CN112245042A - Tooth correcting system and manufacturing method thereof - Google Patents
Tooth correcting system and manufacturing method thereof Download PDFInfo
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- CN112245042A CN112245042A CN202011124227.9A CN202011124227A CN112245042A CN 112245042 A CN112245042 A CN 112245042A CN 202011124227 A CN202011124227 A CN 202011124227A CN 112245042 A CN112245042 A CN 112245042A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
-
- 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
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
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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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- 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
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Dentistry (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a tooth correcting system and a manufacturing method thereof. The tooth correcting system comprises invisible correcting devices corresponding to all stages of tooth correction, wherein in all the invisible correcting devices, at least two invisible correcting devices are different in membrane component, the thickness of at least one invisible correcting device is non-uniform, and the thickness of at least one correcting device is uniform; the diaphragm components used by the invisible appliance are determined by the tooth movement mode in the correction stage, and the diaphragm thickness used by the invisible appliance is determined by the tooth position. The appliance material is determined according to the movement of the tooth body, the thickness is non-uniform, and a soothing instrument and a fixed appliance are matched according to the actual situation; avoids the phenomenon that the tooth movement and the correction force are not matched in the prior art, has good economic value and can be popularized and used in a large scale.
Description
Technical Field
The invention belongs to the field of orthodontics, and particularly relates to a tooth correcting system and a manufacturing method thereof.
Background
With the pursuit of beauty and comfort in the orthodontic process, the invisible correction is more and more accepted and used by users. The invisible bracket-free orthodontic appliance is a movable orthodontic device made of transparent elastic materials and designed and manufactured by computer assistance, and consists of a series of orthodontic appliances, and the aim of straightening teeth is finally achieved through continuous small-range movement of the teeth.
Because orthodontic cases are different, the required orthodontic force is different (for example, twisted teeth need orthodontic appliance membrane materials with good toughness and high flexural modulus, and depressed teeth need appliance membrane materials with higher hardness); the same case requires different forces at different stages (e.g. light force for the teeth starting stage and larger force for the later stage); even the force required by each tooth in the same stage of the same case is different, the diaphragm material used by the appliance in the prior art is usually the same material, all orthodontic patients can only select one component diaphragm appliance all the time in the treatment case, so that the phenomena of high pain, overlong treatment course, restart, failure in correction and the like caused by mismatching of the correction force and the actual condition occur, if a plurality of appliances are selected, the appliance manufacturer needs to be replaced midway, the correction efficiency is influenced, the cost is increased, great economic loss and time loss are caused to users, and therefore the actual prior art can not meet the actual requirement, and a brand-new tooth correction system is urgently needed.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a tooth correcting system and a manufacturing method thereof, which are used for meeting the requirements of teeth on correcting devices with different correcting forces under different conditions.
The technical scheme adopted by the invention is as follows:
tooth correction system
The invisible orthodontic appliances comprise invisible orthodontic appliances corresponding to all stages, wherein in all the invisible orthodontic appliances, at least two invisible appliances are different in membrane component, the thickness of at least one invisible appliance is non-uniform, and the thickness of at least one appliance is uniform.
The diaphragm components used by the invisible appliance are determined by the tooth motion modes in the correction stage, wherein the tooth motion modes comprise tooth inclination, tooth rotation, tooth depression/tooth pull-up, tooth translation and tooth root control.
The inclined teeth or the rotating teeth adopt TPU membranes or PETG/TPU composite membranes, the pressing-down/pulling-up teeth adopt PETG membranes or photosensitive resin, and the translation teeth or the tooth root control adopt TPU membranes.
The thickness of the diaphragm used by the invisible appliance with the non-uniform thickness is mainly determined by the position of the teeth, wherein the thickness of the diaphragm corresponding to the incisor area is larger than that of the diaphragm corresponding to the cuspid area, and the thickness of the diaphragm corresponding to the cuspid area is larger than that of the diaphragm corresponding to the molar area.
The thickness of the membrane corresponding to the incisor area is 0.85-1mm, the thickness of the membrane corresponding to the cuspid area is 0.8-0.85mm, and the thickness of the membrane corresponding to the molar area is 0.75-0.8 mm.
The thickness of the membrane used by the invisible appliance with uniform thickness is 0.75-1 mm.
The invisible orthodontic device comprises a fixed orthodontic device which comprises an arch wire.
The invisible appliance comprises auxiliary equipment for relieving tooth pain and activating tooth movement, and the auxiliary equipment comprises a soothing instrument.
