CN109431640B - Special dipperstick of oral cavity clearance - Google Patents
Special dipperstick of oral cavity clearance Download PDFInfo
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- CN109431640B CN109431640B CN201811526044.2A CN201811526044A CN109431640B CN 109431640 B CN109431640 B CN 109431640B CN 201811526044 A CN201811526044 A CN 201811526044A CN 109431640 B CN109431640 B CN 109431640B
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- 210000000214 mouth Anatomy 0.000 title abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 20
- 239000003086 colorant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002200 mouth mucosa Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
Abstract
The invention discloses a special measuring ruler for an oral cavity gap, which comprises a main body and a measuring part which is arranged at one end of the main body and is vertical to the main body, wherein the measuring part is a cone which is sectioned into two halves with the same structure along the vertical plane of the center, the bottom of the measuring part is fixed on the main body, the radius of the bottom is 1.0mm, the radius of the top of the measuring part is 0.1mm, the cambered surface of the measuring part is aligned with the side surface of the main body, a first scale is arranged on the outer side wall of the semi-cone along the high direction, the measuring range of the first scale is 0.1-1.0 mm, and the precision is 0.1mm. The measuring part and the main body are vertically arranged to form the measuring ruler, the measuring part is a semicircle cone, when the measuring part is used, the semicircle cone is placed at the tooth gap, the tooth gap distance can be directly read out through the radius of the circumference of the cone where the tooth gap is positioned, the gap measurement of front teeth and rear teeth is convenient, and the first main ruler and the second main ruler which are matched with the measuring ruler are arranged for use, so that the direct measurement of the oral cavity gap beside an oral cavity external chair is realized.
Description
Technical Field
The invention relates to a special measuring ruler for oral gaps, and belongs to the technical field of dental gap measurement.
Background
Intra-oral gap measurement is beneficial for doctors to know the tooth arrangement of patients. Currently, intra-oral gap measurements include 2 methods: firstly, by a model analysis method, namely, the measurement is carried out outside the oral cavity through a special orthodontic ruler after the model is taken and poured, the measurement method has accurate measured clearance data, but the measurement time is long, the direct measurement of the clearance in the oral cavity can not be completed at the chair rapidly, and the examination and evaluation in orthodontic treatment are not facilitated; secondly, measure through measuring device, current measuring device needs both hands to operate, and just can only realize the measurement to anterior tooth clearance, is difficult to measure the back tooth clearance, and because the volume is great, can't stretch into in the oral cavity and measure the back tooth clearance, and the scale is close to the measuring end, can't read outside the oral cavity. The patent number 201521051288.1 discloses a tooth gap measuring device which solves the problem of double-hand operation, but is difficult to measure the back tooth gap and read outside the oral cavity, and has limitation on the measuring range and accuracy when measuring the micro gap.
Disclosure of Invention
The invention aims to provide the special measuring ruler for the oral cavity gap, which is simple to operate, can measure the gaps between the front teeth and the rear teeth and is suitable for measuring the micro gap.
The invention aims at realizing the following technical scheme:
the utility model provides a special dipperstick of oral cavity clearance, the dipperstick includes main part and sets up in main part one end and with main part vertically measuring part, measuring part is half in the cone cuts into the same two halves of structure along its central vertical plane, and measuring part's bottom is fixed in the main part and bottom radius is 1.0mm, and its top radius is 0.1mm, and measuring part's cambered surface aligns with the side of main part, be equipped with first scale along the high direction on the lateral wall of semicircle cone, the measuring range of first scale is 0.1~1.0mm, and the precision is 0.1mm.
Further, a circle of scale lines of the first scale are arranged around the half circumference of the measuring part, and different color layers are filled in the scale lines.
Another object of the present invention is to provide a measuring tape specially adapted for oral cavity gap which is simple to operate, can measure the gap between anterior teeth and posterior teeth, and can read outside the oral cavity.
