CN109770838A - Support device is used in a kind of dentistry front tooth inspection treatment - Google Patents
Support device is used in a kind of dentistry front tooth inspection treatment Download PDFInfo
- Publication number
- CN109770838A CN109770838A CN201910165596.3A CN201910165596A CN109770838A CN 109770838 A CN109770838 A CN 109770838A CN 201910165596 A CN201910165596 A CN 201910165596A CN 109770838 A CN109770838 A CN 109770838A
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- Prior art keywords
- bar
- horizon bar
- sheet rubber
- block
- bite
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- 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.)
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Links
- 238000007689 inspection Methods 0.000 title claims abstract description 28
- 229920001971 elastomer Polymers 0.000 claims abstract description 54
- 239000005060 rubber Substances 0.000 claims abstract description 54
- 210000000214 mouth Anatomy 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 12
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000002560 therapeutic procedure Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000005036 nerve Anatomy 0.000 description 3
- 210000003464 cuspid Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 206010011732 Cyst Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 241000370649 Odontodes Species 0.000 description 1
- 206010031252 Osteomyelitis Diseases 0.000 description 1
- 206010072574 Periodontal inflammation Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000031513 cyst Diseases 0.000 description 1
- 210000003074 dental pulp Anatomy 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 208000007565 gingivitis Diseases 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000003026 hypopharynx Anatomy 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 210000001847 jaw Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000002050 maxilla Anatomy 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 201000001245 periodontitis Diseases 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A kind of dentistry front tooth inspection treatment support device, it is related to a kind of tooth support device, M shape structure is set as in the middle part of elastic rod, horizon bar A(9 is respectively equipped with outside the two ends of M shape structural elasticity bar) and horizon bar B(13), the close outer end of horizon bar A and horizon bar B is respectively equipped with bite-block block (28), the horizon bar A and the outer end horizon bar B are connect with the lower end of outer support bar A(3) and outer support bar B(19) respectively, the outside of outer support bar A is equipped with sheet rubber A(4), the outside of outer support bar B is equipped with sheet rubber B(18)；The present invention is facilitated using the elasticity of elastic rod is sent into oral cavity, makes therapeutic process tooth avoid being engaged by bite-block block, sheet rubber can support big oral cavity and stop space to therapeutic process.
Description
[technical field]
The present invention relates to a kind of tooth support devices, and specifically the present invention relates to a kind of dentistry front tooth inspections to treat with support dress
It sets.
[background technique]
Known, tooth is first of processing program that food is sent into abdomen by people, bulk can be made to eat by teeth chewing
Object resolves into fritter, by the way that food to be resolved into the hypopharynx of fritter latter aspect instant food, on the other hand mitigates the digestion of stomach
Difficulty；Odontopathy is a kind of common disease, the disease of odontopathy i.e. hard tooth tissue, and the odontopathy that compatriots often suffer from present is broadly divided into four
Class, first is to decay tooth, and illness rate 50%, average every adult has 2.5 decayed teeth in the mouth, and average every children have in the mouth
4.5 decayed teeth;Second is periodontitis, illness rate 80%;Third is tooth deformity, and illness rate 50%, such odontodes is interior into outer
Out;4th is agomphosis, and most of interior ground over-65s personage all agomphosis, averagely the tooth ownership in every mouth is only 8.And
It is broadly divided into medical field odontopathy type following several: tooth residual crown, undesirable root infection, the devital tooth of dental nerve necrosis, Chronic periodontal
Inflammation, periapical inflammation, gingivitis, the cyst of jaw of infection, fascial space infection, the mandibular osteomyelitis etc. of various oral cavity faces；To tooth
When tooth is treated or checked, doctor needs sufferer to cooperate lips, then uses stomatoscopy；And using probe, pick digging
When device, vehicle needle etc. contact the utensil of dental nerve, sufferer can generate pain sharply, once at this moment sufferer bears and can't stand the upper jaw and the lower jaw just
It can sting together, probe can be made, pick excavator or vehicle needle is directly pricked by the dental pulp of tooth into dental nerve keeps sufferer injured, further led
Cause the generation of doctor-patient dispute.
[summary of the invention]
In order to overcome the shortcomings in the background art, the invention discloses a kind of dentistry front tooth inspection treatment support devices, utilize
The elasticity of elastic rod facilitate be sent into oral cavity, make therapeutic process tooth avoid being engaged by bite-block block, sheet rubber can support big oral cavity to
Therapeutic process stops space.
