CN116570390A - Invisible appliance with controllable thickness in all directions and preparation method thereof - Google Patents
Invisible appliance with controllable thickness in all directions and preparation method thereof Download PDFInfo
- Publication number
- CN116570390A CN116570390A CN202310254142.XA CN202310254142A CN116570390A CN 116570390 A CN116570390 A CN 116570390A CN 202310254142 A CN202310254142 A CN 202310254142A CN 116570390 A CN116570390 A CN 116570390A
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- China
- Prior art keywords
- invisible appliance
- invisible
- appliance
- thickness
- part area
- 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
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 210000003464 cuspid Anatomy 0.000 claims abstract description 26
- 238000005516 engineering process Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000010146 3D printing Methods 0.000 claims abstract description 7
- 239000013013 elastic material Substances 0.000 claims abstract description 6
- 230000002035 prolonged effect Effects 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 24
- -1 polyethylene terephthalate Polymers 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 15
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 12
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 12
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 12
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 12
- 239000004417 polycarbonate Substances 0.000 claims description 12
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 12
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 12
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 12
- 238000002474 experimental method Methods 0.000 claims description 9
- 210000004283 incisor Anatomy 0.000 claims description 9
- 239000002952 polymeric resin Substances 0.000 claims description 9
- 229920003002 synthetic resin Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003085 diluting agent Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 238000012937 correction Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 206010061274 Malocclusion Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000003784 masticatory muscle Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003239 periodontal effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- 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
-
- 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
- A61C2007/004—Automatic construction of a set of axes for a tooth or a plurality of teeth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a invisible appliance with controllable thickness and a preparation method thereof, wherein a three-dimensional printing model of the corresponding invisible appliance is constructed according to an orthodontic jaw model of a patient, a diaphragm for preparing the invisible appliance is provided, corresponding dental films are manufactured for different patients by adopting an SLA technology and a DLP technology, the invisible appliances with different thicknesses are prepared, and various detections are carried out on the invisible appliances, and compared with the prior art, the invisible appliance has the beneficial effects that: according to the preparation method of the invisible appliance, the invisible appliance with different thickness can be prepared according to different patients, and the invisible appliance is prepared from elastic materials for the molar part and the cuspid part of the patients, and the thickness of the invisible appliance is thickened during preparation, so that the control of various correction forces can be realized, the service cycle of the invisible appliance is greatly prolonged, the fund waste of the patients is reduced, and the comfort level of the patients is improved.
Description
Technical Field
The invention relates to the technical field of invisible appliances, in particular to an invisible appliance with controllable thickness in various directions and a preparation method thereof.
Background
The appliance is a device for treating malocclusion, and can be called an orthodontic appliance. Can generate acting force or the functional acting force of the peristomal muscles of the masticatory muscles to change the abnormal jaw, the malpositioned teeth and the periodontal supporting tissues through the appliance so as to be beneficial to the normal growth and development of the dentofacial surfaces. The appliance is typically a resilient wire and bracket, or mechanical device in combination with a plastic base, worn in the mouth or maxillofacial region.
The thickness of each tooth of the existing invisible appliance cannot be adjusted according to the correction scheme, true personalized correction cannot be realized, the thickness of each direction of the existing invisible appliance cannot be controlled, correction force cannot be reflected in a personalized way, and the correction force cannot be controlled in each phase.
Disclosure of Invention
The invention aims to provide an invisible appliance with controllable thickness and a preparation method thereof, which are used for solving the problems that the thickness of each tooth of the conventional invisible appliance provided in the background art cannot be adjusted according to an correcting scheme, the actual personalized correction cannot be realized, the thickness of each direction of the conventional invisible appliance cannot be controlled, the correcting force cannot be reflected in a personalized way, and the correction force cannot be controlled.
In order to achieve the above purpose, the present invention provides the following technical solutions: an invisible appliance with controllable thickness in each direction and a preparation method thereof comprise the following steps:
constructing a three-dimensional printing model of the corresponding invisible appliance according to the orthodontic tooth model of the patient,
a membrane for preparing a concealed appliance is provided,
corresponding dental films are manufactured for different patients by adopting SLA technology and DLP technology,
invisible correcting devices with different thicknesses are prepared,
each item of detection is carried out on the invisible appliance,
polishing and grinding the prepared invisible appliance,
obtaining the needed invisible appliance.