The other purpose of the invention is realized by the following technical scheme:
the utility model provides a special measurement ruler set of oral cavity clearance, includes first main scale and dipperstick, first main scale includes spout spare and measurement spare, spout one end on the spout spare is the blind end, and the other end is the open end, measurement spare includes cover piece, connecting rod, transfer line and spring spare, spring spare one end is installed on the blind end of spout spare, and the other end fixed mounting is on the transfer line, but the transfer line movable mounting is on the spout and leave the space with the spout bottom, and the transfer line is kept away from spring spare one end and is articulated with the one end of connecting rod, and the other end of connecting rod is articulated with the cover piece, and the cover piece center is opened has the semicircle orifice the same with measurement portion bottom cross-section size shape; one end of the measuring ruler, which is far away from the measuring part, slides into the chute from the open end of the chute piece, the top of the measuring part is leveled with the sleeve piece and concentric with the semicircular hole, a second graduated scale is arranged on the measuring piece, and an initial graduated mark of the second graduated scale is positioned under the joint of the transmission rod and the spring piece.
Further, the scale range of the second scale is 0.1-1.0 mm, and the precision is 0.1mm.
It is still another object of the present invention to provide a special measuring set bar for measuring the gaps between the front teeth and the rear teeth, which is easy to operate, and which can be read outside the oral cavity, has a large measuring range, and has high measuring accuracy.
The invention also aims at realizing the following technical scheme:
the special measuring sleeve ruler for the oral cavity gap comprises a second main ruler and a measuring ruler, wherein the second main ruler comprises a ruler body and a fixing part which is arranged at one end of the ruler body and is perpendicular to the ruler body, a sliding groove is formed in the surface of the ruler body provided with the fixing part, one end of the sliding groove is positioned at one side of the fixing part and is a closed end, the other end of the sliding groove penetrates through the side surface of the ruler body to be an open end, a third graduated scale is arranged on the surface of the ruler body, which is a certain distance away from the fixing part, and an initial graduated mark of the third graduated scale is close to the fixing part; the measuring ruler is characterized in that a handle is arranged on the measuring ruler, a fourth graduated scale is marked on the handle, an initial graduated scale of the fourth graduated scale is located at the end, close to the measuring part, of the handle, one end, provided with the measuring part, of the measuring ruler slides in from the open end of the sliding groove, and when the plane of the measuring part is in contact with the fixing part, the initial graduated scale of the fourth graduated scale is overlapped with the initial graduated scale of the third graduated scale.
Further, the certain distance of the distance fixing part means that the distance from the initial scale mark of the third scale to the fixing part is 65mm.
Further, the length of the main body of the measuring ruler is shorter than the length of the sliding groove, and the tail end of the sliding groove is provided with a detachable sealing block matched with the sliding groove.
Further, the scale range of the third scale is 1-30 mm, the fourth scale is a 10-scale vernier, and the precision of the cooperation of the third scale and the fourth scale can reach 0.1mm.
Further, the measuring ruler is made of stainless steel materials.
The invention has the following beneficial effects:
(1) The measuring part and the main body are vertically arranged to form a measuring ruler, the measuring part is a semicircle cone, when the measuring ruler is used, the semicircle cone is placed at the tooth gap, the tooth gap distance can be directly read through the radius of the circumference of the semicircle cone where the tooth gap is positioned, and the gap measurement of front teeth and rear teeth is facilitated;
(2) Filling different colors into scale marks of a graduated scale on the side wall of the semi-cone, and directly reading out data through the colors to improve the reading speed;
(3) The measuring rule and the first main rule are matched and combined into a sleeve rule, and when in measurement, the distance moved by the sleeve piece is converted into the distance moved by the transmission rod on the first main rule, so that the reading outside the oral cavity is realized;
(4) The measuring ruler and the second main ruler are matched and combined into the sleeve ruler, the measuring ruler is driven to move through the handle during measurement, the measuring part and the fixing part are respectively positioned on the side walls of two teeth, the tooth gap is measured through the handle and the graduated scale, the measuring range is larger, the gap of 1-30 mm can be measured, and the precision is higher by adopting the principle of a vernier caliper;
(5) The graduated scale is positioned outside the oral cavity by a certain distance from the graduated scale distance measuring part, so that the graduated scale is convenient for medical staff to directly read, preferably 65mm, and is suitable for most of the oral cavities;
(6) The device has small volume, is easy to stretch into the oral cavity for measurement, is not easy to scratch the oral mucosa, and is more beneficial to the single-hand operation of medical staff.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic diagram of the conversion between the first scale and the second scale according to the present invention.
Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
The marks in the figure: 1. a measuring ruler; 11. a main body; 12. a measuring section; 21. a chute member; 22. a sleeve piece; 23. a connecting rod; 24. a transmission rod; 25. a spring member; 31. a ruler body; 32. a fixing part; 33. a handle; 34. and (5) closing the block.
Detailed Description
Example 1
As shown in fig. 1, the measuring scale special for oral cavity gap provided in this embodiment comprises a main body 11 and a measuring part 12, wherein the main body 11 is a cuboid made of stainless steel, the length and width of the cuboid is 80×2.0×1.0mm, the measuring part 12 is vertically installed on one end surface of the main body 11, the measuring part 12 is a semi-cone made of stainless steel, the semi-cone is any half of the same two halves of the cone which is formed by cutting the cone in half along the height direction from the circular center line of the bottom surface, the bottom of the semi-cone is fixed on the main body 11, and the radius of the bottom is 1.0mm, the radius of the top of the semi-conical body is 0.1mm, the cambered surface of the semi-conical body is aligned with one side of the main body, a first scale is arranged on the outer side wall of the semi-conical body along the height direction, the measuring range of the first scale is 0.1 mm-1.0 mm, the precision is 0.1mm, the scale mark of the first scale is wound around the semi-circumference of the semi-conical body, namely, the radius of the semi-circumference is equal to the multi-representative value of the scale mark, and the scale marks of the first scale are arranged at equal intervals. Different colors are filled in the scale marks, chromatic aberration among the different colors is large, and the size of the numerical value represented by the scale marks can be identified through the colors.
When the measuring ruler 1 is used, the measuring ruler 1 is horizontally placed in an oral cavity, the measuring part 12 is positioned at a tooth gap (the tooth gap is smaller than 1.0 mm), teeth on two sides of the gap are contacted with the measuring part 12, particularly teeth on the far side of the gap are contacted with the cambered surface of the measuring part, teeth on the near side of the gap are contacted with the plane of the measuring part, the size of the gap can be obtained by reading the values of scale marks contacted with the measuring part 12, the measuring ruler 1 is suitable for measuring small gaps, the front teeth and the rear teeth can be measured, the measuring ruler can be operated by one hand, the reading is convenient, and the gap measurement can be completed beside a chair.
In addition, the shape of the measuring part can be a pyramid structure with one side plane and the other side being an inclined plane, and the gap can be measured.
