CN115300134B - Pen-holding type multipurpose tool for dental prosthesis - Google Patents
Pen-holding type multipurpose tool for dental prosthesis Download PDFInfo
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- CN115300134B CN115300134B CN202211037310.1A CN202211037310A CN115300134B CN 115300134 B CN115300134 B CN 115300134B CN 202211037310 A CN202211037310 A CN 202211037310A CN 115300134 B CN115300134 B CN 115300134B
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 16
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- 230000006835 compression Effects 0.000 claims description 4
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- 230000005611 electricity Effects 0.000 claims description 4
- 241000251468 Actinopterygii Species 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 229920002457 flexible plastic Polymers 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
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- 238000011282 treatment Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
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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)
Abstract
The invention belongs to the technical field of dental denture manufacturing, and provides a pen-holding type multipurpose tool for a dental restoration. The invention relates to a pen-holding type dental prosthesis holding multipurpose tool, which comprises: the main rod is tubular; the sucker is arranged in the main rod, is positioned at the front end of the main rod and is communicated with an external pressure mechanism through the main rod; the scratch piece is arranged in the main rod in a rolling way, is close to the front end of the main rod and is positioned in the sucker; the scratch piece is spherical in shape, and the surface of the scratch piece is provided with a plurality of inward sink grooves; the temperature changing mechanism is arranged in the main rod and is abutted with the scratch piece; the temperature changing mechanism is used for changing temperature and can reduce and raise temperature. In conclusion, the invention has reasonable structural design; and the operation of one hand and two hands can be realized, so that the convenience and the rapidness are greatly improved, and the method is suitable for industrial popularization.
Description
Technical Field
The invention relates to the technical field of dental denture manufacturing, in particular to a pen-holding type multipurpose tool for a dental restoration.
Background
At present, dental metal probe-type instruments are often used in factories and oral clinics to hook out inlays to be tried on, and the following disadvantages are mainly caused. If the bonding is made, the gap is too small to be taken out easily; if the fit is poor, the patient may fly off, causing bad consequences such as incorrect swallowing, falling damage, missing, etc. The reason is mainly that the probe instrument is not a professional tool designed for taking and wearing inlays, and the scientificity is poor.
The dental veneer is thinner, acid etching, blow drying and other treatments are needed before bonding, and the problems of pollution or not in place edge treatment and the like can be caused by handheld treatment. And the disposable plastic bonding rod of the imported brand is used for part of oral outpatient service, the inlay dental restoration body tried in the natural dental cavity is taken out in a mode similar to adhesive bonding, or the restoration bodies such as veneers, inlays and the like are held during bonding, so that the medical cost is high, the contact surface of the restoration body needs to be thoroughly dried, and the operation is complex. In addition, impurities and dust may be generated in the mold during processing and manufacturing, and the suitability of the inlay may be poor.
There is therefore a need for a device that allows for easy removal of a try-on inlay-type dental restoration.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a pen-holding type dental prosthesis holding multipurpose tool which can conveniently take out and try on an inlay type dental prosthesis.
The invention provides a pen-holding type dental prosthesis holding multipurpose tool, which comprises: the main rod is tubular; the sucker is arranged in the main rod, is positioned at the front end of the main rod and is communicated with an external pressure mechanism through the main rod; the scratch piece is arranged in the main rod in a rolling way, is close to the front end of the main rod and is positioned in the sucker; the scratch piece is spherical in shape, and the surface of the scratch piece is provided with a plurality of inward sink grooves; the temperature changing mechanism is arranged in the main rod and is abutted with the scratch piece; the temperature changing mechanism is used for changing temperature and can reduce and raise temperature.
Further, the main rod is provided with a holding rod section and a pressurizing air bag section; the pressurizing air bag section is positioned at one end of the holding rod section and is close to the direction of the sucker; the other end of the holding rod section is communicated with the external pressure mechanism; the pressurizing air bag section is made of flexible materials, and can realize compression and rebound under the action of external force. In practical application, the design of the grip section is adopted, so that the pen holding effect is conveniently realized, and the device is held like a pen.
