CN110539473A - Production method of invisible appliance - Google Patents
Production method of invisible appliance Download PDFInfo
- Publication number
- CN110539473A CN110539473A CN201910980664.1A CN201910980664A CN110539473A CN 110539473 A CN110539473 A CN 110539473A CN 201910980664 A CN201910980664 A CN 201910980664A CN 110539473 A CN110539473 A CN 110539473A
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- CN
- China
- Prior art keywords
- film
- invisible
- appliance
- diaphragm
- process film
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/264—Auxiliary operations prior to the thermoforming operation, e.g. cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/266—Auxiliary operations after the thermoforming operation
- B29C51/268—Cutting, rearranging and joining the cut parts
Abstract
The invention relates to the technical field of tooth correction, and particularly discloses a production method of an invisible corrector, which comprises the following steps: providing a diaphragm for manufacturing the invisible appliance; arranging a process film on the outer surface of the diaphragm; placing the surface of the diaphragm, which is opposite to the outer surface provided with the technical film, on a dental model for film pressing to obtain an invisible appliance to be cut; laser cutting the invisible appliance to be cut along a predetermined cutting path, wherein the laser is incident from one side of the process film, the laser cuts through the process film and the diaphragm simultaneously, and the diaphragm and the process film are not mixed at the cutting path; and removing the process film to obtain the invisible orthodontic appliance. The invention solves the problem that the smoke dust generated in the laser cutting process in the existing invisible appliance production has adverse effect on the quality of the appliance.
Description
Technical Field
The invention belongs to the field of preparation of tooth appliances, and particularly relates to a manufacturing technology of an invisible appliance, in particular to a method for eliminating smoke dust attached to the invisible appliance in laser cutting in a laser cutting process.
Background
Invisible appliances are increasingly used in the orthodontic industry, and their see-through effect and easy-to-wear manner of use are enjoyed by more and more doctors and patients.
The manufacturing procedure of stealthy ware of rescaling mainly is for acquireing the intraoral model of patient's digitization earlier, then carries out incisor, the tooth arrangement is handled to the intraoral model of patient's digitization, to correcting the process and simulating the substep, then make the substep tooth model through 3D printing technique, reuse macromolecular material heating back press mold, and obtain one set of stealthy ware of rescaling of no support groove through machinery or artificial cutting, the patient wears according to the ware of rescaling of substep in proper order, finally reach and correct the effect.
during the cutting process after the high polymer material is pressed with a film, if a laser cutting method is adopted, white smoke is generated during cutting, wherein a large amount of smoke particles and peculiar smell particles are contained, although most of the smoke particles and the peculiar smell particles can be pumped and processed by an air processing device, a small amount of smoke particles and peculiar smell particles can be attached to the area around the cutting point of the invisible appliance, and the attached smoke particles and peculiar smell particles cannot be completely removed through conventional cleaning. These residual smoke particles can affect the appearance of the product, while off-flavor particles present a health risk.
Disclosure of Invention
the invention mainly aims to overcome the defects of the prior art, provides a production method of an invisible appliance, and solves the problem that smoke dust generated in the laser cutting process in the production of the existing invisible appliance has adverse influence on the quality of the appliance, so that the wearing and correction effects of a patient are influenced.
The technical scheme provided by the invention is as follows:
A production method of an invisible appliance comprises the following steps:
Providing a diaphragm for manufacturing the invisible appliance;
Arranging a process film on the outer surface of the diaphragm;
Placing the surface of the diaphragm, which is opposite to the outer surface provided with the technical film, on a dental model for film pressing to obtain an invisible appliance to be cut;
laser cutting the invisible appliance to be cut along a predetermined cutting path, wherein the laser is incident from one side of the process film, the laser cuts through the process film and the diaphragm simultaneously, and the diaphragm and the process film are not mixed at the cutting path;
And removing the process film to obtain the invisible orthodontic appliance.
As one preferable selection of the production method of the invisible appliance, the membrane material for manufacturing the invisible appliance is selected from one or more of PETG, PC or TPU.
as a preferable preference of the production method of the invisible appliance, the technical film is made of polyethylene materials.
as one optimization of the production method of the invisible appliance, the thickness of the technical film is 0.01 mm-0.08 mm.