Example 2
As shown in fig. 2, the special measuring ruler set for oral cavity gap provided in this embodiment includes a first main ruler and a measuring ruler 1, the first main ruler includes a chute piece 21 and a measuring piece, the chute piece 21 is in a cuboid structure, the length and width of the chute piece are 80×4.0×2.0mm, the top surface of the chute piece is provided with a chute, the length and width of the chute are 79×2.0×1.5mm, one end of the chute is a closed end, the other end is an open end, the measuring piece sleeve 22, a connecting rod 23, a driving rod 24 and a spring piece 25 are arranged on the chute in a movable manner and are not contacted with the bottom of the chute, a gap of 1mm is reserved, one end of the driving rod 24 close to the closed end of the chute is connected with the spring piece 25, the spring piece 25 is fixed on the side wall of the chute at the closed end, one end of the driving rod 24 away from the spring piece 25 is hinged with one end of the connecting rod 23, and the other end of the connecting rod 23 is hinged with the sleeve 22; the measuring scale 1 of the embodiment 1 is adopted in the measuring scale 1, one end of the measuring scale 1 far away from the measuring part 12 slides into the chute from the open end of the chute piece 21, the top of the measuring part 12 is leveled and concentric with the bottom radius of the measuring part 12, namely, the sleeve piece 22 is provided with a semicircular hole with the same shape and size as the bottom surface of the measuring part 12, the measuring part 12 can pass through the semicircular hole of the sleeve piece 22, when the sleeve piece 22 is leveled and concentric with the top of the measuring part 12, the connecting rod 23 is vertical to the connecting rod 24 and the sleeve piece 22, the length of the connecting rod 23 is equal to the height of the measuring part 12, when the sleeve piece 22 is leveled and concentric with the bottom of the measuring part 12, the radius of the semicircular hole of the sleeve piece 22 is equal to the radius of the bottom of the measuring part 12, namely, 1.0mm, the sleeve piece 22 can be positioned at the gap teeth to play a role of blocking, and the sleeve piece 22 can be just sleeved on the bottom of the measuring part 12, and the radius of the connecting rod 24, the connecting rod 23 and the sleeve piece 22 form a straight line. The sliding groove piece 21 is provided with a second graduated scale on the surface with the sliding groove, the graduation range of the second graduated scale is 0.1-1.0 mm, the precision is 0.1mm, in order to facilitate reading, the graduation line can be extended to the side surface of the sliding groove piece 21, the initial graduation of the second graduated scale is 0.1mm and is positioned under the joint of the transmission rod 24 and the spring piece 25 (the spring piece 25 is in a natural state), the linear distance between the initial graduation line and the bottom of the measuring part 12 is 65mm, the second graduated scale is suitable for most oral cavities, no matter the front teeth or the rear teeth are measured, the second graduated scale is outside the oral cavity, the graduation line can be conveniently read, and the 1.0 graduation line of the second graduated scale is close to the closed end of the sliding groove piece 21.
The relationship between the second scale and the first scale is as follows, as shown in fig. 3, and the formula is converted:
t represents the value of the scale mark of the second scale; alpha is the angle of the section of the measuring part; r represents the value of the first scale mark.
When the measuring ruler is used, the measuring ruler 1 is horizontally placed in an oral cavity, the measuring part 12 is positioned at one side of a gap (smaller than 1.0 mm) to be measured, the measuring part moves slowly towards the gap, the sleeve piece 22 is positioned at the inner side or the outer side of teeth when moving, namely, the sleeve piece 22 is tightly attached to the labial (lingual) surfaces or the maxillofacial surfaces of the teeth at two sides of the gap, the measuring part 12 moves towards the gap, at the moment, the connecting rod pushes the transmission rod 24 to move towards the closed end, the spring piece 25 is compressed, when the measuring part 12 is contacted with the teeth at two sides of the gap, particularly, the teeth at the far side of the gap are contacted with the cambered surface of the measuring part, the teeth at the near side of the gap are contacted with the plane of the measuring part, the radius of the cone of the gap is the same as that of the cone of the measuring part 12, the graduation represented by the graduation mark at one end of the transmission rod 24 is the graduation mark at the end of the spring piece 25 is the value of the gap, and the measuring ruler is suitable for measuring with small gap.
Example 3
The technical scheme provided in this embodiment is basically the same as that provided in embodiment 2, and only the chute member 21 and the measuring scale 1 are integrally formed, so that a chute is formed on the plane on which the measuring portion 12 is mounted on the main body 11 of the measuring scale 1, and the measuring member is mounted in the chute, so that the same functions and effects as those in embodiment 2 can be achieved, and parts are reduced.