Further, the main rod is also provided with a ventilation pipe section which is communicated with the pressurizing air bag section and is positioned in the direction of the pressurizing air bag section, which is close to the sucker; the ventilation pipe section is made of a non-flexible plastic material, and the sucker is arranged on the ventilation pipe section. In practical application, in this design, this design is in order to realize the pressurization to gas, conveniently realizes pressure under same pressure, convenient operation, and realizes easily, through manual extrusion can.
Further, the air pipe comprises a magnetic sleeve, wherein the magnetic sleeve is arranged in the air pipe section and is positioned in a pipe orifice at the suction disc; the scratch piece is arranged in the magnetic sleeve.
Further, the magnetism of the magnetic sleeve is different from that of the scratch piece. In practical application, the purpose of the design is to suspend the scratch piece in the magnetic sleeve, so that the adopted magnetic properties are different, so that the scratch piece is attracted and mutually approaches; but in the daily use process, the air pressure flow enters the magnetic sleeve accessory from the external pressure mechanism and blows the scratch piece away from the magnetic sleeve, so that the scratch piece is counteracted with the magnetic attraction force, and the suspension of the scratch piece can be realized, wherein the magnetic sleeve is in an electromagnetic principle and is magnetized after being electrified.
Further, the scratch piece has a hardness greater than the hardness of the tooth and the hardness of an insert embedded in the tooth. In practical application, the design ensures that the workpiece can be scratched, the teeth and the embedded body embedded in the teeth can be cut, and the processing effect is realized.
Further, the air conditioner further comprises a fixed magnetic block, the sucker is further provided with a fixed groove, and the fixed groove is positioned on the inner wall of the sucker and is close to the pipe orifice of the joint of the sucker and the ventilation pipe section; the fixed magnetic block is arranged in the fixed groove and is positioned far away from the pipe orifice. In practical application, the purpose of this design is that when the magnetic sleeve outage, this fixed magnetic path just can attract the fish tail spare to the fixed magnetic path by fixed slot attraction.
Further, the scratch piece is made of an electric heating material, the temperature changing mechanism further comprises an electric connecting wire, the main rod is provided with a through hole, and the through hole penetrates through the main rod; the electric connecting wire is installed the through hole, and one end with the fish tail piece electricity is connected, the other end of electric connecting wire is connected with external power source electricity. In practical application, the design is just for heating up, then when being close to the embedding body, just formed the expend with heat effect, utilized expend with heat and contract with cold's principle, conveniently taken out the embedding body.
Further, the temperature changing mechanism also comprises a cooling piece which is communicated with the main rod and sends cold air to the area to be repaired of the teeth through an external pressure mechanism. In practical application, the purpose of this design is just in order to realize the shrinkage effect in the expend with heat and contract with cold, still in order to conveniently take out the inserts, in the actual operation, this design is the compression bottle that is equipped with cold nitrogen gas.
Further, a collection sleeve is also included, the collection sleeve being removably mounted between the main stem and the external pressure mechanism. In practical application, the design is to realize the back suction effect under the condition of negative pressure of the external pressure mechanism, and sucked impurities can enter the collecting sleeve.
According to the technical scheme, the pen-holding type dental prosthesis has the beneficial effects that:
(1) The invention is designed into a pen-holding structure, is a standard gesture for a technician to operate a common tool, and is beneficial to the fine operation of the technician on dental restorations such as inlays and veneers on a model; the sucking disc with proper size is favorable for adsorbing and holding the irregular surface; thinner vent tubes facilitate faster airflow and greater pressure, which facilitates cleaning the cavity of the mold.
(2) The material can be sterilized by using acidic oxidation potential water, hypochlorous acid and the like, and achieves a qualified sterilizing effect, so that the material can be used for a denture processing factory to hold a dental prosthesis which is unfavorable to holding, can also be used for a clinician to try on inlays and veneers in the mouth of a patient, can reduce the use of imported disposable oral consumable materials, and reduces medical cost.
(3) In actual operation, aiming at the artificial tooth of an embedded body embedded in a tooth, when the artificial tooth is very firm and not easy to take out, firstly, moving and scratching along a gap between the embedded body and the original tooth through a scratching piece, blowing an inward sink in the scratching piece through an external pressure mechanism to realize rotation of the artificial tooth, further enlarging the gap between the embedded body and the original tooth through rotation of the artificial tooth, and then, firstly aiming at the embedded body through a temperature changing mechanism to heat and then cool; finally, the sucker is fixed on the embedded body, and the embedded body is pulled out.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that are used in the description of the embodiments or the prior art will be briefly described below. Throughout the drawings, the elements or portions are not necessarily drawn to actual scale.
