CN110464489B - Tooth arranging device, tooth arranging sleeve box, and preparation methods and applications thereof - Google Patents
Tooth arranging device, tooth arranging sleeve box, and preparation methods and applications thereof Download PDFInfo
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- CN110464489B CN110464489B CN201811607327.XA CN201811607327A CN110464489B CN 110464489 B CN110464489 B CN 110464489B CN 201811607327 A CN201811607327 A CN 201811607327A CN 110464489 B CN110464489 B CN 110464489B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 32
- 230000037431 insertion Effects 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 210000003464 cuspid Anatomy 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 210000005189 upper gingiva Anatomy 0.000 claims 1
- 210000004513 dentition Anatomy 0.000 description 5
- 230000036346 tooth eruption Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 208000002925 dental caries Diseases 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000551 dentifrice Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010959 steel Substances 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
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- Health & Medical Sciences (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)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention provides a tooth discharger, a tooth discharge sleeve box and a preparation method and application thereof, wherein the tooth discharger comprises an integrally formed tooth discharger body, the tooth discharger body comprises a lip side wall, a tongue side wall and a web, an upper tooth part of the lip side wall and an upper tooth part of the tongue side wall are protruded above the web and form an upper tooth groove with the web, a lower tooth part of the lip side wall and a lower tooth part of the tongue side wall are protruded below the web and form a lower tooth groove with the web, the upper tooth groove comprises an upper tooth insertion tooth discharge part, the lower tooth groove comprises a lower tooth insertion tooth discharge part, the upper tooth insertion tooth discharge part and the lower tooth insertion tooth discharge part generate acting force for enabling teeth to move obliquely, and the rotation center of the teeth to move obliquely is 1/3 of the length of a root tip root, and the upper tooth insertion tooth discharge part and the lower tooth insertion tooth discharge part are customized according to teeth of a user. The tooth row device can be used before a series of transparent appliances are worn, and a tooth co-locating channel can be obtained without replacing a plurality of tooth sleeves.
Description
Technical Field
The invention belongs to the technical field of dental aligners, and particularly relates to a dental aligner, a dental alignment sleeve box, a preparation method and application thereof.
Background
Orthodontic treatment includes a wide range of treatment procedures, generally involving correction of misalignment of teeth, abnormal teeth, etc., by oral techniques. There are various methods for orthodontic treatment, such as fixed appliances, removable appliances, etc., and the treatment method is selected according to the actual situation of teeth, the kind of dental deformity, etc., and the individual's requirements. Invisible or transparent appliances are a rapidly developing method for correcting dentition irregularities in recent years. The dentition is corrected by wearing a series of transparent appliances. The appliance not only can meet the need of correcting teeth, but also can avoid the defect that the traditional bracket correction can see the steel teeth, and is the hottest method for correcting teeth in the market at present. However, the series of transparent appliances generally need 20-30 sets to gradually arrange irregular teeth, and common positioning channels for putting the appliances are often difficult to form among the irregular teeth, so that the appliances cannot be well positioned to exert the correcting performance.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a tooth discharger, a tooth discharge box, and a preparation method and application thereof, wherein the tooth discharger comprises an integrally formed tooth discharger body, the tooth discharger body comprises a labial side wall, a lingual side wall and a web, the web connects the labial side wall and the lingual side wall, the labial side wall and the lingual side wall each have an upper tooth part and a lower tooth part, the upper tooth parts of the labial side wall and the lingual side wall protrude above the web, an upper tooth groove is formed with the web, the lower tooth parts of the labial side wall and the lower tooth part of the lingual side wall protrude below the web, a lower tooth groove is formed with the web, the upper tooth groove comprises an upper tooth insertion tooth discharging part, the upper tooth part of the labial side wall is provided with a first support part covering upper gums, the lower tooth groove comprises a lower tooth insertion discharging tooth part, the lower tooth part of the labial side wall is provided with a second support part covering lower gums, the lower tooth discharging tooth groove is formed with a tooth discharging tooth groove, the upper tooth discharging tooth groove is formed with a tooth 3 moving toward the center of the tooth discharging tooth, and the tooth discharging tooth is formed by rotating. The dental row device can be used before a series of transparent appliances are worn, and a co-locating way of teeth can be obtained without replacing a plurality of tooth sleeves.
