CN113925632B - Dental implant guide plate assembly and implant slotting method - Google Patents
Dental implant guide plate assembly and implant slotting method Download PDFInfo
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- CN113925632B CN113925632B CN202111138054.0A CN202111138054A CN113925632B CN 113925632 B CN113925632 B CN 113925632B CN 202111138054 A CN202111138054 A CN 202111138054A CN 113925632 B CN113925632 B CN 113925632B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0089—Implanting tools or instruments
- A61C8/009—Implanting tools or instruments for selecting the right implanting element, e.g. templates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0089—Implanting tools or instruments
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- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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Abstract
The invention relates to the technical field of oral implantation, in particular to a dental implant guide plate assembly and an implantation slotting method, wherein the dental implant guide plate assembly comprises a main body, wherein a slotting hole is formed in the main body, and a milling cutter can pass through the slotting hole and mill a slot on an alveolar bone; the fixing parts are arranged on two sides of the main body and used for fixedly installing the main body in an area between two adjacent teeth, and the main body is positioned on a part to be grooved of an alveolar bone; the dental implant guide plate assembly is characterized in that fixing parts are arranged on two sides of a main body, an area between two adjacent teeth in the oral cavity is fixedly installed through the fixing parts, a slotted hole is formed in the main body, a milling cutter can penetrate through the slotted hole and mill a groove on an alveolar bone, the technical blank that no guide plate matched with the milling cutter exists in the industry is filled, the groove depth of the milled groove can be limited through the upper end face of the main body, the milling position and the milling depth of the milling cutter are strictly controlled, and the nerve vascular bundles or normal tooth roots on the alveolar bone are prevented from being accidentally injured due to manual operation.
Description
Technical Field
The invention relates to the technical field of oral implantation, in particular to a tooth implantation guide plate assembly and an implantation slotting method.
Background
Modern dental implant technology, which is a novel concept and method of transferring the load of dental implants to surrounding biological tissues, has been developed into an independent research category in mature oral medicine with multidisciplinary frontier technical support, and has established a more scientific, more reasonable and more complete advantage over conventional artificial dentures, so that the implanted teeth have been rapidly developed in recent years. At present, the chewing function of the implanted tooth is superior to that of the traditional artificial tooth, and the implanted tooth has the advantages of good implantation stability, beautiful appearance, comfort, one-time implantation and the like, and becomes the first choice for patients with tooth loss or tooth plastic.
In the dental implant, a hole is drilled in an alveolar bone of an affected part, an implant made of titanium or other suitable materials is implanted into the alveolar bone to replace an original tooth root of the affected part, and the tooth is reconstructed after the implant is tightly combined with the alveolar bone.
When the alveolar bone is drilled, the guide plate is usually used as an auxiliary tool for accurately positioning the position, the angle and the depth of the drilled hole, the existing guide plate is not matched with a structure that a milling cutter is used for forming an implant groove on the alveolar bone, medical workers form the implant groove on the alveolar bone under the condition of not using the guide plate, the problem that the implant is poorly combined with the alveolar bone due to poor grooving position easily occurs, even the grooving is too deep, a neurovascular bundle or a normal tooth root is damaged, facial paralysis or other diseases are caused, and the patient rights and interests and the success rate of implant surgery are seriously influenced.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows: implant baffle subassembly includes: the milling cutter can penetrate through the slotted hole and mill a slot on the alveolar bone; the fixing parts are arranged on two sides of the main body and used for fixedly installing the main body in an area between two adjacent teeth, and the main body is positioned on a part to be grooved of an alveolar bone.
Further, the part of the main body, which is positioned in the slotted hole, is provided with a slot depth limiting part.
Further, the groove depth limiting part is formed on the upper end face of the main body, and the groove depth limiting part is provided with a horizontal first limiting face and at least one second limiting face protruding upwards or sinking downwards.
Furthermore, the first limiting surface is in arc transition connection with the second limiting surface.
Furthermore, a groove corresponding to the tooth profile of the tooth is arranged on the fixing part, and the tooth groove can be fixedly arranged on the tooth or the gum.
Further, the fixed part with the main part is printed integrated into one piece setting through 3D.
Furthermore, the oral cavity limiting part is further included, one end of the oral cavity limiting part is abutted to the fixing part, and the other end of the oral cavity limiting part can be fixedly installed on the upper jaw teeth or the lower jaw teeth, opposite to the fixing part, in the oral cavity.
