generate.
2. The operation time beside the full-mouth bracket chair is too long, and the workload of doctors is large in the period of peak holidays of summer and chills.
3. Different manufacturers have different bracket technical parameters of different brands, and clinicians cannot completely master the bracket technical parameters and often rely on personal experience to complete bracket sticking operation.
4. The visual angles of the teeth on the left side and the right side are different due to the operation positions beside the chair of a doctor, and obvious difference exists, so that accurate positioning operation is not easy.
5. In the step of sticking the bracket, the tooth surface needs to be acid-etched, the range of acid etching cannot be accurately controlled, the large acid-etched area damages the normal tooth surface, and the small acid-etched area affects the bonding effect.
6. Different doctors have uneven levels and larger errors of positioning and sticking brackets. That is, the same doctor is difficult to reach the same position in different operations at different times, which also affects the final correction effect.
7. In the later stage of correction, the bracket is required to be bonded again because the patient has improper food or the bracket falls off due to other reasons, the original accurate position is difficult to reach, and the bracket is required to be re-used again clinically. This tends to prolong the time of correction.
8. The positioning and bonding of the bracket in the lingual correction technology are usually completed through an indirect bonding technology, the operation of the bracket is time-consuming, the patient cannot complete the positioning and bonding at one time, and the patient needs to perform secondary hospital-entering operation. Similarly, even though the positioning is carried out on the plaster model, the positioning is also carried out manually by a doctor or a technique, and operation errors exist, so that the correction effect is influenced.
Thirdly, the 3D printing oral cavity tray positioner has the following advantages:
1. the ideal position of each bracket can be accurately positioned, and the artificial errors are reduced.
2. Can stick the half-mouth bracket simultaneously, greatly improves work efficiency and saves clinical operation time.
3. The lingual correction also occupies a large part in orthodontic treatment, and the correct positioning and bonding of the bracket can greatly improve the correction efficiency.
4. The device can be kept on an initial research model after being pasted with a complete oral bracket for the first time, when a certain bracket is improperly fallen off in the treatment process, the bracket can be taken out and bonded, and the device can be repeatedly used after being sterilized so as to ensure the treatment effect and the curative effect.
Fourthly, feasibility analysis of the 3D printing bracket pasting device:
maturity of 3D printing technology.
2. Fixed correction is the most used technique in the current correction technique, and has wide use space.
3. The serious shortage of orthodontists and the increase of malocclusion patients and the increasingly serious contradiction lead to the inaccurate bracket positioning of a plurality of unqualified stomatologists engaged in orthodontic treatment, thereby seriously influencing the orthodontic treatment effect.
4. The maturity and the popularization of computer and artificial intelligence technique for hold in palm groove positioner are very conveniently popularized in the clinic in each place, and professional third party artificial tooth processing factory, oral cavity die factory still the processing workshop of clinic oneself all can conveniently produce with the help of data scanning, transmission technique and 3D printing apparatus, and the cost is controllable, easily puts into application.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the principles of the embodiments of the present invention.
Claims (4)
1. A manufacturing method of an oral cavity tray positioner based on a 3D printing technology is characterized by comprising the following steps:
s1: scanning the oral cavity of a patient and collecting the oral cavity data of the patient;
s2: carrying out three-dimensional modeling on the oral cavity of the patient according to the collected data, and establishing a model of the oral cavity of the patient;
s3: determining the positions of the oral cavity tray positioner and the correcting guide plate on the oral cavity model of the patient according to the data;
s4: establishing an oral cavity tray positioner data model according to the positions of the oral cavity tray positioner and the correction guide plate and the oral cavity model of the patient;
s5: adding a support structure to the suspended part of the model according to the data model of the oral cavity slot-holding positioner, and carrying out slicing processing on the data model of the oral cavity slot-holding positioner to obtain three-dimensional digital slice-cutting data;
s6: and importing the slice data obtained after data processing into a 3D printer, and printing and forming to obtain the oral cavity supporting groove positioner.