To achieve the above and other related objects, a first aspect of the present invention provides a dental caries device including an integrally formed dental caries device body including a labial side wall, a lingual side wall and a web, the web connecting the labial side wall and the lingual side wall, the labial side wall and the lingual side wall each having an upper tooth portion and a lower tooth portion, the upper tooth portion of the labial side wall and the upper tooth portion of the lingual side wall protruding above the web, forming an upper tooth channel with the web, the lower tooth portion of the labial side wall and the lower tooth portion of the lingual side wall protruding below the web, forming a lower tooth channel with the web, the upper tooth channel including an upper tooth insertion tooth portion, the upper portion of the upper tooth portion of the labial side wall being provided with a first support portion covering upper gums, the lower tooth channel including a lower tooth insertion tooth portion, the lower portion of the lower tooth portion of the labial side wall being provided with a second support portion covering lower gums, the upper tooth insertion tooth portion and the lower tooth insertion tooth portion creating an inclined tooth abutment tooth ridge 3, the tooth insertion tooth ridge being positioned at a distance of a user's tooth center of inclination.
Preferably, the method further comprises at least one of the following technical characteristics:
1) The first support part for covering the gums in the front tooth area is 2-4 mm away from the gums in the front tooth area, the first support part for covering the gums in the double cuspid area is 2-3 mm away from the gums in the double cuspid area, and the first support part for covering the gums in the rear tooth area is 1-2 mm away from the gums in the rear tooth area;
2) An upper tooth buffer area is arranged at the position, corresponding to the upper gum boundary, of the side wall of the lip, the width of the upper tooth buffer area is 1-2 mm, and the distance between the upper tooth buffer area and the corresponding gum is 0.5-1 mm; the lip side wall is provided with a lower tooth buffer zone corresponding to the lower gum boundary, the width of the lower tooth buffer zone is 1-2 mm, and the distance between the lower tooth buffer zone and the corresponding gum is 0.5-1 mm.
Preferably, the tooth arranging device body is made of food-grade silica gel, and the Shore hardness is 30-60 degrees.
Preferably, the thickness of the tooth arranging device body is 2-4 mm.
Preferably, the shape and position of the upper teeth insertion row tooth parts and the lower teeth insertion row tooth parts match with the shape and position of teeth in the tooth alignment state of the user.
More preferably, the tooth alignment state refers to a state in which the teeth are moved obliquely to have a common track in the upper teeth and the lower teeth, respectively, starting from the initial position of the teeth of the user.
A second aspect of the invention provides the use of a dental aligner as described above to move teeth to take a co-located track of teeth, the dental aligner being used prior to the wearing of a series of transparent appliances.
The third aspect of the present invention provides a method for preparing the above tooth arrangement device, comprising the steps of:
1) Obtaining a model of the jawbone and teeth using cone-beam CT;
2) Obtaining a dental impression model by an impression method, and then obtaining the dental model by laser scanning;
3) Three-dimensional registration fusion is carried out on the model of the jawbone and the teeth and the dental model, and then the fused model of the jawbone and the teeth is extracted and obtained;
4) Taking the fused model of the jawbone and the teeth as an initial state, obliquely moving the teeth in the model to an aligned state, taking the model of the jawbone and the teeth in the aligned state as the model of the jawbone and the teeth after correction, wherein the obliquely moving takes a position which is 1/3 of the root length of the root tip of the tooth as a rotation center;
5) Manufacturing an injection mold by using the corrected jawbone and tooth model;
the injection mold is used for injection molding of the tooth discharger, wherein the upper tooth insertion tooth discharge part and the lower tooth insertion tooth discharge part of the tooth discharger are respectively matched with the shapes and positions of crowns of model teeth of the corrected jawbone and teeth;
6) Injecting silica gel into the injection mold obtained in the step 5) to obtain the tooth discharger.
Preferably, the teeth in the aligned state of the model of jawbone and teeth have a common track of position after alignment.
In a fourth aspect the present invention provides a tooth set comprising a tooth set as described above and one or more dental aligners.