FIG. 1 is a front view of a multi-purpose tool for holding a pen-type dental restoration according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A shown in FIG. 1;
FIG. 3 is a schematic view of an installation structure of a built-in cooling element according to another embodiment of the present invention;
reference numerals:
the device comprises a main rod 1, a holding rod section 11, a pressurizing air bag section 12, a ventilation pipe section 13, a through hole 14, a sucker 2, a fixing groove 21, a scratch piece 3, an invagination groove 31, a temperature changing mechanism 4, an electric connecting wire 41, a temperature reducing piece 42, a built-in temperature reducing piece 43, a magnetic sleeve 5, a fixing magnetic block 6 and a sleeve collecting pipe 7.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
An embodiment is substantially as shown in figures 1 to 3 of the accompanying drawings:
example 1:
as shown in fig. 1-2, the pen-holding type dental prosthesis provided in this embodiment can be used to facilitate taking out the inlay type dental prosthesis.
A pen-type dental restoration holding multipurpose tool comprising: a main rod 1, wherein the main rod 1 is tubular; the sucker 2 is arranged in the main rod 1, is positioned at the front end of the main rod 1 and is communicated with an external pressure mechanism through the main rod 1; the scratch piece 3 is arranged in the main rod 1 in a rolling way, is close to the front end of the main rod 1 and is positioned in the sucker 2; the scratch piece 3 is spherical in shape, and the surface of the scratch piece 3 is provided with a plurality of inward grooves 31; the temperature changing mechanism 4 is arranged in the main rod 1 and is in abutting connection with the scratch piece 3; the temperature changing mechanism 4 is used for changing temperature and can reduce and raise temperature. The invention is designed into a pen-holding structure, is a standard gesture for a technician to operate a common tool, and is beneficial to the fine operation of the technician on dental restorations (such as inlays and veneers) on a model; the sucking disc 2 with proper size is favorable for adsorbing and holding the irregular surface; thinner vent tubes facilitate faster airflow and greater pressure, which facilitates cleaning the cavity of the mold. The material can be sterilized by using acidic oxidation potential water, hypochlorous acid and the like, and achieves a qualified sterilizing effect, so that the material can be used for a denture processing factory to hold a dental prosthesis which is unfavorable to holding, can also be used for a clinician to try on inlays and veneers in the mouth of a patient, can reduce the use of imported disposable oral consumable materials, and reduces medical cost. In actual operation, aiming at the artificial tooth of an embedded body embedded in a tooth, when the artificial tooth is very firm and not easy to take out, firstly, the artificial tooth is scratched by moving along a gap between the embedded body and the original tooth through the scratch piece 3, and then the artificial tooth is blown to an inward-sinking groove 31 in the scratch piece 3 through an external pressure mechanism to realize rotation, and then the gap between the embedded body and the original tooth is enlarged through rotation of the artificial tooth, and then the artificial tooth is firstly aligned to the embedded body through a temperature changing mechanism 4 to heat and then cool; finally, the suction cup 2 is fixed on the embedded body, and the embedded body is pulled out. The sucker 2 is made of rubber flexible material and is easy to bend and deform.
In this embodiment, the main lever 1 has a grip section 11 and a pressurized air bag section 12; the pressurizing air bag section 12 is positioned at one end of the holding rod section 11 and is close to the direction of the sucker 2; the other end of the holding rod section 11 is communicated with the external pressure mechanism; the pressurized air bag section 12 is made of flexible materials, and can be compressed and rebounded under the action of external force. In practical application, the design of the grip segment 11 is used to achieve the effect of pen holding, i.e. to hold the device like a pen.
In this embodiment, the main rod 1 further has a ventilation pipe section 13, and the ventilation pipe section 13 is communicated with the pressurizing air bag section 12 and is located in the direction of the pressurizing air bag section 12 close to the suction cup 2; the ventilation pipe section 13 is made of a non-flexible plastic material, and the sucker 2 is mounted on the ventilation pipe section 13. In practical application, in this design, this design is in order to realize the pressurization to gas, conveniently realizes pressure under same pressure, convenient operation, and realizes easily, through manual extrusion can.