As a preferable choice of the production method of the invisible appliance, the process film at least covers the membrane sheet at the position of the cutting path.
as a preferable preference of the method for producing the invisible orthodontic appliance, the process film does not cover the parts of the membrane except the invisible orthodontic appliance.
as a preferable preference of the method for producing the invisible appliance, during laser cutting, the power and wavelength of the laser are controlled so that the process film and the diaphragm are not mixed.
As a preferred choice of the production method of the invisible appliance, the process film is provided with identification information, and the identification information can be one or more of colors, textures, patterns, characters, letters and numbers of the process film.
Preferably, in the production method of the invisible appliance, the technical film is further provided with a tearing part, and the tearing part at least covers part of the laser cutting path.
As a preferable selection of the production method of the invisible appliance, the process film and the membrane are combined in an electrostatic, sticking, extruding or hot pressing manner.
the production process of the invisible appliance provided by the invention can bring at least one of the following beneficial effects:
1. smoke dust particle and peculiar smell particle removal: in the existing production process of the invisible appliance, laser cutting is directly carried out on the surface of the membrane, a large amount of smoke and odor can be generated in the cutting process, although most of the smoke and the odor can be pumped away and processed by an air processing device, a small amount of residual smoke particles and odor particles can be attached to the peripheral area of the membrane cutting point, the smoke and the odor particles cannot be thoroughly removed by conventional cleaning, the appearance of a product is affected, and the odor has health hidden troubles. The production method of the invention arranges the process film on the diaphragm, and the process film is outward in the laser cutting process, so the smoke dust particles and the peculiar smell particles can be attached to the surface of the process film without being stained with the diaphragm of the invisible appliance, the healthy invisible appliance with beautiful appearance and no peculiar smell can be obtained by removing the process film in the subsequent operation, the quality requirement can be met by conventional cleaning, the high requirement on the cleaning process is not required, and the process cost is not increased.
2. Moisture absorption prevention: some high polymer materials applied to appliance production have high hygroscopicity, and the water content of the materials can be increased quickly when the materials are exposed to a humid environment, so that quality defects such as bubbles and wrinkles of invisible appliance products are caused in subsequent production. After the upper surface and/or the lower surface of the invisible appliance diaphragm is covered with the process film, the process film isolates most of materials from the environment, so that the water absorption capacity can be effectively reduced, the subsequent quality defects are reduced, and the product yield is improved.
3. Preventing holding reversely: when covering the one deck protective film on the diaphragm individual layer, if diaphragm and technology membrane are the same transparent colour, take the contrary very easily in the operation, lead to misoperation, for avoiding this problem, can set up the protective film for the colourful or set up the structure or the mark of discerning easily on its surface, just so discern very easily, and then avoid taking the contrary.
Drawings
the foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.
FIG. 1 is a schematic diagram of a diaphragm, a dental model and a to-be-cut invisible appliance obtained after film pressing in the prior art;
FIG. 2 is a schematic view of a method of producing the invisible orthosis of the present invention;
fig. 3 is a schematic view of a membrane composite membrane obtained by adding a process membrane to a membrane according to a first embodiment of the present invention;
FIG. 4 is a schematic diagram of a membrane composite membrane obtained by adding a process membrane to a membrane according to a second embodiment of the present invention;
Fig. 5 is a schematic view of a membrane composite membrane obtained by adding a process membrane to a membrane according to a third embodiment of the present invention;
Fig. 6 is a schematic view of a tear-off portion of a composite film according to a fourth embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
Fig. 1 is a schematic diagram of a diaphragm, a dental model and a to-be-cut invisible appliance obtained by pressing a film in the prior art. The film 131 in the prior art is a single-layer film, and is pressed on the dental model 132 through a film pressing process, so that the to-be-cut invisible appliance 13 with the shape of the invisible appliance in the middle area is obtained, and then laser cutting is performed.
in the laser cutting process, the laser beam generated by the laser generator irradiates on the invisible appliance 13 to be cut to generate a laser cutting point, and then cutting is realized, white smoke can be generated in the area near the laser cutting point in the cutting process, wherein a large number of smoke particles and peculiar smell particles are contained, although most of the white smoke is drawn away by the air treatment device, the residual partial particles are attached to the invisible appliance, the problems of appearance and residual peculiar smell of the invisible appliance and the problems of health hidden troubles are still caused.
in order to solve the problem, the invention provides the following technical scheme.