As described above, the present invention has at least one of the following advantages:
1) The tooth arranging device can be used before wearing the tooth correcting device, and can obtain the co-positioning channels of teeth without changing a plurality of tooth sleeves, so that the problem of uneven teeth is solved;
2) Because the tooth arranging device disclosed by the invention uses the elastic silica gel material, the tooth arranging device is easy to position under the condition of dislocation of dentition, and the comfort level is higher.
3) Because the upper and lower parts of the tooth row device are connected into a whole, the tooth row device can form interaction force between jaws after being worn, and the sagittal relation of the upper and lower dentitions can be adjusted. Whereas in a typical transparent appliance, the appliances of the upper and lower dentitions are separate.
4) The invention obtains the model through cone beam CT and laser scanning, and then fuses, the obtained model is accurate, and the error is small;
5) The invention uses the 1/3 of the root length from the root tip of the tooth root as the rotation center to do tooth tilting movement, which accords with the physiological requirement of the tooth, so that the corrected tooth can reach an ideal health position.
Drawings
Fig. 1 shows a schematic view of a tooth row device according to the invention.
Fig. 2 is a schematic view of the dentifrices of fig. 1 from below.
Fig. 3 shows a cross-sectional view of the tooth row according to the invention.
Fig. 4 shows a schematic view of a tooth tilting movement with a rotation center of 1/3 of the root length from the root tip.
Reference numerals:
1. Lip side wall
11. A first support part
12. A second supporting part
2. Tongue side wall
3. Web plate
4. Upper tooth groove
41. Upper teeth insertion tooth arrangement part
5. Lower tooth groove
51. Lower teeth insertion tooth arrangement part
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1 and fig. 4. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
A tooth exhauster, as shown in fig. 1, 2 and 3, comprising an integrally formed tooth exhauster body, wherein the tooth exhauster body comprises a lip side wall 1, a tongue side wall 2 and a web 3, the web 3 connects the lip side wall 1 and the tongue side wall 2, the lip side wall 1 and the tongue side wall 2 are respectively provided with an upper tooth part and a lower tooth part, the upper tooth part of the lip side wall 1 and the upper tooth part of the tongue side wall 2 are projected above the web 3 to form an upper tooth groove 4 with the web 3, the lower tooth part of the lip side wall 1 and the lower tooth part of the tongue side wall 2 are projected below the web 3 to form a lower tooth groove 5 with the web 3, the upper tooth groove 4 comprises an upper tooth insertion tooth arrangement part 41, a first supporting part 11 for covering upper gums is arranged on the upper part of the upper tooth part of the lip side wall 1, the lower tooth groove 5 comprises a lower tooth insertion tooth arrangement part 51, a second supporting part 12 for covering lower gums is arranged on the lower part of the lower tooth part of the lip side wall 1, the upper tooth insertion tooth arrangement part 41 and the lower tooth insertion tooth arrangement part 51 generate acting force for enabling teeth to move obliquely, the rotation center of the tooth to move obliquely is 1/3 part long from the root cusp root, and the upper tooth insertion tooth arrangement part 41 and the lower tooth insertion tooth arrangement part 51 are ordered according to teeth of a user.
As shown in fig. 4, the rotation center of the tooth movement means that when a force is applied to the tooth body, the tooth body moves obliquely with this rotation center.
In a preferred embodiment, at least one of the following technical features is further included:
1) The first support part for covering the gums in the front tooth area is 2-4 mm away from the gums in the front tooth area, the first support part for covering the gums in the double cuspid area is 2-3 mm away from the gums in the double cuspid area, and the first support part for covering the gums in the rear tooth area is 1-2 mm away from the gums in the rear tooth area;
2) An upper tooth buffer area is arranged at the position, corresponding to the upper gum boundary, of the side wall of the lip, the width of the upper tooth buffer area is 1-2 mm, and the distance between the upper tooth buffer area and the corresponding gum is 0.5-1 mm; the lip side wall is provided with a lower tooth buffer zone corresponding to the lower gum boundary, the width of the lower tooth buffer zone is 1-2 mm, and the distance between the lower tooth buffer zone and the corresponding gum is 0.5-1 mm.