Further, still include sleeve part, the fluting hole sets up sleeve part is last, sleeve part demountable installation is in on the main part.
The invention also provides a planting slotting method, which comprises the following steps:
s100, carrying out full-mouth computed tomography;
S2003D printing a dental implant guide plate;
s300, firmly installing the dental implant guide plate into the oral cavity of a patient;
s400, milling a planting groove.
The invention has the following beneficial effects: the dental implant guide plate assembly is characterized in that fixing parts are arranged on two sides of a main body, an area between two adjacent teeth in the oral cavity is fixedly installed through the fixing parts, the main body is located on a part to be grooved of an alveolar bone, a grooving hole is formed in the main body, a milling cutter can penetrate through the grooving hole and mill a groove on the alveolar bone, the technical blank that no guide plate matched with the milling cutter exists in the industry is filled, the groove depth of the grooving can be limited through the upper end face of the main body, the milling position and the milling depth of the milling cutter are strictly controlled, and nerve vascular bundles or normal tooth roots on the alveolar bone are prevented from being accidentally injured due to manual operation.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic cross-sectional view of a dental implant guide and milling cutter according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a dental implant guide of an embodiment of the present invention installed in an oral cavity;
FIG. 3 is a schematic cross-sectional view of an implant according to an embodiment of the present invention implanted in an oral cavity and secured by a dental implant guide;
fig. 4 is a schematic flow chart of a planting slotting method according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, the dental implant guide plate assembly includes a main body 301 and two fixing portions 302 respectively disposed at two sides of the main body 301, the two fixing portions 302 can be fixedly mounted between two adjacent teeth 100, and at this time, the main body 301 is located at a to-be-grooved portion of an alveolar bone 200, a grooved hole 303 is disposed on the main body 301, a milling cutter 400 can pass through the grooved hole 303 and mill an implant 201 on the alveolar bone 200, specifically, a patient has one or two consecutive teeth 100 missing at a certain position of an oral cavity, at this time, an implant 201 needs to be drilled on the alveolar bone 200 with the missing tooth, the implant 500 is embedded in the implant 201, after the implant 500 and the alveolar bone 200 are tightly combined, a subsequent tooth 100 reconstruction operation is performed, the dental implant guide plate assembly of the present embodiment can well assist the milling cutter 400 to drill the implant 201 on the alveolar bone 200, that is, the main body 301 is fixedly mounted on two adjacent teeth 100 of a diseased portion through the two fixing portions 302, the milling cutter 400 penetrates through the slotted hole 303 and mills the implant groove 201 on the alveolar bone 200, at the moment, the milling cutter 400 can only move in the slotted hole 303, so that the position and the angle of the implant groove 201 on the alveolar bone 200 can be accurately positioned, the main body 301 is fixed relative to the alveolar bone 200, the milling cutter 400 abuts against the upper end surface of the main body 301 after moving downwards to a certain depth, the main body 301 can limit the milling cutter 400 to continuously move downwards, so that the depth of the implant groove 201 milled by the milling cutter 400 can be increased, and the phenomenon that the neural vascular bundle or a normal tooth root is damaged due to too deep slotting is avoided; it should be noted that, the milling cutter 400 used in the oral medical industry has many structures, which are not described in detail in this embodiment, and a limiting ring 401 is usually disposed at the upper end of the milling cutter 400, and the limiting ring 401 will not rotate with the milling cutter 400, and the depth of downward movement of the milling cutter 400, that is, the depth of the planting groove 201, can be controlled by abutting the limiting ring 401 against the upper end surface of the main body 301.