A method for producing an invisible appliance, please refer to fig. 2, comprising the following steps:
Providing a diaphragm for manufacturing the invisible appliance;
Arranging a process film on the outer surface of the diaphragm;
Placing the surface of the diaphragm opposite to the outer surface provided with the technical film on a dental model for film pressing to obtain an invisible appliance to be cut;
laser cutting the invisible appliance to be cut along a predetermined cutting path, wherein the laser is incident from one side of the process film, the laser cuts through the process film and the diaphragm simultaneously, and the diaphragm and the process film are not mixed at the cutting path; in the laser cutting process, laser beams generated by a laser generator irradiate on laser cutting points generated on the process film and the diaphragm to realize cutting, white smoke can be generated in the area near the laser cutting points in the cutting process, and smoke dust particles and peculiar smell particles contained in the white smoke can be adsorbed on the process film without polluting the diaphragm of the invisible appliance due to the process film arranged on the invisible appliance to be cut;
And removing the process film to obtain the invisible orthodontic appliance.
For the production method of the invisible appliance, the membrane material for manufacturing the invisible appliance can be one or more selected from PETG, PC or TPU.
for the production method of the invisible appliance, the technical film is preferably made of polyethylene materials, and the polyethylene materials are cheap and easy to obtain and are suitable for industrial use. In addition, a film made of a similar material that can realize the adsorption of white smoke particles as a mask, such as a laser protection film, may be used.
for the production method of the invisible appliance, the thickness of the process film is preferably 0.01-0.08 mm. The present inventors have found in their research that the choice of the thickness of the process film affects the good achievement of the objects of the present invention. If the thickness of the process film is less than 0.01mm, the process film is easy to break when the hidden appliance to be cut is prepared by hot press molding, so that the process film is discontinuously combined with the membrane, and if the part to be cut of the membrane does not have the process film, the influence of the white smoke on the hidden appliance cannot be solved; if the thickness of the process film is more than 0.08mm, on one hand, the waste of film resources is caused, and on the other hand, the waste of resources is also caused to laser energy.
For the production method of the invisible appliance, the process film at least needs to cover the membrane at the position of the cutting path, so that the area generating the white smoke can be covered, the white smoke is adsorbed, and the influence of the white smoke on the appearance and the peculiar smell of the invisible appliance is solved. Therefore, the process film may be a film having an area smaller than that of the film sheet at least at a position where the cutting path is located, or a film having an area equal to that of the film sheet, or a film designed in a shape, such as a shape arranged in a direction along the path of the cutting path, capable of covering the cutting path.
for the production method of the invisible appliance, the process film does not cover the parts of the membrane except the invisible appliance, namely, the process film area is smaller than the membrane area, only the invisible appliance area is covered with the process film, and the other parts of the membrane are not covered with the process film.
according to the production method of the invisible orthodontic appliance, the process film and the diaphragm are not mixed by controlling the power and the wavelength of the laser during laser cutting, and the technical characteristic is that the safety of the cut diaphragm is ensured, namely, the shape of the cut invisible orthodontic appliance is influenced and the uncertainty is increased on the wearing safety of the invisible orthodontic appliance if the two diaphragms under high energy are mixed due to high energy in the laser cutting process.
For the production method of the invisible appliance, the process film can be provided with identification information during laser cutting, and the identification information can be one or more of colors, textures, patterns, characters, letters and numbers of the process film. The identification information is used for identifying one surface provided with the technical film, and the defect that the preparation defect of the invisible tooth appliance is caused by misplacing the direction of the film when the pressed film is placed is avoided.