In a preferred embodiment, the material of the tooth arrangement device body 1 is food grade silica gel, and the shore hardness is 30-60 degrees.
In a preferred embodiment, the thickness of the tooth row body is 2-4 mm.
In a preferred embodiment, the upper teeth insert row of teeth 41 and the lower teeth insert row of teeth 51 are shaped and positioned to match the shape and position of the teeth of the user in alignment.
In a preferred embodiment, the tooth alignment state refers to a state in which the teeth are obliquely moved to have a common seating path with respect to the upper teeth and the lower teeth, respectively, starting from the initial position of the teeth of the user.
Use of a dental aligner as described above to move teeth to create a co-located tract of teeth, the dental aligner being used prior to the wearing of a series of transparent appliances.
The preparation method of the tooth arranging device comprises the following steps:
1) Obtaining a model of the jawbone and teeth using cone-beam CT;
2) Obtaining a dental impression model by an impression method, and then obtaining the dental model by laser scanning;
3) Three-dimensional registration fusion is carried out on the model of the jaw and the teeth and the dental model, and then the fused model of the jaw and the teeth is extracted and obtained, for example, the model of the jaw and the teeth can be fused with the characteristic points of at least one of the upper groove bone, the lower groove bone and the teeth in the dental model; the three-position registration fusion is realized by adopting the existing software;
4) Taking the fused model of the jawbone and the teeth as an initial state, obliquely moving the teeth in the model to an aligned state, taking the model of the jawbone and the teeth in the aligned state as the model of the jawbone and the teeth after correction, wherein the obliquely moving takes a position which is 1/3 of the root length of the root tip of the tooth as a rotation center; tooth movement is bounded by a horizontal alveolar bone width at 1/3 of the root length from the root apex;
5) Manufacturing an injection mold by using the corrected jawbone and tooth model;
the injection mold is used for injection molding of the tooth discharger, wherein the upper tooth insertion tooth discharge part and the lower tooth insertion tooth discharge part of the tooth discharger are respectively matched with the shapes and positions of crowns of model teeth of the corrected jawbone and teeth; the first supporting part is matched with the shape and the position of the teeth gum on the corrected jaw bone and tooth model; the second supporting part is matched with the shape and the position of the teeth gum under the model of the jaw bone and the teeth after the correction;
6) Injecting silica gel into the injection mold obtained in the step 5) to obtain the tooth discharger.
Preferably, the teeth in the aligned state of the model of jawbone and teeth have a common track of position after alignment.
In a fourth aspect the present invention provides a tooth set comprising a tooth set as described above and one or more dental aligners.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (5)
1. A dental discharge for moving teeth to obtain co-located lanes of teeth, the dental discharge being used prior to wearing a series of transparent appliances; the tooth discharger comprises an integrally formed tooth discharger body, the tooth discharger body comprises a lip side wall (1), a tongue side wall (2) and a web (3), the web (3) is connected with the lip side wall (1) and the tongue side wall (2), the lip side wall (1) and the tongue side wall (2) are respectively provided with an upper tooth part and a lower tooth part, the upper tooth part of the lip side wall (1) and the upper tooth part of the tongue side wall (2) are protruded above the web (3), an upper tooth groove (4) is formed with the web (3), the lower tooth part of the lip side wall (1) and the lower tooth part of the tongue side wall (2) are protruded below the web (3), a lower tooth groove (5) is formed with the web (3), the upper tooth groove (4) comprises an upper tooth insertion tooth discharging part (41), the upper tooth part of the lip side wall (1) is provided with a first supporting part (11) for covering upper gingiva, the lower tooth groove (5) comprises a lower tooth discharging part (51), the tooth discharging part is provided with a second tooth discharging tooth part (1) and a tooth discharging tooth part (1) is provided with a tooth discharging tooth part (1) and a tooth part (1) which is provided with a tooth discharging tooth part (1) and a tooth part) which is provided with a tooth groove (1) and a tooth discharging tooth part (1) and a tooth part (1) is provided with tooth discharging tooth, the upper teeth insertion tooth arrangement part (41) and the lower teeth insertion tooth arrangement part (51) are customized according to teeth of a user; the shape and the position of the upper teeth insertion tooth arrangement part (41) and the lower teeth insertion tooth arrangement part (51) are matched with the shape and the position of teeth in the tooth alignment state of a user; the tooth alignment state refers to a state that the teeth are obliquely moved to an upper tooth and a lower tooth respectively with a common positioning channel by taking the initial position of the teeth of a user as the start; the tooth arranging device body is made of food-grade silica gel, and the Shore hardness is 30-60 degrees; the thickness of the tooth arranging device body is 2-4 mm.