2. The method for manufacturing an oral cavity tray positioner according to claim 1, wherein in step S1, the oral cavity data of the patient includes CT scan data and oral scan data of the oral cavity of the patient.
3. The method for manufacturing an oral cavity tray positioner based on 3D printing technology according to claim 1, wherein in step S3, before the positions of the oral cavity tray positioner and the correction guide plate are determined, the reasonability of the model of the oral cavity of the patient needs to be checked according to the collected data, and if the model is not reasonable, the step S2 needs to be repeated to perform model adjustment reconstruction.
4. The method for manufacturing an oral cavity tray positioner based on 3D printing technology as claimed in claim 1, wherein in step S6, the rough blank of the oral cavity tray positioner is ground and removed from the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210415723.2A CN114983596A (en) | 2022-04-20 | 2022-04-20 | Method for manufacturing oral cavity tray positioner based on 3D printing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210415723.2A CN114983596A (en) | 2022-04-20 | 2022-04-20 | Method for manufacturing oral cavity tray positioner based on 3D printing technology |
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| Publication Number | Publication Date |
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| CN114983596A true CN114983596A (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202210415723.2A Pending CN114983596A (en) | 2022-04-20 | 2022-04-20 | Method for manufacturing oral cavity tray positioner based on 3D printing technology |
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| CN (1) | CN114983596A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260336A (en) * | 2016-04-07 | 2017-10-20 | 无锡时代天使医疗器械科技有限公司 | Dental appliance tool |
| CN107822723A (en) * | 2017-12-13 | 2018-03-23 | 福建省齿峰口腔颌面矫治研究所 | A kind of oral appliance preparation method |
| CN108378940A (en) * | 2018-03-12 | 2018-08-10 | 保定翰阳科技有限公司 | A kind of customized type supporting groove locator and its manufacturing method |
| CN109431633A (en) * | 2018-12-26 | 2019-03-08 | 杭州优易数齿科技有限公司 | Method for manufacturing guide plate for tooth correction |
| CN208725922U (en) * | 2018-03-16 | 2019-04-12 | 无锡时代天使医疗器械科技有限公司 | Shelly-shaped dental appliance and its shell-like body |
| CN110353833A (en) * | 2019-07-21 | 2019-10-22 | 点铂医疗科技（常州）有限公司 | A kind of the bracket bonding technology and step of correction indirect bonding |
| CN211723486U (en) * | 2019-12-06 | 2020-10-23 | 苏州口腔医院有限公司 | Digital 3D corrects baffle |
| CN211750180U (en) * | 2020-01-22 | 2020-10-27 | 无锡时代天使医疗器械科技有限公司 | Shell-like dental instrument |
-
2022
- 2022-04-20 CN CN202210415723.2A patent/CN114983596A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260336A (en) * | 2016-04-07 | 2017-10-20 | 无锡时代天使医疗器械科技有限公司 | Dental appliance tool |
| CN107822723A (en) * | 2017-12-13 | 2018-03-23 | 福建省齿峰口腔颌面矫治研究所 | A kind of oral appliance preparation method |
| CN108378940A (en) * | 2018-03-12 | 2018-08-10 | 保定翰阳科技有限公司 | A kind of customized type supporting groove locator and its manufacturing method |
| CN208725922U (en) * | 2018-03-16 | 2019-04-12 | 无锡时代天使医疗器械科技有限公司 | Shelly-shaped dental appliance and its shell-like body |
| CN109431633A (en) * | 2018-12-26 | 2019-03-08 | 杭州优易数齿科技有限公司 | Method for manufacturing guide plate for tooth correction |
| CN110353833A (en) * | 2019-07-21 | 2019-10-22 | 点铂医疗科技（常州）有限公司 | A kind of the bracket bonding technology and step of correction indirect bonding |
| CN211723486U (en) * | 2019-12-06 | 2020-10-23 | 苏州口腔医院有限公司 | Digital 3D corrects baffle |
| CN211750180U (en) * | 2020-01-22 | 2020-10-27 | 无锡时代天使医疗器械科技有限公司 | Shell-like dental instrument |
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