Realize that technical scheme is as follows:
A kind of dentistry front tooth inspection treatment support device, including elastic rod, bite-block block and sheet rubber, the middle part setting of elastic rod
For M shape structure, horizon bar A and horizon bar B, horizon bar A and horizon bar are respectively equipped with outside the two ends of M shape structural elasticity bar
The close outer end of B is respectively equipped with bite-block block, the horizon bar A and the outer end horizon bar B respectively with outer support bar A and outer support bar B
Lower end connection, the outside of outer support bar A is equipped with sheet rubber A, and the outside of outer support bar B is equipped with sheet rubber B.
The dentistry front tooth inspection treatment support device, the outer end horizon bar A of elastic rod connects under outer support bar A
End, the inner end horizon bar A are connect with the lower end of outer vertical rod A, and the upper end connection of outer vertical rod A passes through on the interior upright bar A of circular arc bending A connection
End, the lower end of interior upright bar A are connect with middle part horizon bar one end, and the other end of middle part horizon bar connects the interior lower end upright bar B, interior upright bar
The upper end B is connect by the upper end circular arc bending B connection outer vertical rod B, the lower end outer vertical rod B with the inner end horizon bar B, the horizon bar B's
Outer end is connect with the lower end outer support bar B.
The middle part of the described dentistry front tooth inspection treatment support device, the outer support bar A and outer support bar B respectively to
Outer arcuate protrusion.
The dentistry front tooth inspection, which is treated, uses support device, is respectively equipped with folding in the middle part of the horizon bar A and horizon bar B
It is curved, the arc convex towards oral cavity of M shape in the middle part of elastic rod is obtained by the bending of horizon bar A and horizon bar B.
The dentistry front tooth inspection treatment support device, sheet rubber A and sheet rubber B are identical structure, the rubber
The medial surface of piece A is respectively equipped with protrusion set A and protrusion set B up and down, and protrusion set A is equipped with perforation A, and protrusion set B is equipped with perforation
B。
The dentistry front tooth inspection treatment support device, the sheet rubber A and sheet rubber B are ellipsoidal structure,
Be exactly sheet rubber A two sides and upper end between be respectively equipped with the excessive A of circular arc, be respectively equipped between the two sides and lower end of sheet rubber A
The excessive B of circular arc.
The dentistry front tooth inspection treatment support device, the sheet rubber A and sheet rubber B are food grade silicone system
Make.
The dentistry front tooth inspection treatment support device, in the respectively arranged bite-block of horizon bar A and the outer end horizon bar B
Block is identical structure, and the through-hole of perforation is equipped in the middle part of the two sidewalls of the bite-block block, is set respectively in the upper side two sides of bite-block block
There is raised A, forms groove A between two protrusion A, the bottom surfaces two sides of the bite-block block are respectively equipped with another two protrusions A, convex another two
It rises and forms lower recess A between A.
The described dentistry front tooth inspection treatment support device, the inner face height of bite-block block be outside height three/
Two.
The dentistry front tooth inspection treatment support device, the bite-block block are food grade silicone production.
By above disclosure, the beneficial effects of the present invention are:
Dentistry front tooth inspection treatment support device of the present invention, by the way that M shape is arranged between horizon bar A and horizon bar B
The elastic rod of structure facilitates feeding oral procedures using the compression of elastic rod, when use tooth on grind one's teeth in sleep and under grind one's teeth in sleep and sting
Firmly bite-block block obtains therapeutic process dental articulation and injures to sufferer bring, and two sheet rubbers can support big oral cavity and give medical treatment mistake
Journey stops operating space；Sheet rubber A, sheet rubber B and two bite-block blocks of the invention uses silica gel material, is killed after use by high temperature
It is used multiple times after poison, elastic rod can also be used for multiple times after high-temperature sterilization.