As a preferred embodiment of the present invention: the invisible appliance is made of photosensitive resin material, and the photosensitive numerical material mainly comprises photoinitiator, oligomer, diluent, filler and auxiliary agent.
As a preferred embodiment of the present invention: the material of the membrane is a polymer resin material, and the polymer resin material used for manufacturing the membrane comprises PET (polyethylene terephthalate glycol), PETG (polyethylene terephthalate-polyethylene glycol), TPU (thermoplastic polyurethane), PC (polycarbonate), PP (polypropylene) and EVA (ethylene vinyl acetate).
As a preferred embodiment of the present invention: the detection of the invisible appliance comprises three detection modes of appearance, manufacturing precision and mechanical property.
As a preferred embodiment of the present invention: the thickness of the invisible appliance is between 0.38 and 0.69 mm.
As a preferred embodiment of the present invention: the thickness of the corresponding cuspid part area of the invisible appliance is larger than that of the molar part area, and the thickness of the incisor part area is larger than that of the cuspid part area.
As a preferred embodiment of the present invention: the molar portion area and the cuspid portion area are both made of an elastomeric material.
The preparation method of the invisible appliance with controllable thickness comprises the following steps:
s1, manufacturing corresponding orthodontic tooth models according to different patients, and then constructing a three-dimensional printing model of a corresponding invisible appliance according to an AI algorithm and a graphic technology;
s2, providing a membrane of the invisible appliance made of a high polymer resin material, wherein the membrane is composed of PET (polyethylene terephthalate), PETG (polyethylene terephthalate-polyethylene glycol), TPU (thermoplastic polyurethane), PC (polycarbonate), PP (polypropylene), EVA (ethylene vinyl acetate) and other material phases;
s3, manufacturing an invisible appliance required by a patient by adopting an SLA technology and a DLP technology, printing according to the appearance of a finished product and the quality of the outer surface of the invisible appliance, adjusting and improving the subsequent process in the printing process, and manufacturing the cuspid part, the molar part and the incisor part of the invisible appliance into different thicknesses in the manufacturing process, wherein the thickness of the cuspid part area is larger than that of the molar part area, and the thickness of the incisor part area is larger than that of the cuspid part area, so that the service life of the invisible appliance can be prolonged, and elastic materials are added in the molar part area and the cuspid part area, so that the molar part area and the cuspid part area which are commonly used cannot be easily damaged, and the thickness of the invisible appliance is kept between 0.38 mm and 0.69mm in the manufacturing process;
s4, continuously applying the working technology to continuously manufacture invisible appliances with different thicknesses for patients, so that the patients can selectively wear the invisible appliances when using the invisible appliances in the later period;
s5, detecting three aspects of appearance, manufacturing precision and mechanical properties of the appliance with different thicknesses, and carrying out a stretching experiment to determine a series of mechanical property indexes such as elastic limit, elastic modulus, proportion limit, tensile strength, yield point and yield strength of the material, wherein the environment temperature, the stretching rate and the environment pressure are changed as required in the detection experiment, so that the later-stage use of patients can be ensured;
s6, polishing and grinding the invisible appliance successfully completing all detection experiments;
and S7, finally, cleaning the polished and ground invisible appliance to obtain the required invisible appliance.
Compared with the prior art, the invention has the beneficial effects that: according to the preparation method of the invisible appliance, the invisible appliance with different thickness can be prepared according to different patients, and the invisible appliance is prepared from elastic materials for the molar part and the cuspid part of the patients, and the thickness of the invisible appliance is thickened during preparation, so that the control of various correction forces can be realized, the service cycle of the invisible appliance is greatly prolonged, the fund waste of the patients is reduced, and the comfort level of the patients is improved.
