CN115006013A - Dental micro gear grinding and drilling machine - Google Patents
Dental micro gear grinding and drilling machine Download PDFInfo
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- CN115006013A CN115006013A CN202110263335.2A CN202110263335A CN115006013A CN 115006013 A CN115006013 A CN 115006013A CN 202110263335 A CN202110263335 A CN 202110263335A CN 115006013 A CN115006013 A CN 115006013A
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- 238000005553 drilling Methods 0.000 title claims abstract description 40
- 238000005516 engineering process Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 210000000214 mouth Anatomy 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 210000003128 head Anatomy 0.000 claims description 2
- 231100000957 no side effect Toxicity 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 230000007774 longterm Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 235000010585 Ammi visnaga Nutrition 0.000 abstract description 3
- 244000153158 Ammi visnaga Species 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract description 3
- 235000013372 meat Nutrition 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 235000013311 vegetables Nutrition 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 210000003781 tooth socket Anatomy 0.000 description 6
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 239000010440 gypsum Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000037123 dental health Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 208000033809 Suppuration Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 206010006514 bruxism Diseases 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- 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
- A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
Landscapes
- 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 relates to the field of dentistry, and discloses a novel second-generation treatment scheme which is different from the modern traditional technology and is provided with a micro drilling machine as the core technology of the scheme is mainly matched and completed through the micro drilling machine. The invention distinguishes the old method of the traditional treatment for centuries, refreshes the second generation new technology, and compared with the first generation traditional technology, the difference is that: the second generation technology is super simple, money-saving and labor-saving, the appearance of teeth is as clean as the original appearance, the teeth are attractive, the connection between two big teeth has a long-acting reinforcement effect, long-term restoration and safety management are not needed, side effects are avoided, deep sinking and distending pain of vegetable and meat fibers are blocked, terrible consequences are brought by long-term toothpick carving, and the dental ultra-thin micro drilling machine is a second generation core new technology and is a first-leading technology both at home and abroad.
Description
The technical field is as follows:
the invention relates to the field of dentistry, and discloses a novel second-generation treatment scheme which is different from the modern traditional technology and is realized by mainly matching an ultrathin micro drilling machine, so that the novel second-generation treatment scheme is super simple and saves money. Solves the problems of inflammation of tooth silver, tooth root loosening and bleeding, suppuration and frequent pain caused by long-term use of toothpick burs, and can be treated by plucking teeth, thereby directly influencing the quality of work, study and life. The gradual widening of the slit between teeth is the expression that the human body can not resist the calcium loss of the column, and every person can experience the problem of time, some people are left in the birth, 90% of people are caused by the calcium flow, and a second-generation new technology needs to be added to fill the defect. People are concerned about doing so from the point of view of dental health.
Background art:
in the dental medical field around the world for a hundred years, filling up the width of the gap between the large teeth means that the large teeth are tightly matched with one metal tooth socket cap or the traditional treatment technology of the tooth socket cap is as follows 1-8 points.
1. Checking the actual condition of the large teeth, preparing the dental impression, gypsum powder and paste in contrast to the large teeth, converting the prepared dental impression into a gypsum entity large tooth module, and waiting for the gypsum model to naturally dry and remove water.
2. After the metal dental sheath cap is prepared according to the appearance model of the plaster large tooth, the dental model needs to be sleeved, a plurality of peripheral and tooth surface redundant parts need to be removed, and the prepared metal sheath cap is matched into the dental model position.
3. The technology for making the die cover cap of metal die according to the repaired gypsum large tooth die shape is time-consuming and labor-consuming, firstly, the size is normalized, the pattern is drawn and unfolded, the material is fed, the large tooth die shape is manually made and formed, then the large tooth die shape is welded at high temperature, after cooling, the grinding tooth shape on the large tooth surface is made, the forming needs to be repeatedly modified, several hours are needed, and time and labor are wasted. Or the dentistry cooperates with the hands, a technician who is specially used for making the tooth socket cap mold is made according to the shape and the size of a sent tooth mold, the tooth socket cap molding needs to cast and mold metal under the liquid state with the temperature of thousands of degrees and high temperature according to the size of the tooth mold, the tooth socket mold is taken back and is polished too finely, the glue is required to be printed and sealed during installation, the glue is required to fall off after a long time, and the shape of the material needs to be managed safely.