[Detailed description of the invention]
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is elastic rod structural schematic diagram of the invention；
Fig. 3 is the A direction view of Fig. 2；
Fig. 4 is sheet rubber A medial surface structural schematic diagram of the invention；
Fig. 5 is bite-block block schematic perspective view of the invention；
Fig. 6 is intraoral tooth distribution schematic diagram；
In figure: 1, circular arc bending A；2, protrusion set A；3, outer support bar A；4, sheet rubber A；5, outer vertical rod A；6, groove A；7, convex
Play set B；8, protrusion A；9, horizon bar A；10, interior upright bar A；11, middle part horizon bar；12, interior upright bar B；13, horizon bar B；14, convex
Play B；15, protrusion set C；16, groove B；17, outer vertical rod B；18, sheet rubber B；19, outer support bar B；20, protrusion set D；21, circular arc
Bending B；22, the excessive A of circular arc；23, perforate A；24, perforate B；25, the excessive B of circular arc；26, through-hole；27, inner face；28, bite-block block；
29, upper lip；30, upper front tooth；31, it grinds one's teeth in sleep on；32, tongue；33, it grinds one's teeth in sleep under；34, canine tooth；35, lower front tooth；36, lower lip.
[specific embodiment]
The present invention is further detailed below with reference to embodiment；The following examples are not for limit of the invention
Fixed, only as the mode for supporting realization of the invention, any equivalent structure in technological frame disclosed in this invention is replaced,
For protection scope of the present invention；
The dentistry front tooth inspection treatment support device in conjunction with described in attached drawing 1 to 5, including elastic rod, bite-block block 28 and sheet rubber,
It is set as M shape structure in the middle part of elastic rod, is respectively equipped with horizon bar A9 and horizon bar outside the two ends of M shape structural elasticity bar
The close outer end of B13, horizon bar A9 and horizon bar B13 are respectively equipped with bite-block block 28, the horizon bar A9 and the outer end horizon bar B13
It is connect respectively with the lower end of outer support bar A3 and outer support bar B19, the outside of outer support bar A3 is equipped with sheet rubber A4, outer support bar
The outside of B19 is equipped with sheet rubber B18.
In conjunction with attached drawing 1 or 2, the lower end of the outer end the horizon bar A9 connection outer support bar A3 of elastic rod, the inner end horizon bar A9 with
The lower end of outer vertical rod A5 connects, and the upper end connection of outer vertical rod A5 passes through the upper end upright bar A10 in circular arc bending A1 connection, interior upright bar
The lower end of A10 is connect with 11 one end of middle part horizon bar, and the other end of middle part horizon bar 11 connects the interior lower end upright bar B12, interior upright bar
By the upper end circular arc bending B21 connection outer vertical rod B17, the lower end outer vertical rod B17 is connect with the inner end horizon bar B13, described for the upper end B12
The outer end of horizon bar B13 is connect with the lower end outer support bar B19；The middle part of the outer support bar A3 and outer support bar B19 respectively to
Outer arcuate protrusion.
In conjunction with attached drawing 1,2 or 3, be respectively equipped with bending in the middle part of the horizon bar A9 and horizon bar B13, by horizon bar A9 and
The bending of horizon bar B13 obtains the arc convex towards oral cavity of M shape in the middle part of elastic rod.
In conjunction with attached drawing 1 or 4, sheet rubber A4 and sheet rubber B18 are identical structure, that is, the medial surface of the sheet rubber A4
It is respectively equipped with protrusion set A2 and protrusion set B7 up and down, protrusion set A2 is equipped with perforation A23, and protrusion set B7 is equipped with perforation B24；Rubber
The medial surface of film B18 is respectively equipped on protrusion set B20 and protrusion set C15, protrusion set B20 and protrusion set C15 up and down and sets respectively
There is perforation B24, the sheet rubber A4 and sheet rubber B18 are between ellipsoidal structure, that is, the two sides and upper end of sheet rubber A4
It is respectively equipped with the excessive A22 of circular arc, the excessive B25 of circular arc is respectively equipped between the two sides and lower end of sheet rubber A4.
It is identical knot in the respectively arranged bite-block block 28 of horizon bar A9 and the outer end horizon bar B13 in conjunction with attached drawing 1,2,3 or 5
Structure is equipped with the through-hole 26 of perforation in the middle part of the two sidewalls of the bite-block block 28 on horizon bar A9, in the upper side two sides of bite-block block 28 point
Groove A6 She You not be formed between protrusion A8, two protrusion A8, the bottom surfaces two sides of the bite-block block 28 are respectively equipped with another two protrusion
A8 forms lower recess A6 between another two protrusions A8；It is equipped with and passes through in the middle part of the two sidewalls of another bite-block block 28 on horizon bar B13
Logical through-hole is respectively equipped with raised B14 in the upper side two sides of another bite-block block 28, forms groove B16 between two protrusion B14,
The bottom surfaces two sides of the bite-block block 28 are respectively equipped with another two protrusion, and lower recess, bite-block block 28 are formed between another two protrusion
27 height of inner face be outside height 2/3rds.