For the production method of the invisible appliance, the technical film is also provided with a tearing-off part, and the tearing-off part at least covers part of the laser cutting path. The tearing-off part is arranged to facilitate removal of the process film after laser cutting is completed. The setting position of the tearing part needs to ensure that at least one part of the tearing part is still positioned on the invisible appliance obtained after cutting after laser cutting is finished, so that the process film can be conveniently torn off from the diaphragm through the tearing part after the laser cutting.
for the production method of the invisible appliance, the process film and the membrane are combined in an electrostatic, sticking, extruding or hot pressing mode. For example, in some embodiments, bonding of the process film to the film sheet is performed by roll pressing (roll pressing is one of the pressing).
The invention is further described below by means of specific examples.
Example one
Referring to fig. 3, the method for producing the invisible orthosis of the present embodiment includes the following steps:
Providing a diaphragm 331 for making the invisible appliance; providing a process film 335;
arranging a process film 335 on the outer surface of the diaphragm 331 to obtain a diaphragm composite film 330; in the diaphragm composite film, the size of the process film 335 is substantially equal to that of the diaphragm 331, and the process film 335 can cover the diaphragm at the position of the cutting path; specifically, the process film 335 is combined with the diaphragm 331 in a rolling manner, and in an alternative embodiment, the process film 335 is combined with the diaphragm 331 in a sticking, electrostatic or hot pressing manner; specifically, the specific operation mode of disposing the process film on the membrane sheet may be to cover the continuous process film 335 on the continuous membrane sheet 331, and then obtain the circular composite film 330 by cutting; alternatively, the circular diaphragm 331 and the process film 335 may be obtained first, and then the two may be combined together to obtain the composite film 330;
placing the membrane composite membrane 330 and the surface, opposite to the outer surface provided with the process membrane 335, on a dental model for film pressing to obtain an invisible appliance to be cut;
Laser cutting the invisible appliance to be cut along a predetermined cutting path, wherein the laser is incident from one side of the process film 335, the laser cuts through the process film 335 and the diaphragm 331 simultaneously, and the diaphragm 331 and the process film 335 do not mix at the cutting path;
and removing the process film 335 to obtain the invisible appliance.
In the embodiment, the membrane material for manufacturing the invisible appliance is selected from one of PETG, PC or TPU, the process membrane is made of polyethylene material, and the thickness of the process membrane is preferably 0.01-0.08 mm.
And when the laser is cut, the process film and the membrane are not mixed by controlling the power and the wavelength of the laser.
In this embodiment, the process film 335 is provided with identification information, the identification information is a texture or a pattern on the process film, and in an alternative embodiment, the identification information may also be one or more of a color, a character, a letter, and a number.
In this embodiment, the craft film 335 is further provided with a tear-off portion, and the tear-off portion entirely or partially covers a portion of the laser cutting path, so that after the laser cutting is completed, at least a portion of the tear-off portion is further located on the craft film covering the invisible appliance, so that the craft film can be conveniently removed after the laser cutting.
example two
referring to fig. 4, the method for producing the invisible orthosis of the present embodiment includes the following steps:
providing a membrane 431 for manufacturing the invisible appliance; providing a process film 435; the size of the process film 435 is smaller than the membrane 431;
arranging a process film 435 on the outer surface of the membrane 431 to obtain a membrane composite film 430; in the present embodiment, the process film 435 and the membrane 431 are combined in a sticking manner, and in an alternative embodiment, the process film 435 and the membrane 431 may also be combined in an electrostatic manner, an extrusion manner, a hot pressing manner, or the like; the process film 435 can cover the film sheet where the cutting path is located; specifically, the process film 435 may be continuously disposed on the continuous film sheet 431, and then cut to obtain the disk-shaped film sheet composite film 430 shown in fig. 4; alternatively, the circular membrane 431 and the process membrane 435 may be obtained first, and then they are combined together to obtain the membrane composite membrane 430;
placing the diaphragm composite film 430 and the surface, opposite to the outer surface provided with the process film 435, of the diaphragm composite film on a dental model for film pressing to obtain an invisible appliance to be cut;
laser cutting the invisible appliance to be cut along a predetermined cutting path, wherein the laser is incident from one side of the process film 435, the laser cuts through the process film 435 and the diaphragm 431 simultaneously, and the diaphragm 431 and the process film 435 do not mix at the cutting path;
The process film 435 is removed to obtain the invisible appliance.
in the embodiment, the membrane material for manufacturing the invisible appliance is selected from one of PETG, PC or TPU, the process membrane is made of polyethylene material, and the thickness of the process membrane is preferably 0.01-0.08 mm.