2. The tooth row according to claim 1, further comprising at least one of the following technical features:
1) The first support part for covering the gums in the front tooth area is 2-4 mm away from the gums in the front tooth area, the first support part for covering the gums in the double cuspid area is 2-3 mm away from the gums in the double cuspid area, and the first support part for covering the gums in the rear tooth area is 1-2 mm away from the gums in the rear tooth area;
2) An upper tooth buffer area is arranged at the position, corresponding to the upper gum boundary, of the side wall of the lip, the width of the upper tooth buffer area is 1-2 mm, and the distance between the upper tooth buffer area and the corresponding gum is 0.5-1 mm; the lip side wall is provided with a lower tooth buffer zone corresponding to the lower gum boundary, the width of the lower tooth buffer zone is 1-2 mm, and the distance between the lower tooth buffer zone and the corresponding gum is 0.5-1 mm.
3. The tooth row according to any one of claims 1 to 2, characterized in that the preparation method of the tooth row comprises the following steps:
1) Obtaining a model of the jawbone and teeth using cone-beam CT;
2) Obtaining a dental impression model by an impression method, and then obtaining the dental model by laser scanning;
3) Three-dimensional registration fusion is carried out on the model of the jawbone and the teeth and the dental model, and then the fused model of the jawbone and the teeth is extracted and obtained;
4) Taking the fused model of the jawbone and the teeth as an initial state, obliquely moving the teeth in the model to an aligned state, taking the model of the jawbone and the teeth in the aligned state as the model of the jawbone and the teeth after correction, wherein the obliquely moving takes a position which is 1/3 of the root length of the root tip of the tooth as a rotation center;
5) Manufacturing an injection mold by using the corrected jawbone and tooth model;
6) Injecting silica gel into the injection mold obtained in the step 5) to obtain the tooth discharger.
4. A dental aligner according to claim 3, wherein the aligned jawbone and teeth of the model of teeth have co-located channels after alignment.
5. A tooth set kit comprising a tooth set as claimed in any one of claims 1 to 2 and one or more dental aligners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607327.XA CN110464489B (en) | 2018-12-27 | 2018-12-27 | Tooth arranging device, tooth arranging sleeve box, and preparation methods and applications thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607327.XA CN110464489B (en) | 2018-12-27 | 2018-12-27 | Tooth arranging device, tooth arranging sleeve box, and preparation methods and applications thereof |
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| Publication Number | Publication Date |
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| CN110464489A CN110464489A (en) | 2019-11-19 |
| CN110464489B true CN110464489B (en) | 2024-09-27 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009201916A (en) * | 2008-02-29 | 2009-09-10 | Tetsuji Yamanouchi | Orthodontic device and its manufacturing method |
| CN209645100U (en) * | 2018-12-27 | 2019-11-19 | 上海交通大学医学院附属第九人民医院 | A kind of row's tooth device and row's braces box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101145105B1 (en) * | 2010-07-07 | 2012-05-15 | 구현웅 | A mouthpiece mounting the upper teeth |
| CN105411692B (en) * | 2015-12-15 | 2019-02-19 | 广州医科大学附属口腔医院 | A kind of III type personalized function appliance |
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2018
- 2018-12-27 CN CN201811607327.XA patent/CN110464489B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009201916A (en) * | 2008-02-29 | 2009-09-10 | Tetsuji Yamanouchi | Orthodontic device and its manufacturing method |
| CN209645100U (en) * | 2018-12-27 | 2019-11-19 | 上海交通大学医学院附属第九人民医院 | A kind of row's tooth device and row's braces box |
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| CN110464489A (en) | 2019-11-19 |
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