Further, the bite-block block 28 is food grade silicone production；The sheet rubber A4 and sheet rubber B18 is food-grade silicon
Glue production.
Implement dentistry front tooth inspection treatment support device of the present invention, in conjunction with attached drawing 1 to 6, assembling process is:
Horizon bar A9 is pulled down to after the through-hole 26 of two bite-block blocks 28 is put on by the upper end of outer support bar A3 and outer support bar B19
At the close outer end of horizon bar B13, then the protrusion set B7 perforation B24 of sheet rubber A4 inner face is covered in outer support rod A3 or more
It draws, when protrusion set A2 reaches the outer support bar upper end A3, the perforation A23 of protrusion set A2 is covered and is pulled down on outer support rod A3；So
The protrusion set C15 of sheet rubber B18 inner face and protrusion set D20 are mounted on outer support bar B19 according to the method for sheet rubber A4 afterwards
For use；
In use, press the lateral surface of outer vertical rod A5 and outer vertical rod B17 respectively using thumb and index finger, sheet rubber A4 at this moment
With sheet rubber B18 to contract, sufferer opens after mouth that upper lip 29 and maxilla are upward, and lower lip 36 and lower jaw are downward, tongue 32
It is close to the structure that attached drawing 6 is formed at oral cavity lower part, then the present invention is sent into mouth, grinds one's teeth in sleep 31 when two bite-block blocks 28 reach in mouth
Grind one's teeth in sleep under 33 position when, slowly unclamp outer vertical rod A5 and outer vertical rod B17, at this moment outer bullet of the sheet rubber A4 by outer support bar A3
It is respectively supported on the cheek on the outside of tooth with sheet rubber B18 by the outer bullet of outer support bar B19, the upper mill of the upper jaw and the lower jaw two sides
Tooth 31 and under grind one's teeth in sleep 33 grooves for biting two bite-block blocks 28 respectively, doctor can give upper front tooth 30, canine tooth 34 or lower front tooth at this time
35 conduct a survey or treat.
Part not in the detailed description of the invention is the prior art.
Claims (10)
1. a kind of dentistry front tooth inspection treatment support device, including elastic rod, bite-block block (28) and sheet rubber, it is characterized in that:
It is set as M shape structure in the middle part of elastic rod, is respectively equipped with horizon bar A(9 outside the two ends of M shape structural elasticity bar) and it is horizontal
Bar B(13), horizon bar A(9) and horizon bar B(13) close outer end be respectively equipped with bite-block block (28), the horizon bar A(9) and
Horizon bar B(13) outer end connect with the lower end of outer support bar A(3) and outer support bar B(19) respectively, outer support bar A(3) outside
Equipped with sheet rubber A(4), outer support bar B(19) outside be equipped with sheet rubber B(18).
2. dentistry front tooth inspection treatment support device according to claim 1, it is characterized in that: the horizon bar A of elastic rod
(9) outer end connects outer support bar A(3) lower end, horizon bar A(9) inner end connect with the lower end of outer vertical rod A(5), outer vertical rod A(5)
Upper end connection pass through circular arc bending A(1) connect in upright bar A(10) upper end, interior upright bar A(10) lower end and middle part horizon bar
(11) one end connects, the other end of middle part horizon bar (11) connect in upright bar B(12) lower end, interior upright bar B(12) upper end passes through circle
Arc bending B(21) connection outer vertical rod B(17) upper end, outer vertical rod B(17) lower end connect with the inner end horizon bar B(13), the level
Bar B(13) outer end connect with the lower end outer support bar B(19).
3. dentistry front tooth inspection treatment support device according to claim 1 or 2, it is characterized in that: the outer support bar A
(3) and outer support bar B(19) middle part distinguish outside arc convex.
4. dentistry front tooth inspection treatment support device according to claim 1 or 2, it is characterized in that: the horizon bar A
(9) and horizon bar B(13) in the middle part of be respectively equipped with bending, by horizon bar A(9) and horizon bar B(13) bending obtain elastic rod
The arc convex towards oral cavity of middle part M shape.
5. dentistry front tooth inspection treatment support device according to claim 1, it is characterized in that: sheet rubber A(4) and rubber
Piece B(18) be identical structure, the sheet rubber A(4) medial surface up and down be respectively equipped with protrusion set A(2) and protrusion cover B(7), it is convex
Play set A(2) it is equipped with perforation A(23), protrusion set B(7) it is equipped with perforation B(24).