In the embodiment, the device also comprises a magnetic sleeve 5, wherein the magnetic sleeve 5 is arranged in the ventilation pipe section 13 and is positioned in a pipe orifice at the suction cup 2; the scratch piece 3 is arranged in the magnetic sleeve 5.
In this embodiment, the magnetic properties of the magnetic sleeve 5 are different from the magnetic properties of the scratch 3. In practical use, the purpose of this design is to suspend the scratch piece 3 in the magnetic sleeve 5, so the adopted magnetism is different, so that the scratch piece is attracted and approaches each other; but in the daily use process, the air pressure flow enters the accessory of the magnetic sleeve 5 from the external pressure mechanism and blows the scratch piece 3 away from the magnetic sleeve 5, so that the scratch piece is counteracted with the magnetic attraction force, and the suspension of the scratch piece can be realized, wherein the magnetic sleeve 5 is in an electromagnetic principle, and is magnetized after being electrified.
In this embodiment, the hardness of the scratch 3 is greater than the hardness of the teeth and the hardness of the insert embedded in the teeth. In practical use, the design ensures that the workpiece 3 can be scratched, and the teeth and the embedded bodies embedded in the teeth can be cut, so that the machining effect of the workpiece is realized.
In this embodiment, the air conditioner further comprises a fixed magnetic block 6, the suction cup 2 is further provided with a fixed groove 21, and the fixed groove 21 is positioned on the inner wall of the suction cup 2 and is close to the pipe orifice position where the suction cup 2 is connected with the ventilation pipe section 13; the fixed magnet 6 is installed in the fixed slot 21 and is located at a position far from the pipe orifice. In practical application, the purpose of this design is to attract the scratch piece 3 to the side of the fixed magnetic block 6 through the fixing groove 21 when the magnetic sleeve 5 is powered off.
In this embodiment, the scratch member 3 is made of an electrothermal material, the temperature changing mechanism 4 further includes an electrical connection wire 41, the main rod 1 has a through hole 14, and the through hole 14 penetrates the main rod 1; the electrical connection wire 41 is mounted on the through hole 14, one end of the electrical connection wire 41 is electrically connected to the scratch 3, and the other end of the electrical connection wire 41 is electrically connected to an external power source. In practical application, the design is just for heating up, then when being close to the embedding body, just formed the expend with heat effect, utilized expend with heat and contract with cold's principle, conveniently taken out the embedding body.
In this embodiment, the temperature changing mechanism 4 further includes a cooling member 42, and the cooling member 42 is in communication with the main lever 1 and delivers cool air to the area to be repaired of the teeth through an external pressure mechanism. In practical application, the purpose of this design is just in order to realize the shrinkage effect in the expend with heat and contract with cold, still in order to conveniently take out the inserts, in the actual operation, this design is the compression bottle that is equipped with cold nitrogen gas.
In this embodiment, a collecting sleeve 7 is further included, said collecting sleeve 7 being detachably mounted between said main rod 1 and said external pressure mechanism. In practice, the design is to achieve a suck-back effect in the case of negative pressure of the external pressure mechanism, and the sucked-out impurities will enter the collecting sleeve 7.
Example 2:
as shown in fig. 3, the built-in cooling element 42 device provided in the present embodiment is a further improvement of the cooling element 42 device provided in the present embodiment, and is installed in the main rod 1, so as to facilitate movement and transportation;
the built-in cooling member 43 is tubular and made of cooling conductors, so that cooling can be realized by the external semiconductor and the external power supply, and cold air is sent to the embedded body to be taken out by the external pressure mechanism, thereby being convenient and practical.