4. The large tooth is polished and prepared in appointed idle time, a metal mold is required to be as large as the original large tooth, so that a plurality of peripheries and tooth surfaces are required to be polished and reduced, polishing is reduced according to an outer mold, the large tooth is meticulously and delicately finished, repeated elaboration is required, scrapping is prevented, the process is complex and difficult to do, the mouth of a customer is greatly opened, the mouth of the customer is difficult to accept for a long time, a rest is required, a plurality of hours are required repeatedly, and time and labor are wasted.
5. The customers are also frightened about the dental treatment, the repeated opening of the oral cavity is too large, the time is too long, and the white waste water is often discharged, which is very difficult. Several hours are required for compounding.
6. Most of the customers know the process, the customers choose not to treat the disease, and some choose to treat the disease, but the treatment cost is too high, so that most of the customers are uncertain, resistance is brought to dental health, and the public hopes that the capacity is not good.
7. The dentist can not take care of the work, and the doctor can only do the work when the doctor clears the inflammation.
8. Safety management: the tooth socket cap can be loosened after half a year, and is prevented from falling into the mouth, a large accident is caused by womb, and long-term repair and reminding are needed.
The invention content is as follows:
according to the situation, the treatment expense is extremely high, the manufacturing difficulty is high, the process is difficult to do, long-term repair management is needed, a customer is difficult to accept, the dentistry cannot easily receive the factors such as the living dryness, and the like.
The technical scheme adopted by the invention for solving the technical problem comprises the following steps: the following (dental) micro gear grinding and drilling machine is taken as an example and is called by reduction: miniature drilling machine
1. The machine comprises 5 pinions, 2, a machine body inner space, 3, a wear-resistant top plate (formed by strong glue, and a drill bit can be opened by heating an electric iron for 80 degrees), 4, an upper big tooth pressure point, 5, a tooth gap positioning splint, 6, a lower inner big tooth, 7, a fixed gap iron sheet, 8, a tooth gap positioning splint, 9, a positioning hole (a circular or long hole), 10, 6-12V DC small motor, 11, a machine body, 12, a machine body rear cover, 13, a water pipe, 14, a cross slot grinding drill bit (a drill bit for short), 15, a handle (a dragging handle for drilling the long hole), and the like.
The specification is shown in the attached page 3, and the specific installation and fixing positions of the names are marked. The names of the figures in the specification are included. According to the working principle of a micro-drilling machine, the installation is changed, and other installation design change technologies such as wind pressure, oil pressure and the like are included in the technical principle.
Description of the drawings: page 3 of the attached drawings
FIG. 1 is a schematic view of the working principle of a dental micro gear grinding and drilling machine (micro drilling machine for short)
FIG. 2 is a schematic view of the working principle of a dental micro water wheel mill drill (micro drill for short)
FIG. 3 is a schematic view of the working principle of a dental micro belt pulley grinding and drilling machine (micro drilling machine for short)
The specific implementation mode is as follows:
the working principle of treating the large tooth septal width is as follows: drilling a tooth hole with the diameter of 2-3-4 mm and the depth of 2.5-3 mm in the center of the large tooth gap, and filling a porcelain powder binder into the hole to block the fiber from sinking so as to achieve the treatment purpose.