And when the laser is cut, the process film and the membrane are not mixed by controlling the power and the wavelength of the laser.
In this embodiment, the process film 435 is provided with identification information, which is color and texture on the process film, and in an alternative embodiment, the identification information may also be one or more of patterns, characters, letters, and numbers.
In this embodiment, the technical film 435 is further provided with a tearing portion, and the whole tearing portion covers a part of the laser cutting path, so that after the laser cutting is completed, the tearing portion is further located on the technical film covering the invisible appliance, so that the technical film can be conveniently removed after the laser cutting.
EXAMPLE III
Referring to fig. 5, the method for producing the invisible orthosis of the present embodiment includes the following steps:
Providing a membrane 531 for manufacturing an invisible appliance; providing a process film 535; the size of the process film 535 is smaller than that of the diaphragm 531, and the process film is U-shaped;
arranging a process film 535 on the outer surface of the diaphragm 531 to obtain a diaphragm composite film 530; in this embodiment, the craft film 535 and the membrane 531 are electrostatically bonded, and in an alternative embodiment, the craft film 535 and the membrane 531 may be bonded by pasting, pressing, hot pressing, etc.; the craft film 535 can cover the membrane at the position of the cutting path, but the craft film 535 does not cover the part of the membrane 531 except the position of the invisible appliance; specifically, the process film 535 may be continuously disposed on the continuous film 531, and then cut to obtain the disk-shaped film composite film 530 shown in fig. 5; or, the circular membrane 531 and the U-shaped process membrane 535 are obtained first, and then they are combined together to obtain the membrane composite membrane 530;
placing the membrane composite membrane 530 and the surface, opposite to the outer surface provided with the process membrane 535, on a dental model for film pressing to obtain an invisible appliance to be cut;
Laser cutting the invisible appliance to be cut along a predetermined cutting path, wherein the laser is incident from one side of the process film 535, the laser simultaneously cuts through the process film 535 and the diaphragm 531, and the diaphragm 531 and the process film 535 are not mixed at the cutting path;
The process film 535 is removed to yield the invisible appliance.
In the embodiment, the membrane material for manufacturing the invisible appliance is selected from one of PETG, PC or TPU, the process membrane is made of polyethylene material, and the thickness of the process membrane is preferably 0.01-0.08 mm.
And when the laser is cut, the process film and the membrane are not mixed by controlling the power and the wavelength of the laser.
In this embodiment, the process film 535 is provided with identification information, which is color and texture on the process film, and in an alternative embodiment, the identification information may also be one or more of patterns, characters, letters, and numbers.
Example four
Referring to fig. 6, the method for producing the invisible orthosis of the present embodiment includes the following steps:
Providing a diaphragm for manufacturing the invisible appliance; providing a process film;
arranging a process film on the outer surface of the diaphragm to obtain a diaphragm composite film 630; in the membrane composite membrane, the size of a process membrane is basically equal to that of a membrane, and the process membrane can cover the membrane at the position of a cutting path; in particular, the process film is bonded to the membrane sheet in a roll-in manner, and furthermore in alternative embodiments, the process film may be bonded to the membrane sheet in a paste, electrostatic or hot-press manner; specifically, the specific operation mode of disposing the process film on the membrane sheet may be to cover the continuous process film on the continuous membrane sheet, and then obtain the circular composite film 630 by cutting; or, the circular membrane and the process membrane are obtained first, and then they are combined together to obtain the composite membrane 630;
placing the surface, opposite to the outer surface provided with the process film, of the membrane composite membrane 630 on a dental model for film pressing to obtain an invisible appliance to be cut;
Laser cutting the invisible appliance to be cut along a predetermined cutting path, wherein the laser is incident from one side of the process film, the laser cuts through the process film and the diaphragm simultaneously, and the diaphragm and the process film are not mixed at the cutting path;
And removing the process film to obtain the invisible orthodontic appliance.