In summary, the pen-holding type dental prosthesis holds the multipurpose tool, so that the structure design is reasonable; and the operation of one hand and two hands can be realized, so that the convenience and the rapidness are greatly improved, and the method is suitable for industrial popularization.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (9)
1. A pen-holding dental restoration holding multipurpose tool, comprising:
the main rod is tubular;
the sucker is arranged in the main rod, is positioned at the front end of the main rod and is communicated with an external pressure mechanism through the main rod;
the scratch piece is arranged in the main rod in a rolling way, is close to the front end of the main rod and is positioned in the sucker; the scratch piece is spherical in shape, and the surface of the scratch piece is provided with a plurality of inward sink grooves; and
The temperature changing mechanism is arranged in the main rod and is abutted with the scratch piece; the temperature changing mechanism is used for changing temperature and can reduce and raise temperature;
the main rod is provided with a holding rod section and a pressurizing air bag section; the pressurizing air bag section is positioned at one end of the holding rod section and is close to the direction of the sucker; the other end of the holding rod section is communicated with the external pressure mechanism; the pressurizing air bag section is made of flexible materials, and can realize compression and rebound under the action of external force.
2. The multipurpose tool for holding a pen-type dental prosthesis according to claim 1, wherein the main rod further comprises a ventilation tube section which is communicated with the pressurizing air bag section and is positioned in the direction of the pressurizing air bag section close to the sucker; the ventilation pipe section is made of a non-flexible plastic material, and the sucker is arranged on the ventilation pipe section.
3. The multipurpose tool for holding a pencil-type dental prosthesis of claim 2, further comprising a magnetic sleeve mounted in the ventilation tube section and positioned in a nozzle at the suction cup; the scratch piece is arranged in the magnetic sleeve.
4. A pen-type dental restoration holding tool according to claim 3, wherein the magnetic properties of said magnetic sleeve are different from the magnetic properties of said scratch piece.
5. The multipurpose tool for holding a pencil-type dental restoration according to claim 1, wherein said scratch member has a hardness greater than a hardness of a tooth and a hardness of an insert inserted into the tooth.
6. The pen-holding multipurpose tool for the dental prosthesis according to claim 2, further comprising a fixing magnet, wherein the suction cup is further provided with a fixing groove, and the fixing groove is positioned on the inner wall of the suction cup and is close to the pipe orifice at the joint of the suction cup and the ventilation pipe section; the fixed magnetic block is arranged in the fixed groove and is positioned far away from the pipe orifice.
7. The multipurpose tool for holding a pencil-type dental prosthesis of claim 1, wherein the scratch member is made of an electrothermal material, the temperature changing mechanism further comprises an electrical connection wire, the main rod has a through hole, and the through hole penetrates through the main rod; the electric connecting wire is installed the through hole, and one end with the fish tail piece electricity is connected, the other end of electric connecting wire is connected with external power source electricity.
8. The multipurpose tool for holding a pen-type dental restoration according to claim 1, wherein the temperature changing mechanism further comprises a temperature reducing member which is communicated with the main rod and sends cold air to the area to be restored of the teeth through an external pressure mechanism.
9. A pen-type dental restoration holding multi-purpose tool according to claim 3, further comprising a collection sleeve detachably mounted between said main lever and said external pressure mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211037310.1A CN115300134B (en) | 2022-08-26 | 2022-08-26 | Pen-holding type multipurpose tool for dental prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211037310.1A CN115300134B (en) | 2022-08-26 | 2022-08-26 | Pen-holding type multipurpose tool for dental prosthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115300134A CN115300134A (en) | 2022-11-08 |
| CN115300134B true CN115300134B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211037310.1A Active CN115300134B (en) | 2022-08-26 | 2022-08-26 | Pen-holding type multipurpose tool for dental prosthesis |
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| CN (1) | CN115300134B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211750169U (en) * | 2020-01-15 | 2020-10-27 | 简小冲 | Crown taking device |
| CN211834803U (en) * | 2020-03-09 | 2020-11-03 | 四川大学 | Dental crown pressing device |
| CN212438901U (en) * | 2020-02-12 | 2021-02-02 | 天津姬氏堂医疗科技有限公司 | Novel dental crown forceps for dental prosthesis |
-
2022
- 2022-08-26 CN CN202211037310.1A patent/CN115300134B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211750169U (en) * | 2020-01-15 | 2020-10-27 | 简小冲 | Crown taking device |
| CN212438901U (en) * | 2020-02-12 | 2021-02-02 | 天津姬氏堂医疗科技有限公司 | Novel dental crown forceps for dental prosthesis |
| CN211834803U (en) * | 2020-03-09 | 2020-11-03 | 四川大学 | Dental crown pressing device |
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| Publication number | Publication date |
|---|---|
| CN115300134A (en) | 2022-11-08 |
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