The working principle of the micro gear grinding and drilling machine is taken as an example, the invention is further explained by taking an example and combining an attached drawing, the invention has 3 modes and can realize drilling by combining the attached drawing, the first example is that a gear drives a grinding bit to realize drilling, the second example is that a hydraulic pressure flows to push a water wheel to drive the grinding bit to realize drilling, and the third example is that a belt pulley rotates to drive the grinding bit to realize drilling. The small gear is matched with the shaft of the small motor, the small gear is directly inserted into a gear hole pre-selected from the lower part of the machine body and matched, and the small gear is fixed on the plane of a convex plate of the machine body at the lower part by two screws. And fourthly, grinding the drill bit, wherein the grinding drill bit is formed by tightly matching a pinion with the drill bit body, the collar part of the grinding drill bit is provided with a water falling cross-shaped groove hook, the deep groove is 3 mm, the shallow groove is 1-1.5 mm deep and 0.5-1 mm wide, and a diamond sand synthetic layer with the thickness of 0.1-0.2 is arranged at the position 2 mm in front of the drill bit. The drill grinding effect is achieved, and vibration is reduced. The large tooth seam positioning splint is characterized in that two sides of two large teeth are clamped by two sides of the splint, seam fixing iron sheets are combined between the two sides and inserted into the large tooth seam to fix the center of the tooth seam, a 9 positioning hole with the diameter of 2-3-4 mm is arranged on a splint surface, when a drilling machine works, a cross slot grinding drill bit is inserted into the splint positioning hole, normal drilling can be carried out, a handle is dragged, a long hole can be drilled, a slightly oblique body (good waste water discharge) in a sitting posture of a person is treated, a switch is held by a hand, water is supplied to the switch by opening the switch, the hole diameter of the large tooth seam is 2-3-4 after the upper large teeth are pressurized for 1-2 minutes, holes with the depth of 2-3 mm are drilled, water is flushed and wiped off, a porcelain powder combination is filled in the traditional old method for 5 minutes, and then the pressing and flattening are completed by a second-generation new technology for filling the large tooth seam width.
The following 5 technical schemes for (dental) second generation large tooth space gap width filling treatment are characterized by the following description in combination with the attached drawings of the specification:
1. the original hand of modern dentistry originally appears this mill rig of hand thick 16 centimetres, and it is 19 millimeters thick altogether to add 3 millimeters drill bits, and the oral cavity is wide open, and the drill bit also can't go deep into accurate perpendicular drilling in the big slit between teeth of oral cavity depths, and two compare new generation miniature rig core technology, characterized by: the whole machine is ultra-thin and miniaturized, the drilling machine can freely work in a half-open oral cavity, the hand-held switch can be operated by the user, the dentist can operate the switch independently, the operation is safe and reliable, no side effect is caused, and the main parameters of the micro drilling machine are as follows: the thickness of the machine body is 7-10 mm, the length of the machine is within 85 mm, the width of the machine is within 20 mm, the length of the grinding drill bit is about 12 mm, phi is 2-3-4 mm, the head of the drill bit is provided with a water falling cleaning cross groove, a deep groove is 3 mm, a shallow groove is 1.5 mm, or only a plurality of shallow grooves are provided, and the front end of the grinding drill bit is 2 mm long and the surface layer is provided with 0.1-0.20 thick diamond sand or other high-hardness gold steel sand or point alloy sand.
2. The miniature gear drilling machine is characterized in that: the characteristics of the device 1 are the same as those of the device 1, a 6-12V direct current motor is adopted, a small motor is used as power, a transmission gear rotates to drive a grinding bit, and drilling is achieved.
3. The miniature belt pulley drilling machine is characterized in that a small 6-12V direct current motor is used as power as in the steps 1 and 2, and the difference is that a belt is adopted for transmission and the belt pulley rotates to drive a grinding bit to realize drilling. The belt pulley has small tooth grains in the concave arc to increase friction, the belt has the shape corresponding to the concave arc of the belt pulley and the shape of the convex arc, and the belt is synthesized by high-pressure wires without knots.
4. The miniature water wheel drilling machine is characterized in that: the difference of the characteristics of the grinding machine 1 and the grinding machine 2 is that the flowing pressure water is adopted to drive the water wheel grinding drill bit. The technical scheme comprises the following steps: 1. the hydraulic grinding machine comprises an upper cover plate, 2 parts of a rack, 3 parts of a water wheel grinding drill bit, 4 parts of a wear-resistant top plate, 5 lines of a surrounding anti-skidding handle, 6 parts of a partition plate, 7 parts of an upper cover plate positioning screw, 8 parts of a high-pressure water pipe, 9 parts of an input pressure water pipe, 10 parts of an input pressure water pipe and a handle. 3. The water wheel magic drill bit is inserted into a circle vacant position 2 which is pre-made by the frame, an adhesive is coated to cover 1, an upper cover plate is covered, an upper cover 8 is clamped, 2 high-pressure water pipes are arranged, the operation is carried out in the same way, the human body is in a sitting posture, the clamping plate is placed in a big tooth gap, the water wheel grinding drill bit is inserted into a hole of the clamping plate, a pressure water switch is opened to rotate pressure water, the water wheel drill bit is driven, and the upper big tooth can work normally after pressurization. Drilling holes with the diameter of 2-3-4 and the depth of 2-3 mm, cleaning the holes, filling the porcelain powder binder for 5 minutes by an old method, flattening, and completely finishing the second-generation filling new technology of the large tooth gap width. The hydraulic grinding drill is driven by flowing hydraulic pressure, and can also be driven by flowing hydraulic pressure or air pressure instead. The machine body can also be formed by high-temperature casting, and two fixed upper cover plates are provided with the upper sealing glue cover plate positioning screws.