Drawings
FIG. 1 is a flow chart of the steps of the present invention;
fig. 2 is a schematic structural view of the invisible appliance of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: an invisible appliance with controllable thickness in each direction and a preparation method thereof comprise the following steps:
constructing a three-dimensional printing model of the corresponding invisible appliance according to the orthodontic tooth model of the patient,
a membrane for preparing a concealed appliance is provided,
corresponding dental films are manufactured for different patients by adopting SLA technology and DLP technology,
invisible correcting devices with different thicknesses are prepared,
each item of detection is carried out on the invisible appliance,
polishing and grinding the prepared invisible appliance,
obtaining the needed invisible appliance.
The invisible appliance is made of photosensitive resin material, and the photosensitive numerical material mainly comprises photoinitiator, oligomer, diluent, filler and auxiliary agent.
The material of the membrane is a polymer resin material, and the polymer resin material used for manufacturing the membrane comprises PET (polyethylene terephthalate glycol), PETG (polyethylene terephthalate-polyethylene glycol), TPU (thermoplastic polyurethane), PC (polycarbonate), PP (polypropylene) and EVA (ethylene vinyl acetate).
The detection of the invisible appliance comprises three detection modes of appearance, manufacturing precision and mechanical property.
Wherein the thickness of the invisible appliance is between 0.38 and 0.69 mm.
Wherein, the thickness of the corresponding cuspid partial area of the invisible appliance is larger than that of the molar partial area, and the thickness of the incisor partial area is larger than that of the cuspid partial area.
Wherein, the molar part area and the cuspid part area are both made of elastic materials.
The preparation method of the invisible appliance with controllable thickness comprises the following steps:
s1, manufacturing corresponding orthodontic tooth models according to different patients, and then constructing a three-dimensional printing model of a corresponding invisible appliance according to an AI algorithm and a graphic technology;
s2, providing a membrane of the invisible appliance made of a high polymer resin material, wherein the membrane is composed of PET (polyethylene terephthalate), PETG (polyethylene terephthalate-polyethylene glycol), TPU (thermoplastic polyurethane), PC (polycarbonate), PP (polypropylene), EVA (ethylene vinyl acetate) and other material phases;
s3, manufacturing an invisible appliance required by a patient by adopting an SLA technology and a DLP technology, printing according to the appearance of a finished product and the quality of the outer surface of the invisible appliance, adjusting and improving the subsequent process in the printing process, and manufacturing the cuspid part, the molar part and the incisor part of the invisible appliance into different thicknesses in the manufacturing process, wherein the thickness of the cuspid part area is larger than that of the molar part area, and the thickness of the incisor part area is larger than that of the cuspid part area, so that the service life of the invisible appliance can be prolonged, and elastic materials are added in the molar part area and the cuspid part area, so that the molar part area and the cuspid part area which are commonly used cannot be easily damaged, and the thickness of the invisible appliance is kept between 0.38 mm and 0.69mm in the manufacturing process;
s4, continuously applying the working technology to continuously manufacture invisible appliances with different thicknesses for patients, so that the patients can selectively wear the invisible appliances when using the invisible appliances in the later period;
s5, detecting three aspects of appearance, manufacturing precision and mechanical properties of the appliance with different thicknesses, and carrying out a stretching experiment to determine a series of mechanical property indexes such as elastic limit, elastic modulus, proportion limit, tensile strength, yield point and yield strength of the material, wherein the environment temperature, the stretching rate and the environment pressure are changed as required in the detection experiment, so that the later-stage use of patients can be ensured;
s6, polishing and grinding the invisible appliance successfully completing all detection experiments;
and S7, finally, cleaning the polished and ground invisible appliance to obtain the required invisible appliance.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The invisible appliance with controllable thickness in each direction and the preparation method thereof are characterized by comprising the following steps:
constructing a three-dimensional printing model of the corresponding invisible appliance according to the orthodontic tooth model of the patient,
a membrane for preparing a concealed appliance is provided,
corresponding dental films are manufactured for different patients by adopting SLA technology and DLP technology,
invisible correcting devices with different thicknesses are prepared,
each item of detection is carried out on the invisible appliance,
polishing and grinding the prepared invisible appliance,
obtaining the needed invisible appliance.