Secondly, a manufacturing method of the tooth correcting system is characterized in that: the method comprises the following steps:
1) obtaining an original tooth body model according to the patient mouth scanning or impression data;
2) designing a tooth arrangement scheme according to the existing orthodontic treatment tooth arrangement software, and determining an appliance model and tooth body movement corrected in each step according to the tooth arrangement scheme;
3) determining the components and the thickness of the diaphragm required by the appliance model according to the position and the movement of the tooth body;
4) and obtaining the invisible appliance corrected in each step through film pressing forming or 3d printing forming.
10. The method of claim 9, wherein the dental appliance system comprises: the step 3) is specifically as follows: determining the components of the diaphragms required by the appliance model according to the tooth movement steps, adopting the diaphragms with TPU components for translating teeth or controlling roots of the teeth, adopting the diaphragms with TPU components or PETG/TPU composite material diaphragms for inclining the teeth or rotating the teeth, and adopting the diaphragms with PETG or photosensitive resin components for pulling up or pressing down the teeth;
the thickness of the diaphragm required by the appliance model is determined according to the position of the teeth, the thickness of the diaphragm corresponding to the incisor area is larger than that of the diaphragm corresponding to the cuspid area, and the thickness of the diaphragm corresponding to the cuspid area is larger than that of the diaphragm corresponding to the molar area.
The invention has the beneficial effects that:
1) because the material of the appliance in each step is determined according to the actual tooth movement, the phenomenon that the tooth movement is not matched with the correction force in the prior art is avoided; the design of the non-uniform membrane avoids the defect of insufficient force of the incisor area in the prior art, and promotes the actually required correction force to be matched with the correction device.
2) The matched relieving instrument can effectively shorten the correction period and relieve pain, and the alternative fixed correction device overcomes the defects that some hidden correction devices are not suitable for use, such as gap closing and the like. The invention has good economic value and can be popularized and used in large scale.
Drawings
FIG. 1 is a schematic diagram of a method of making a dental appliance system.
Fig. 2 is a schematic diagram of a method for manufacturing an invisible orthodontic appliance with non-uniform thickness.
FIG. 3 is a schematic view of a film of photosensitive resin, PETG, TPU, PETG/TPU composite and its appliance.
Detailed Description
The invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, a schematic diagram of a preparation method of a dental correcting system is shown, an original dental model is obtained according to dental scan or impression data of a patient, so that the dental model or corrector model and dental movement steps of each step are determined through a tooth arrangement scheme design, a corrector material is determined according to the dental movement steps, wherein a membrane made of TPU is adopted for translation or root control, a membrane made of TPU or a PETG/TPU composite material is adopted for inclination or rotation, and the PETG membrane or photosensitive resin is used for high or low tension. For the selected invisible appliance, the thickness of the selected diaphragm material is determined according to the position of the tooth body. For the selected invisible appliance, after the material thickness and the membrane material are determined, the appliance of each step is obtained by adopting film pressing molding or 3d printing molding according to the obtained tooth body model and the appliance model. And the tooth area of the tooth body model in the film pressing molding corresponds to the film thickness area one to one. If according to the tooth motion mode and the actual situation of a case, can match and use fixed appearance of correcting and releiving with the appearance.
As shown in fig. 2, the preparation method of the invisible orthodontic appliance with the non-uniform thickness is schematically illustrated, the preparation material of the appliance adopts invisible orthodontic diaphragms with the non-uniform thickness, and the thickness is determined by the position of the teeth, wherein the thickness of the corresponding diaphragm of the incisor area is larger than that of the corresponding diaphragm of the canine area, the thickness of the corresponding diaphragm of the canine area is larger than that of the corresponding diaphragm of the molar area, preferably, the thickness of the corresponding diaphragm of the incisor area is 0.85-1mm, the thickness of the corresponding diaphragm of the canine area is 0.8-0.85mm, and the thickness of the corresponding diaphragm of the molar area is 0.75-0.8 mm. The preparation method comprises the steps of placing invisible orthodontic diaphragms with non-uniform thicknesses, hot-pressing film forming, trimming and demolding, wherein tooth areas of the tooth body model correspond to the thickness areas of the diaphragms one to one in the placing process.
Fig. 3 is a schematic diagram of a photosensitive resin, PETG, TPU, a PETG/TPU composite material membrane and a corrector thereof, wherein the corrector material is determined according to the tooth movement steps, the membrane made of TPU is adopted for translation or root control, the TPU or PETG/TPU composite material membrane is adopted for inclination or rotation, and the PETG membrane or the photosensitive resin is adopted for high or low tension.