5. The large-slit positioning splint is characterized in that the splint is made of stainless steel sheet materials, the length of the splint is about 12 mm (the splint is prevented from excessively shortening and being swallowed later and is connected with a safety rope to the outside of the mouth), and a positioning hole phi 2-3-4 mm or a long hole is arranged in the middle of the splint
The hole is sized according to the size of the big tooth, the two sides of the clamping plate can clamp the big tooth without loosening and can freely pass in and out, one to two positioning iron sheets capable of being inserted into the tooth gap are arranged on the two positioning holes, the positioning iron sheets cannot block the drilled hole, and the length of each positioning iron sheet is 3-4 mm. Positioning round or elongated hole
The position is in the center of the big tooth seam, and the long hole can be drilled by dragging the handle.
The invention departs from the old method of the traditional treatment for centuries, refreshes the second generation new technology, and has complex process, time and labor waste and high cost compared with the first generation traditional technology, and the difference is that: the new second generation technology is super simple, the time is super short, the wire and the labor are saved, the appearance of the teeth is as clean as the original appearance, the teeth are attractive, the long-acting reinforcement effect is realized by the connection between the two big teeth, the long-term restoration and safety management is not needed, the side effect is avoided, the vegetable and meat fiber sinking and swelling pain are blocked, the afraid effect is brought by long-term use of toothpick carving, and the dental micro-drilling machine is a second generation core new technology and is a domestic and foreign pioneering technology.
Claims (5)
1. The original hand of modern dentistry is originally big shape this abrasive drilling machine 16 millimeters thick, adds 3 millimeters drill bits and is 19 millimeters thick altogether, and the oral cavity is opened greatly, and the drill bit also can't go deep into accurate perpendicular drilling in the big slit between teeth of oral cavity depths, and both compare new second generation miniature drilling machine core technique, characterized by: dragging the handle, can boring the elongated hole, the ultra-thin miniaturization of complete machine, the rig can work freely in half-open oral cavity, and handheld switch oneself can operate, and the dentist can also independently operate safe and reliable, the no side effect to the switch, and miniature rig main parameter is: the thickness of the machine body is 7-10 mm, the length of the machine is within 85 mm, the width of the machine is within 20 mm, the length of the grinding drill bit is about 12 mm, the diameter is 2-3-4 mm, the head of the drill bit is cleaned by falling water, the depth of a cross groove is 3 mm, a shallow groove is 1.5 mm, or only a plurality of shallow grooves are provided, and the front end of the grinding drill bit is 2 mm long and the surface layer is synthesized by 0.1-0.2 thick diamond sand or other high-hardness gold steel sand or point alloy sand.
2. The miniature gear drilling machine is characterized in that: the characteristic of the said method is that a DC motor of 6-12V is used, a small motor is used as power, and a drive gear rotates to drive the grinding bit to drill. The technical scheme comprises the following steps: 1. the machine comprises pinions 5, 2 a machine body inner groove space, 3 a wear-resistant top piece (formed by strong glue, an electric iron can be heated by 80 degrees to open and change a drill bit), 4 a pressure point of an upper big tooth, 5 a tooth seam positioning splint, 6 a lower inner big tooth, 7 a seam fixing iron sheet, 8 a tooth seam positioning splint, 9 a positioning hole (a circular or long hole), 10 and 6 to 12V DC small motors, 11 a machine body, 12 a machine body rear cover, 13 a water pipe, 14 a cross groove grinding drill bit (a drill bit for short), 15 a handle (a dragging handle drills a long hole), and the like.