2. The invisible appliance with controllable thickness according to claim 1 and the preparation method thereof are characterized in that: the invisible appliance is made of photosensitive resin material, and the photosensitive numerical material mainly comprises photoinitiator, oligomer, diluent, filler and auxiliary agent.
3. The invisible appliance with controllable thickness according to claim 2 and the preparation method thereof are characterized in that: the material of the membrane is a polymer resin material, and the polymer resin material used for manufacturing the membrane comprises PET (polyethylene terephthalate glycol), PETG (polyethylene terephthalate-polyethylene glycol), TPU (thermoplastic polyurethane), PC (polycarbonate), PP (polypropylene) and EVA (ethylene vinyl acetate).
4. The invisible appliance with controllable thickness according to claim 3 and the preparation method thereof are characterized in that: the detection of the invisible appliance comprises three detection modes of appearance, manufacturing precision and mechanical property.
5. The invisible appliance with controllable thickness according to claim 4 and the preparation method thereof are characterized in that: the thickness of the invisible appliance is between 0.38 and 0.69 mm.
6. The invisible appliance with controllable thickness according to claim 5 and the preparation method thereof are characterized in that: the thickness of the corresponding cuspid part area of the invisible appliance is larger than that of the molar part area, and the thickness of the incisor part area is larger than that of the cuspid part area.
7. The invisible appliance with controllable thickness according to claim 6 and the preparation method thereof are characterized in that: the molar portion area and the cuspid portion area are both made of an elastomeric material.
8. The method for preparing the invisible appliance with controllable thickness according to claim 7, comprising the steps of:
s1, manufacturing corresponding orthodontic tooth models according to different patients, and then constructing a three-dimensional printing model of a corresponding invisible appliance according to an AI algorithm and a graphic technology;
s2, providing a membrane of the invisible appliance made of a high polymer resin material, wherein the membrane is composed of PET (polyethylene terephthalate), PETG (polyethylene terephthalate-polyethylene glycol), TPU (thermoplastic polyurethane), PC (polycarbonate), PP (polypropylene), EVA (ethylene vinyl acetate) and other material phases;
s3, manufacturing an invisible appliance required by a patient by adopting an SLA technology and a DLP technology, printing according to the appearance of a finished product and the quality of the outer surface of the invisible appliance, adjusting and improving the subsequent process in the printing process, and manufacturing the cuspid part, the molar part and the incisor part of the invisible appliance into different thicknesses in the manufacturing process, wherein the thickness of the cuspid part area is larger than that of the molar part area, and the thickness of the incisor part area is larger than that of the cuspid part area, so that the service life of the invisible appliance can be prolonged, and elastic materials are added in the molar part area and the cuspid part area, so that the molar part area and the cuspid part area which are commonly used cannot be easily damaged, and the thickness of the invisible appliance is kept between 0.38 mm and 0.69mm in the manufacturing process;
s4, continuously applying the working technology to continuously manufacture invisible appliances with different thicknesses for patients, so that the patients can selectively wear the invisible appliances when using the invisible appliances in the later period;
s5, detecting three aspects of appearance, manufacturing precision and mechanical properties of the appliance with different thicknesses, and carrying out a stretching experiment to determine a series of mechanical property indexes such as elastic limit, elastic modulus, proportion limit, tensile strength, yield point and yield strength of the material, wherein the environment temperature, the stretching rate and the environment pressure are changed as required in the detection experiment, so that the later-stage use of patients can be ensured;
s6, polishing and grinding the invisible appliance successfully completing all detection experiments;
and S7, finally, cleaning the polished and ground invisible appliance to obtain the required invisible appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310254142.XA CN116570390A (en) | 2023-03-16 | 2023-03-16 | Invisible appliance with controllable thickness in all directions and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310254142.XA CN116570390A (en) | 2023-03-16 | 2023-03-16 | Invisible appliance with controllable thickness in all directions and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116570390A true CN116570390A (en) | 2023-08-11 |
Family
ID=87544213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310254142.XA Pending CN116570390A (en) | 2023-03-16 | 2023-03-16 | Invisible appliance with controllable thickness in all directions and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116570390A (en) |
-
2023
- 2023-03-16 CN CN202310254142.XA patent/CN116570390A/en active Pending
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