Example 1:
determining the tooth movement required by correction as a depressed tooth according to the tooth arrangement scheme, wherein the invisible correction appliance adopts a PETG diaphragm, the thickness of the diaphragm corresponding to the incisor area is 0.85-0.9mm, the thickness of the diaphragm corresponding to the cuspid area is 0.8-0.85mm, and the thickness of the diaphragm corresponding to the molar area is 0.75-0.8 mm.
Example 2:
determining the tooth movement required by correction as a heightened tooth body according to the tooth arrangement scheme, wherein the invisible correction device adopts photosensitive resin, the thickness of the corresponding diaphragm of the incisor area is 0.85-1mm, the thickness of the corresponding diaphragm of the canine area is 0.8-0.85mm, and the thickness of the corresponding diaphragm of the molar area is 0.75-0.8 mm.
Example 3:
determining the tooth movement required by correction as a translational tooth according to the tooth arrangement scheme, wherein the invisible correction appliance adopts TPU, the thickness of the corresponding diaphragm of the incisor area is 0.75-0.8mm, the thickness of the corresponding diaphragm of the canine area is 0.5-0.8mm, and the thickness of the corresponding diaphragm of the molar area is 0.75-0.8 mm.
Example 4:
determining the tooth movement required by correction as a rotary tooth body according to the tooth arrangement scheme, wherein the invisible correction device is made of PETG/TPU composite material, the thickness of the corresponding diaphragm of the incisor area is 0.8-1mm, the thickness of the corresponding diaphragm of the canine area is 0.8-1mm, and the thickness of the corresponding diaphragm of the molar area is 0.8-1 mm.
Claims (10)
1. A dental appliance system, comprising: the invisible orthodontic appliances comprise invisible orthodontic appliances corresponding to all stages, wherein in all the invisible orthodontic appliances, at least two invisible appliances are different in membrane component, the thickness of at least one invisible appliance is non-uniform, and the thickness of at least one appliance is uniform.
2. The dental appliance system of claim 1, wherein: the diaphragm components used by the invisible appliance are determined by the tooth motion modes in the correction stage, wherein the tooth motion modes comprise tooth inclination, tooth rotation, tooth depression/tooth pull-up, tooth translation and tooth root control.
3. The dental appliance system of claim 2, wherein: the inclined teeth or the rotating teeth adopt TPU membranes or PETG/TPU composite membranes, the pressing-down/pulling-up teeth adopt PETG membranes or photosensitive resin, and the translation teeth or the tooth root control adopt TPU membranes.
4. The dental appliance system of claim 1, wherein: the thickness of the diaphragm used by the invisible appliance with the non-uniform thickness is mainly determined by the position of the teeth, wherein the thickness of the diaphragm corresponding to the incisor area is larger than that of the diaphragm corresponding to the cuspid area, and the thickness of the diaphragm corresponding to the cuspid area is larger than that of the diaphragm corresponding to the molar area.
5. The dental appliance system of claim 4, wherein: the thickness of the membrane corresponding to the incisor area is 0.85-1mm, the thickness of the membrane corresponding to the cuspid area is 0.8-0.85mm, and the thickness of the membrane corresponding to the molar area is 0.75-0.8 mm.
6. The dental appliance system of claim 1, wherein: the thickness of the membrane used by the invisible appliance with uniform thickness is 0.75-1 mm.
7. The dental appliance system of claim 1, wherein: the invisible orthodontic device comprises a fixed orthodontic device which comprises an arch wire.
8. The dental appliance system of claim 1, wherein: the invisible appliance comprises auxiliary equipment for relieving tooth pain and activating tooth movement, and the auxiliary equipment comprises a soothing instrument.
9. The method for manufacturing the dental correction system according to any one of claims 1 to 8, wherein: the method comprises the following steps:
1) obtaining an original tooth body model according to the patient mouth scanning or impression data;
2) designing a tooth arrangement scheme according to orthodontic treatment tooth arrangement software, and determining an appliance model and tooth body movement corrected in each step according to the tooth arrangement scheme;
3) determining the components and the thickness of the diaphragm required by the appliance model according to the position and the movement of the tooth body;
4) and obtaining the invisible appliance corrected in each step through film pressing forming or 3d printing forming.