3. The miniature belt pulley drilling machine is characterized in that the miniature belt pulley drilling machine is similar to the miniature belt pulley drilling machine in the characteristics of the patent claims 1 and 2, and adopts a belt pulley transmission mode to drive a grinding bit to drill holes, wherein the belt pulley transmission mode is different from a 6-12V direct current small motor. The belt is characterized in that small tooth grains are arranged in the concave arc of the belt pulley to increase the friction force, the belt is in a convex arc shape corresponding to the concave arc of the belt pulley, high-pressure wires are arranged in the belt to form the belt, and the belt is a rubber belt.
4. The miniature water wheel drilling machine is characterized in that: the features of claims 1 and 2 above, except that the water wheel bit is driven by flowing pressure water. The technical scheme comprises the following steps: the device comprises a cover plate 1, a rack 2, a water wheel grinding drill bit 3, a wear-resistant top plate 4, a skid-proof notebook 5 lines of which are encircled, a partition plate 6, a partition plate 7, an upper cover plate positioning screw 8, a high-pressure water pipe 9, input pressure water 10 and a handle. 3. The water wheel magic drill bit is inserted, 2, a circular vacant position is made in advance in the rack, 1 cover plate is covered, the upper cover plate is clamped tightly, a positioning screw is sealed, the water wheel grinding drill bit can rotate freely on the inner surface, the tail end of the rack is connected with 8, 2 high-pressure water pipes are connected, the operation is implemented in the same way, the human body sits in a sitting posture, the clamping plate is placed in a large tooth gap, the water wheel grinding drill bit is inserted into a clamping plate hole, the human body is weighed downwards to be inclined, waste water can be discharged, a pressure water switch is opened, pressure water is rotated, and the water wheel grinding drill bit is driven. The big teeth can be drilled with a diameter of 2-3-4 and a depth of 2-3 mm by pressurizing, the hole is cleaned, the porcelain powder combination is filled for 5 minutes by the traditional old method and is pressed to be flat, and the second generation filling new technology of the big teeth gap width is completely finished. The hydraulic grinding drill is driven by flowing hydraulic pressure, and can also be driven by flowing hydraulic pressure or air pressure instead. It can be replaced by flowing oil pressure or pneumatic transmission. The machine body can also be formed by high-temperature casting, and two fixed upper cover plates are provided with the upper sealing glue cover plate positioning screws.
5. The large-slit positioning splint is characterized in that the splint is made of stainless steel sheet materials, the length of the splint is about 12 mm (the too short splint is prevented from being swallowed excessively and is connected with a safety rope to the outside of the mouth), and the middle part of the splint is provided with a positioning hole phi 2-3-4 mm or a long hole
The size and shape of the hole are determined according to the size of the big tooth, the two sides of the splint can clamp the big tooth without loosening and can freely pass in and out, one to two positioning iron sheets which can be inserted into the tooth gap are arranged at the two sides of the positioning hole, the positioning iron sheets can not block the drilled hole and positionThe length of the iron sheet is 3-4 mm. Positioning round hole or long hole
The position is in the center of the big tooth gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263335.2A CN115006013A (en) | 2021-03-03 | 2021-03-03 | Dental micro gear grinding and drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263335.2A CN115006013A (en) | 2021-03-03 | 2021-03-03 | Dental micro gear grinding and drilling machine |
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| CN115006013A true CN115006013A (en) | 2022-09-06 |
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| CN202110263335.2A Pending CN115006013A (en) | 2021-03-03 | 2021-03-03 | Dental micro gear grinding and drilling machine |
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| KR101126639B1 (en) * | 2011-05-31 | 2012-03-27 | 동국대학교 산학협력단 | Dental hand piece with suck back prevention expeller |
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| WO2018194910A1 (en) * | 2017-04-21 | 2018-10-25 | Kerr Corporation | Handpiece load sensing |
| KR20190072157A (en) * | 2017-12-15 | 2019-06-25 | (주)이비아이 | Drill Guide for Implant Surgery |
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