in this embodiment, a tearing portion 636 is further disposed on the process film of the composite film 630, and the tearing portion 636 completely covers a portion of the laser cutting path, so that after the laser cutting is completed, the tearing portion 636 is further located on the process film covering the invisible appliance, so as to conveniently remove the process film after the laser cutting.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A production method of an invisible appliance is characterized by comprising the following steps:
providing a diaphragm for manufacturing the invisible appliance;
Arranging a process film on the outer surface of the diaphragm;
Placing the surface of the diaphragm, which is opposite to the outer surface provided with the technical film, on a dental model for film pressing to obtain an invisible appliance to be cut;
laser cutting the invisible appliance to be cut along a predetermined cutting path, wherein the laser is incident from one side of the process film, the laser cuts through the process film and the diaphragm simultaneously, and the diaphragm and the process film are not mixed at the cutting path;
And removing the process film to obtain the invisible orthodontic appliance.
2. the method for producing the invisible appliance, according to claim 1, is characterized in that the membrane for producing the invisible appliance is made of one or more materials selected from PETG, PC or TPU.
3. The method of producing an invisible appliance according to claim 1 or 2, wherein the technical film is made of a polyethylene material.
4. the method for producing the invisible appliance of claim 3, wherein the thickness of the technical film is 0.01mm to 0.08 mm.
5. the method of producing an invisible appliance according to claim 1, wherein the technical film covers at least the membrane sheet at the location of the cutting path.
6. The method of producing invisible appliances according to claim 1, wherein the process film does not cover the portions of the film sheet other than the invisible appliances.
7. The method of producing invisible appliances according to claim 1, wherein the power and wavelength of the laser are controlled so that the process film and the membrane sheet do not mix during laser cutting.
8. the production method of the invisible appliance of claim 1, wherein the technical film is provided with identification information, and the identification information is one or more of colors, textures, patterns, characters, letters and numbers of the technical film.
9. the method of producing an invisible appliance according to claim 1, wherein the craft film is further provided with a tear-away portion that covers at least a portion of the laser cut path.
10. The method of claim 1, wherein the process film is bonded to the membrane sheet by electrostatic, adhesive, extrusion, or heat pressing.
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| CN201910980664.1A CN110539473A (en) | 2019-10-15 | 2019-10-15 | Production method of invisible appliance |
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|---|---|---|---|
| CN201910980664.1A CN110539473A (en) | 2019-10-15 | 2019-10-15 | Production method of invisible appliance |
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Cited By (5)
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| CN111361249A (en) * | 2020-03-17 | 2020-07-03 | 深圳艾优泰高分子科技有限公司 | Dental appliance manufacturing method and dental appliance |
| 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 |
| CN113601031A (en) * | 2021-08-25 | 2021-11-05 | 北京美立刻医疗器械有限公司 | Laser cutting method suitable for bracket-free invisible appliance |
| CN114590007A (en) * | 2022-03-09 | 2022-06-07 | 北京化工大学 | Layer-by-layer laminated composite diaphragm for invisible orthodontic correction and preparation method and application thereof |
| CN115211986A (en) * | 2022-06-24 | 2022-10-21 | 琅泰美康医疗器械有限公司 | Processing method of invisible orthodontic appliance |
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| CN106799548A (en) * | 2017-02-06 | 2017-06-06 | 京东方科技集团股份有限公司 | The method of diaphragm, laser cutting |
| CN109616437A (en) * | 2018-11-21 | 2019-04-12 | 武汉华星光电半导体显示技术有限公司 | Flexible OLED panel and its cutting method to be cut |
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| CN111361249A (en) * | 2020-03-17 | 2020-07-03 | 深圳艾优泰高分子科技有限公司 | Dental appliance manufacturing method and dental appliance |
| 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 |
| WO2021238132A1 (en) * | 2020-05-29 | 2021-12-02 | 上海正雅齿科科技股份有限公司 | Manufacturing method for shell-shaped dental appliance, and laser cutting system |
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