In some embodiments, the portion of the main body 301 located in the grooved hole 303 is provided with a groove depth limiting portion 304, the groove depth limiting portion 304 is used for limiting the distance that the milling cutter 400 moves downwards relative to the alveolar bone 200, and particularly, because the alveolar bone 200 has many neurovascular tracts and normal roots at or near the affected part, so that the neurovascular tracts and normal roots need to be avoided during the grooving, that is, the bottom of the implant 201 is not a plane, but the groove depth at the position where the neurovascular tracts need to be avoided is smaller, and the groove depth at the position where the neurovascular tracts do not exist is larger, so that the implant 500 can be stably installed in the implant 201, and therefore, the upper end surface of the groove depth limiting portion 304 is in a shape designed to match the depth of the bottom of the implant 201, and is generally wave-shaped, of course, the position of the wave-shaped upper end surface is determined according to the actual situation of the patient, the groove depth limiting portion 304 is formed on the upper end surface of the main body 301, the groove depth limiting portion 304 has a horizontal first limiting surface 3041 and at least one second limiting surface 3042 protruding upward or recessed downward, the position where the groove depth of the planting groove 201 is smaller corresponds to the second limiting surface 3042 protruding upward, the position where the groove depth of the planting groove 201 is larger corresponds to the other second limiting surface 3042 recessed downward, the limiting ring 401 of the milling cutter 400 can tightly attach to the groove depth limiting portion 304 to perform a groove milling operation on the alveolar bone 200, which is a finish milling operation, and the limiting ring 401 of the milling cutter 400 does not contact with the groove depth limiting portion 304 during a rough milling operation or does not always contact with the groove depth limiting portion 304.
In some embodiments, the first and second stop surfaces 3041 and 3042 are connected in an arc-shaped transition manner, so that the stop ring 401 of the milling cutter 400 can move left and right stably and tightly contact with the groove depth stop portion 304, thereby improving the quality of the milled groove and ensuring that the subsequent implant 500 can be well combined with the alveolar bone 200 in the implant groove 201.
In some embodiments, the fixing portion 302 is provided with a slot 305 corresponding to the tooth shape of the tooth 100, and the slot can be fixedly installed on the tooth 100 or the gum, specifically, the fixing portion 302 is designed according to the shape of the tooth 100 or the gum of the patient, and can be stably installed around the tooth missing position of the patient, so as to ensure that the main body 301 can be fixedly installed on the alveolar bone 200 of the affected part; in other embodiments, the fixing portion 302 can be fixedly attached to the tooth 100 by adhesion, and the implant guide plate is removed after the implant slot 201 is milled; in still other embodiments, the fixing portion 302 may be made of a material with certain elasticity, and the elastic restoring force of the material itself ensures that the fixing portion 302 and the main body 301 are fixed in the oral cavity of the patient during the groove milling.
In some embodiments, the fixing portion 302 and the main body 301 are integrally formed by 3D printing, specifically, the specific structure design of the dental implant guide plate needs to obtain the images of the tooth 100 and the bone according to the full oral computed tomography (CBCT) of the patient, and the positions of the tooth 100 and the bone can be simulated by combining the images obtained by a computer image software model or a tooth 1003D file obtained by oral scanning, so that the dental implant guide plate is manufactured by a manufacturing technology after the dental implant planning is repeatedly performed; certainly, the trend and the gathering condition of the vascular nerve bundle below the alveolar bone 200 can be obtained through the full-mouth computed tomography of the patient, the groove depth of each part at the bottom of the implant groove 201 is conveniently planned, and meanwhile, the specific shape structure of the groove depth limiting part 304 is also conveniently planned.
In some embodiments, the dental implant guide assembly further comprises an oral cavity stopper, when the groove is milled, the patient may need a long-time large mouth, and the oral cavity stopper is used for not only ensuring that the patient keeps the mouth-opening state during the groove milling process, but also further stabilizing the main body 301 in the oral cavity through the occlusal force of the patient; since the milling flutes move left and right and up and down relative to the main body 301 or the milling flutes 303 during the milling flutes process, it is necessary to ensure not only the fixation of the main body 301 in the up-down direction but also the fixation of the main body 301 in the left-right direction, so that the present embodiment applies the occlusal force of the patient to the fixation portion 302 through the mouth stopper, and ensures that the main body 301 does not move relative to the alveolar bone 200 during the milling flutes process, thereby ensuring the milling flutes effect; specifically, one end of the oral cavity limiting piece abuts against the fixing portion 302, and the other end of the oral cavity limiting piece can be fixedly installed on the upper jaw teeth or the lower jaw teeth of the oral cavity opposite to the fixing portion 302, that is, if the main body 301 is installed on the upper jaw portion of the oral cavity of the patient, the other end of the oral cavity limiting piece is fixed on the lower jaw portion of the oral cavity of the patient, so as to ensure that the mouth of the patient cannot be closed, and simultaneously, the occlusal force of the patient is applied to the fixing portion 302 connected with the main body 301 through the oral cavity limiting piece, so as to further ensure that the main body 301 is fixedly installed in the oral cavity of the patient, the end of the oral cavity limiting piece matched with the teeth 100 can be designed with a slot 305 matched with the tooth form of the teeth 100, so as to ensure that one end of the oral cavity limiting piece is tightly connected with the teeth 100, and the oral cavity limiting piece does not displace relative to the teeth 100 when the patient bites, and the other end of the oral cavity limiting piece is provided with a shape matched with the outer surface of the fixing portion 302, which ensures that the mouth stop does not displace relative to the body 301 or the retainer 302 during occlusion.