10. The method of claim 9, wherein the dental appliance system comprises: the step 3) is specifically as follows: determining the components of the diaphragms required by the appliance model according to the tooth movement steps, adopting the diaphragms with TPU components for translating teeth or controlling roots of the teeth, adopting the diaphragms with TPU components or PETG/TPU composite material diaphragms for inclining the teeth or rotating the teeth, and adopting the diaphragms with PETG or photosensitive resin components for pulling up or pressing down the teeth; the thickness of the diaphragm required by the appliance model is determined according to the position of the teeth, the thickness of the diaphragm corresponding to the incisor area is larger than that of the diaphragm corresponding to the cuspid area, and the thickness of the diaphragm corresponding to the cuspid area is larger than that of the diaphragm corresponding to the molar area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124227.9A CN112245042A (en) | 2020-10-20 | 2020-10-20 | Tooth correcting system and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124227.9A CN112245042A (en) | 2020-10-20 | 2020-10-20 | Tooth correcting system and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN112245042A true CN112245042A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011124227.9A Pending CN112245042A (en) | 2020-10-20 | 2020-10-20 | Tooth correcting system and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749797A (en) * | 2021-09-09 | 2021-12-07 | 浙江工业大学 | Invisible appliance with non-uniform thickness and design method thereof |
| CN113894443A (en) * | 2021-11-29 | 2022-01-07 | 杭州美齐科技有限公司 | Laser cutting device and method for tooth socket |
| CN115177393A (en) * | 2021-04-07 | 2022-10-14 | 浙江隐齿丽医学技术有限公司 | Method and system for preparing shell-shaped dental appliance |
| CN115252183A (en) * | 2022-06-24 | 2022-11-01 | 河北工程大学 | Multilayer orthodontic diaphragm with non-uniform thickness |
| CN116058986A (en) * | 2023-04-06 | 2023-05-05 | 北京大学口腔医学院 | Invisible appliance manufacturing method and tooth invisible correcting method |
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| CN207168593U (en) * | 2017-01-26 | 2018-04-03 | 上海正雅齿科科技股份有限公司 | Facing customizes diaphragm |
| EP3406222A1 (en) * | 2008-11-20 | 2018-11-28 | Align Technology, Inc. | Orthodontic systems and methods including parametric attachments |
| CN209884371U (en) * | 2018-11-14 | 2020-01-03 | 该美生物科技（上海）有限公司 | Invisible appliance |
| CN209899618U (en) * | 2019-04-26 | 2020-01-07 | 上海隐齐齿科科技有限公司 | Partition dental diaphragm |
| CN211094855U (en) * | 2019-08-19 | 2020-07-28 | 淮安市第二人民医院（淮安仁慈医院） | Wearable tooth socket convenient for adjusting tightness |
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- 2020-10-20 CN CN202011124227.9A patent/CN112245042A/en active Pending
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| EP3406222A1 (en) * | 2008-11-20 | 2018-11-28 | Align Technology, Inc. | Orthodontic systems and methods including parametric attachments |
| CN207168593U (en) * | 2017-01-26 | 2018-04-03 | 上海正雅齿科科技股份有限公司 | Facing customizes diaphragm |
| CN209884371U (en) * | 2018-11-14 | 2020-01-03 | 该美生物科技（上海）有限公司 | Invisible appliance |
| CN209899618U (en) * | 2019-04-26 | 2020-01-07 | 上海隐齐齿科科技有限公司 | Partition dental diaphragm |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115177393A (en) * | 2021-04-07 | 2022-10-14 | 浙江隐齿丽医学技术有限公司 | Method and system for preparing shell-shaped dental appliance |
| CN113749797A (en) * | 2021-09-09 | 2021-12-07 | 浙江工业大学 | Invisible appliance with non-uniform thickness and design method thereof |
| CN113749797B (en) * | 2021-09-09 | 2023-06-23 | 浙江工业大学 | Invisible appliance with non-uniform thickness and design method thereof |
| CN113894443A (en) * | 2021-11-29 | 2022-01-07 | 杭州美齐科技有限公司 | Laser cutting device and method for tooth socket |
| CN113894443B (en) * | 2021-11-29 | 2024-01-30 | 杭州美齐科技有限公司 | Laser cutting device and method for tooth socket |
| CN115252183A (en) * | 2022-06-24 | 2022-11-01 | 河北工程大学 | Multilayer orthodontic diaphragm with non-uniform thickness |
| CN116058986A (en) * | 2023-04-06 | 2023-05-05 | 北京大学口腔医学院 | Invisible appliance manufacturing method and tooth invisible correcting method |
| CN116058986B (en) * | 2023-04-06 | 2023-12-26 | 北京大学口腔医学院 | Invisible appliance manufacturing method and tooth invisible correcting method |
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Application publication date: 20210122 |