Example 4
As shown in fig. 4, the special measuring set rule for oral cavity gap provided in this embodiment includes a second main rule and a measuring rule 1, the second main rule includes a rule body 31 and a fixing portion 32, the rule body 31 is a cuboid, the length and width of the rule body 31 is 110×3.0×1.5mm, the top surface of the rule body is opened with a chute, the length and width of the chute are 109×2.0×1.1mm, both ends of the chute are open ends, one end of the chute is vertically provided with the fixing portion 32, the fixing portion 32 may be a sheet-shaped body or a columnar body, if the columnar body is preferentially installed on one side of one end of the chute, the length of the columnar body is 1.0-3.0 mm, the width of the columnar body is equal to the maximum radius of the measuring portion 12, namely 1.0mm, the height of the columnar body is equal to the measuring portion 12 of the measuring rule 1, namely 1.0mm, the measuring portion 12 end of the measuring rule 1 in the measuring portion 1 is slid from the open end of the chute of the rule body 31, the measuring portion 12 is overlapped with the fixing portion 32, the overlapping means that the horizontal plane of the measuring portion 12 is aligned with the fixing portion 32 side of the fixing portion 32, and the side of the fixing portion 32 is aligned with the side of the fixing portion 11 mm, and the body is also fixed with the body 11 and can be integrally formed on one side of the body 11, and can be fixed by a large-shaped body 11, and a large-piece is formed on the side of the body, and can be fixed by the body 11, and a large-piece is formed by the body is attached to the side and a large-piece is attached to the body 11. The handle 33 is at a certain distance from the measuring part 12, specifically, the distance from the handle 33 to the fixed part 32 is 65mm, a third graduated scale is arranged on the surface of the scale body 31, the initial graduated scale of the third graduated scale is close to the fixed part 32, a fourth graduated scale is arranged on the handle 33, the initial graduated scale of the fourth graduated scale is positioned at the end part of the handle 33 close to the measuring part 12, when the measuring part 12 is overlapped with the fixed part 32, the initial graduated scale of the fourth graduated scale is overlapped with the initial graduated scale of the third graduated scale, the graduated scale range of the third graduated scale is 1-30 mm, the precision is 1mm, the fourth graduated scale is a 10-degree vernier scale, and the third graduated scale and the fourth graduated scale are matched for use during measurement, the principle is the same as that of a vernier caliper, and the measuring precision can reach 0.1mm. The graduation marks of the third graduation ruler and the fourth graduation ruler can be extended to the side face of the part, namely, the graduation marks of the third graduation ruler can be extended to the side face of the ruler body 31, and the graduation marks of the fourth graduation ruler can be extended to the side face of the handle 33. The length of the main body 11 of the measuring scale 1 is shorter than the length of the chute, and a detachable sealing block 34 matched with the chute is arranged at the open end (the end far away from the fixed part 32), and the structure of the detachable sealing block is similar to that of a blade mounting block of an art knife, so that the measuring scale 1 can be prevented from sliding out of the second main scale.
The handle 33 has a protrusion at one end near the open end of the chute for facilitating the measurement of force.
When the measuring sleeve ruler is used, the measuring sleeve ruler is horizontally placed in an oral cavity, the fixing part 32 is in contact with the teeth at the far end of the gap, the measuring ruler 1 is slid through the handle 33, the top of the measuring part 12 is in contact with the teeth at the near end of the gap, then the numerical value is read out according to the reading principle of a vernier caliper, namely the size of the gap is measured, the measuring sleeve ruler has large measuring range and high measuring precision, and the measuring can be completed beside an external chair of the oral cavity.
The measuring ruler 1 or the measuring sleeve ruler provided by the embodiments 1 to 4 are made of stainless steel materials, and are convenient to clean and sterilize. Simultaneously, each surface of the measuring ruler 1 or the measuring sleeve ruler is polished to be a smooth surface, in particular to a surface of the sliding groove, the sliding groove piece 21 and the ruler body 31 which need to be in sliding fit, so that friction force can be reduced.
The foregoing is merely a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present invention should be covered in the scope of the present invention.