In some embodiments, the dental implant guide plate assembly further comprises a sleeve member detachably mounted on the main body 301, the slotted hole 303 is formed in the sleeve member, the main body 301 is also provided with a mounting hole for fixing the sleeve member, when the implant groove 201 needs to be milled, the sleeve member can be fixedly mounted on the main body 301, the main body 301 can be stably mounted in the oral cavity of the patient through the fixing portions 302 at two sides, the medical staff mills the implant groove 201 on the alveolar bone 200 of the patient by using the milling cutter 400, the milling cutter 400 can only move in the slotted hole 303, the milling depth of the milling cutter 400 is limited by the groove depth limiting portion 304, after the operation of milling the implant groove 201 is completed, the main body 301 can be taken out of the oral cavity of the patient, the sleeve member is detached from the main body 301, and in some cases, after the implant 500 is implanted in the implant groove 201, a fixing holder needs to be worn for a period of time, ensure that implant 500 is installed firmly in planting groove 201, main part 301 can keep its position of guaranteeing implant 500 in planting groove 201 as fixed this moment, it is specific, planting portion 501 of implant 500 upper end is protruding upwards and is placed in the mounting hole of main part 301, can make implant 500 and main part 301 relatively fixed through the mode of bonding this moment, and main part 301 can firmly be installed in the patient oral cavity through fixed part 302 again, and then ensure that implant 500 plants in-process or alveolar bone 200 grows to the in-process that combines closely with implant 500, implant 500 can not remove relative alveolar bone 200, thereby guarantee the effect of planting.
It should be noted that, in some embodiments, the milling cutter 400 may be shaped like a tapered milling cutter 400, and in this case, it may mill an inverted wedge-shaped implant slot 201 on the alveolar bone 200, and in this case, the implant 500 may be implanted into the implant slot 201 through a wedge-shaped structure, so as to ensure that the implant 500 is stably mounted with the alveolar bone 200.
The present invention also provides a method for milling an implant groove 201 on an alveolar bone 200, which is shown in fig. 4 and comprises the following steps:
s100 full mouth computed tomography (CBCT), carrying out full mouth computed tomography on the patient, acquiring images of the teeth 100 and the alveolar bone 200 in the oral cavity of the patient, and combining the images with a computer image software model or a tooth 1003D file acquired by using the oral scanning to simulate the positions of the teeth 100 and the bones, wherein the position condition of a neurovascular bundle at the lower end of the affected part can be acquired in the step.
And S2003D, printing a dental implant guide plate, and manufacturing the dental implant guide plate in a 3D printing mode according to the image of the tooth 100 and the alveolar bone 200 obtained in the step S100 and the position condition of the neurovascular bundle at the lower end of the affected part, wherein the dental implant guide plate comprises a main body 301 and fixing parts 302 at two sides of the main body 301, a slotted hole 303 for a milling cutter 400 to pass through is formed in the main body 301, a groove depth limiting part 304 is further arranged at the upper end of the slotted hole 303, and the specific shape structure of the groove depth limiting part 304 is determined according to the position condition of the neurovascular bundle at the lower end of the affected part.
S300, the dental implant guide plate is firmly installed in the oral cavity of a patient, specifically, the main body 301 can be firmly installed on two adjacent teeth 100 of the patient through the fixing part 302, and at the moment, the main body 301 is located on the part, to be grooved, of the alveolar bone 200; further, the fixing portion 302 can be fixedly connected with the tooth 100 by adhesion; further, the sleeve member can be mounted on the main body 301, and then the main body 301 is firmly mounted on two adjacent teeth 100 of the patient through the fixing portion 302; in order to further ensure the effect of milling the implant groove 201, an oral cavity limiting member may be inserted into the oral cavity of the patient, one end of the oral cavity limiting member abuts on the fixing portion 302, and the other end of the oral cavity limiting member may be fixedly mounted on the upper jaw teeth or the lower jaw teeth opposite to the fixing portion 302, that is, if the main body 301 is mounted on the upper jaw portion of the oral cavity of the patient, the other end of the oral cavity limiting member is fixed on the lower jaw portion of the oral cavity of the patient.