6. dentistry front tooth inspection treatment support device according to claim 5, it is characterized in that: the sheet rubber A(4) and
Sheet rubber B(18) be ellipsoidal structure, that is, sheet rubber A(4) two sides and upper end between be respectively equipped with the excessive A of circular arc
(22), sheet rubber A(4) two sides and lower end between be respectively equipped with the excessive B(25 of circular arc).
7. dentistry front tooth inspection treatment support device according to claim 1 or 5, it is characterized in that: the sheet rubber A
(4) and sheet rubber B(18) be food grade silicone make.
8. dentistry front tooth inspection treatment support device according to claim 1, it is characterized in that: in horizon bar A(9) and water
Flat bar B(13) the respectively arranged bite-block block (28) in outer end is identical structure, it is equipped with and passes through in the middle part of the two sidewalls of the bite-block block (28)
Logical through-hole (26) is respectively equipped with raised A(8 in the upper side two sides of bite-block block (28)), two protrusion A(8) between formed groove A
(6), the bottom surfaces two sides of the bite-block block (28) are respectively equipped with another two protrusions A(8), in another two protrusions A(8) between form lower part
Groove A(6).
9. dentistry front tooth inspection treatment support device according to claim 8, it is characterized in that: the inner face of bite-block block (28)
(27) height is 2/3rds of outside height.
10. dentistry front tooth inspection treatment support device according to claim 1 or 8, it is characterized in that: the bite-block block
(28) it is made for food grade silicone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165596.3A CN109770838B (en) | 2019-03-06 | 2019-03-06 | Supporting device for dental incisor examination and treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165596.3A CN109770838B (en) | 2019-03-06 | 2019-03-06 | Supporting device for dental incisor examination and treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109770838A true CN109770838A (en) | 2019-05-21 |
| CN109770838B CN109770838B (en) | 2022-03-04 |
Family
ID=66487328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910165596.3A Expired - Fee Related CN109770838B (en) | 2019-03-06 | 2019-03-06 | Supporting device for dental incisor examination and treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109770838B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754714A (en) * | 2021-01-16 | 2021-05-07 | 区树坚 | Oral cavity expander for assisting tooth cleaning and self-checking of cleaning conditions of deep teeth |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916880A (en) * | 1974-06-14 | 1975-11-04 | Wolfgang Schroer | Device for holding open the mouth |
| CN2164790Y (en) * | 1992-12-26 | 1994-05-18 | 李承圜 | Mouth opener |
| CN206896323U (en) * | 2016-10-09 | 2018-01-19 | 廊坊新超医疗器械有限公司 | A kind of opener |
| CN107713973A (en) * | 2017-11-22 | 2018-02-23 | 郭英娜 | A kind of special mouth mirror of oral restoration |
| CN108888305A (en) * | 2013-03-15 | 2018-11-27 | 厄耳他拉登脱产品股份有限公司 | Cheek pull device and method |
-
2019
- 2019-03-06 CN CN201910165596.3A patent/CN109770838B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916880A (en) * | 1974-06-14 | 1975-11-04 | Wolfgang Schroer | Device for holding open the mouth |
| CN2164790Y (en) * | 1992-12-26 | 1994-05-18 | 李承圜 | Mouth opener |
| CN108888305A (en) * | 2013-03-15 | 2018-11-27 | 厄耳他拉登脱产品股份有限公司 | Cheek pull device and method |
| CN206896323U (en) * | 2016-10-09 | 2018-01-19 | 廊坊新超医疗器械有限公司 | A kind of opener |
| CN107713973A (en) * | 2017-11-22 | 2018-02-23 | 郭英娜 | A kind of special mouth mirror of oral restoration |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754714A (en) * | 2021-01-16 | 2021-05-07 | 区树坚 | Oral cavity expander for assisting tooth cleaning and self-checking of cleaning conditions of deep teeth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109770838B (en) | 2022-03-04 |
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Effective date of registration: 20220216 Address after: 272000 Jining stomatological hospital, No. 64, gongqingtuan Road, Rencheng District, Jining City, Shandong Province Applicant after: Cao Ting Address before: 315456 No. 110, Zhangfang, moushan village, moushan Town, Yuyao City, Ningbo City, Zhejiang Province Applicant before: Zheng Binbin |
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