Claims (7)
1. A special measuring tape for oral gaps, comprising:
the measuring ruler comprises a main body and a measuring part which is arranged at one end of the main body and is vertical to the main body, wherein the measuring part is a half of a cone which is cut into two half parts with the same structure along the vertical plane of the center, the bottom of the measuring part is fixed on the main body, the radius of the bottom is 1.0mm, the radius of the top of the measuring part is 0.1mm, the cambered surface of the measuring part is aligned with the side surface of the main body, a first scale is arranged on the outer side wall of the measuring part along the height direction, the measuring range of the first scale is 0.1-1.0 mm, and the precision is 0.1mm;
the first main scale comprises a chute piece and a measuring piece, wherein one end of a chute on the chute piece is a closed end, the other end of the chute piece is an open end, the measuring piece comprises a sleeve piece, a connecting rod, a transmission rod and a spring piece, one end of the spring piece is arranged on the closed end of the chute piece, the other end of the spring piece is fixedly arranged on the transmission rod, the transmission rod is movably arranged on the chute and leaves a gap with the bottom of the chute, one end of the transmission rod, which is far away from the spring piece, is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the sleeve piece, and a semicircular hole with the same size and shape as the section of the bottom of the measuring part is arranged in the center of the sleeve piece; one end of the measuring ruler, which is far away from the measuring part, slides into the chute from the open end of the chute piece, the top of the measuring part is leveled with the sleeve piece and concentric with the semicircular hole, a second graduated scale is arranged on the measuring piece, and an initial graduated mark of the second graduated scale is positioned right below the joint of the transmission rod and the spring piece;
the second main scale comprises a scale body and a fixing part which is arranged at one end of the scale body and is vertical to the scale body, a chute is formed in the surface of the scale body provided with the fixing part, one end of the chute is positioned at one side of the fixing part and is a closed end, the other end of the chute penetrates through the side surface of the scale body to be an open end, a third graduated scale is arranged on the surface of the scale body, which is a certain distance away from the fixing part, and an initial graduated mark of the third graduated scale is close to the fixing part; the measuring ruler is characterized in that a handle is arranged on the measuring ruler, a fourth graduated scale is marked on the handle, an initial graduated scale of the fourth graduated scale is located at the end, close to the measuring part, of the handle, one end, provided with the measuring part, of the measuring ruler slides in from the open end of the sliding groove, and when the plane of the measuring part is in contact with the fixing part, the initial graduated scale of the fourth graduated scale is overlapped with the initial graduated scale of the third graduated scale.
2. The special measuring set of oral gaps according to claim 1, characterized in that: the scale mark of the first scale is wound around the half circumference of the measuring part, and different color layers are filled in the scale mark.
3. The special measuring set of oral gaps according to claim 1, characterized in that: the scale range of the second scale is 0.1-1.0 mm, and the precision is 0.1mm.
4. The special measuring set of oral gaps according to claim 1, characterized in that: the certain distance of the distance fixing part means that the distance between the initial scale mark of the third scale and the fixing part is 65mm.
5. The special measuring set of oral gaps according to claim 1, characterized in that: the length of the main body of the measuring ruler is shorter than that of the chute, and a detachable sealing block matched with the chute is arranged at the tail end of the chute.
6. The special measuring set of oral gaps according to claim 1, characterized in that: the scale range of the third scale is 1-30 mm, the fourth scale is a 10-scale vernier, and the precision of the cooperation of the third scale and the fourth scale can reach 0.1mm.
7. The special measuring set ruler for oral gaps according to any one of claims 1 to 6, wherein: the measuring ruler is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811526044.2A CN109431640B (en) | 2018-12-13 | 2018-12-13 | Special dipperstick of oral cavity clearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811526044.2A CN109431640B (en) | 2018-12-13 | 2018-12-13 | Special dipperstick of oral cavity clearance |
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| Publication Number | Publication Date |
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| CN109431640A CN109431640A (en) | 2019-03-08 |
| CN109431640B true CN109431640B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811526044.2A Active CN109431640B (en) | 2018-12-13 | 2018-12-13 | Special dipperstick of oral cavity clearance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107647929B (en) * | 2017-11-02 | 2019-05-14 | 四川大学 | Measuring system and method for oral implant rehabilitation spatial analysis |
| CN112451150B (en) * | 2020-12-02 | 2021-09-10 | 遂宁市中心医院 | Multifunctional tool for stomatology department and using method thereof |
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