S400, milling an implant groove 201, wherein a milling cutter 400 penetrates through a slotted hole 303 and abuts against an affected part of an alveolar bone 200 to perform milling operation, the milling cutter 400 reciprocates in the slotted hole 303 to mill the implant groove 201 step by step, and in the process that the groove depth of the implant groove 201 is increased step by step, a limit ring 401 of the milling cutter 400 can contact with a groove depth limit part 304 at the slotted hole 303, in the final finish milling step, the limit ring 401 of the milling cutter 400 can cling to the groove depth limit part 304 to reciprocate, the downward moving depth of the milling cutter 400 is limited by the groove depth limit part 304, so that all parts of the bottom of the implant groove 201 can be milled by the milling cutter 400, the depth can be different, the position where neurovascular bundles are gathered can be avoided, and damage to the neurovascular bundles or normal tooth roots due to too deep slotting is effectively avoided.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (2)
1. A dental implant guide plate assembly, comprising:
the dental implant comprises a main body (301), wherein a slotted hole (303) is formed in the main body (301), and a milling cutter (400) can penetrate through the slotted hole (303) and mill a slot on an alveolar bone (200);
fixing parts (302) which are respectively arranged at two sides of the main body (301) and are used for fixedly mounting the main body (301) on an area between two adjacent teeth (100), and the main body (301) is positioned on a part to be grooved of an alveolar bone (200);
a groove depth limiting part (304) is arranged on the part, positioned in the grooved hole (303), of the main body (301);
the groove depth limiting part (304) is formed on the upper end face of the main body (301), and the groove depth limiting part (304) is provided with a horizontal first limiting face (3041) and at least one second limiting face (3042) protruding upwards or sinking downwards;
the first limit surface (3041) is in arc transition connection with the second limit surface (3042);
the mouth limiting piece is connected with the fixing part (302) in an abutting mode at one end, and the other end of the mouth limiting piece can be fixedly installed on upper jaw teeth or lower jaw teeth opposite to the fixing part (302) in the mouth;
further comprising a sleeve member, the slotted hole (303) being provided on the sleeve member, the sleeve member being detachably mounted on the main body (301).
2. A dental implant guide plate assembly according to claim 1, characterised in that the fixture portion (302) is provided integrally with the main body (301) by 3D printing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138054.0A CN113925632B (en) | 2021-09-27 | 2021-09-27 | Dental implant guide plate assembly and implant slotting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138054.0A CN113925632B (en) | 2021-09-27 | 2021-09-27 | Dental implant guide plate assembly and implant slotting method |
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| CN113925632A CN113925632A (en) | 2022-01-14 |
| CN113925632B true CN113925632B (en) | 2022-07-12 |
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| CN103598920A (en) * | 2013-12-04 | 2014-02-26 | 杭州六维齿科医疗技术有限公司 | Whole-tooth lost dental implantation operation guide plate and making method thereof |
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| CN206044765U (en) * | 2016-07-01 | 2017-03-29 | 安睿捷生医股份有限公司 | Plant tooth guide plate structure |
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| CN110680529A (en) * | 2019-10-12 | 2020-01-14 | 西安科智骨医疗器械有限公司 | Implant guide plate based on 3D printing and manufacturing method |
| CN113057753A (en) * | 2021-04-29 | 2021-07-02 | 威海威高洁丽康生物材料有限公司 | Manufacturing method of digital 3D planting guide plate |
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2021
- 2021-09-27 CN CN202111138054.0A patent/CN113925632B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103598920A (en) * | 2013-12-04 | 2014-02-26 | 杭州六维齿科医疗技术有限公司 | Whole-tooth lost dental implantation operation guide plate and making method thereof |
| CN105708569A (en) * | 2016-01-27 | 2016-06-29 | 深圳市康泰健牙科器材有限公司 | Manufacturing method and system of digital implantation guide plate |
| CN206044765U (en) * | 2016-07-01 | 2017-03-29 | 安睿捷生医股份有限公司 | Plant tooth guide plate structure |
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| CN113925632A (en) | 2022-01-14 |
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