CN102920517A - Artificial tooth implant fixing structure - Google Patents
Artificial tooth implant fixing structure Download PDFInfo
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- CN102920517A CN102920517A CN2011102255800A CN201110225580A CN102920517A CN 102920517 A CN102920517 A CN 102920517A CN 2011102255800 A CN2011102255800 A CN 2011102255800A CN 201110225580 A CN201110225580 A CN 201110225580A CN 102920517 A CN102920517 A CN 102920517A
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- tooth
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- tooth body
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Abstract
The invention discloses an artificial tooth implant fixing structure, wherein a cylindrical body is disposed at the lower end of the tooth implant, and a screw tooth part is disposed outside the body; the outer side surface of the end part of the screw tooth part is cone-shaped with the diameter decreasing from up to down, and a concave cone-shaped screw hole is disposed at the center of the end surface; the outer side surface of the end part 15 and the side wall surface of the cone-shaped screw hole 17 are in a state that both bottom ends of the two face downwards and the two surfaces are inclined and close to each other; therefore, the invention can reduce locking torsional force when the tooth implant is locked in a groove bone tooth implant hole, promote bone integration, and improve the success rate of tooth implantation operations.
Description
Technical field
The relevant a kind of implant tooth body fixed structure of the present invention refers to a kind of artificial dental implant surgical that applies to, especially in order to the implant tooth body fixed structure as the artificial tooth root that artificial tooth is fixed in oral cavity groove bone.
Background technology
General dental implant surgical by install an implant tooth body (or claiming artificial tooth root) at the groove bone of the predetermined installing of patient artificial tooth, then is positioned at an artificial tooth on the gingival position of the predetermined installing in oral cavity artificial tooth by this implant tooth body.
The structure of implant tooth body commonly used roughly is cylindric usually, be provided with spiro tooth part in the outside, cylindrical bottom, can have a stage body on the top of spiro tooth part in order to lock among the placed groove bone of the pre-field planting in patient oral cavity, can be for an artificial tooth location and installation in the top of this implant tooth body.
The process of planting tooth approximately can be divided into two stages.Phase I is first at the groove bone drilling in patient oral cavity, and an implant tooth body is locked in the hole of groove bone.When the initial stage of planting the tooth body and locking; the organizing not yet and plant tooth body generation bone and integrate (Osseointegration) of groove bone; therefore need to avoid the stressed phase (stress-free period) through one section; should avoid this moment minute movement (micro-motion) to cause the freshman bone tissue on the implant Tooth surface to produce loosening as far as possible; so implant tooth body can temporarily be sewed up tooth meat first after implanting usually.Treat after the bone integration period that freshman bone tissue and implant tooth body have been intimate-association state, carry out second stage again, reopen tooth meat and a stage body (abutment) is fixed on the implant tooth body.At last, again artificial tooth is made on the Zhi Taiti.
Plant the tooth body for raising and be locked into steadiness in the groove bone, and promotion groove bone and the bone synergy of planting the tooth body, the spiro tooth part of implant tooth body commonly used is usually designed to the structure of the self-tap with cutting effect, its structure usually is provided with groove in the side of the original position of spiro tooth part least significant end, the thread at this position forms the structure with cutting edge, therefore so that this spiro tooth part lock the groove bone pre-drilled plant the tooth hole in, can be by the cutting edge cutting slot bone of this spiro tooth part, spiro tooth part is the occlusal crib bone more in depth, therefore improve the stability of planting after the tooth body is locked into the groove bone, and reduce and plant the tooth body and be locked into resistance in the groove bone process.
Yet in the structure of the implant tooth body of commonly using, it is plane that the end face of its spiro tooth part lowermost end is usually, or be circular-arc, therefore working as spiro tooth part is locked in the pre-drilled process of planting the tooth hole of groove bone, when if the bone of groove bone bits are deposited in the end face of spiro tooth part, with the phenomenon that causes easily spiro tooth part when locking resistance to improve, so that the operator must impose larger coupling mechanism force when planting the tooth body locking.
Must be limited in certain scope and plant the locking torsion of tooth body in the locking process, if the application of force is excessive, the frictional force of spiro tooth part and groove bone will be improved, so that because of the excess Temperature of frictional force generation, cause the phenomenon of groove bone necrosis.On the other hand, plant between tooth body and groove bone because the resistance that the accumulation of thigh bits produces with so that the pressure of planting between tooth body spiro tooth part and groove bone increases, so that oral cavity groove bone is collapsed by the sealed position generation of spiro tooth part, causes even the situation of planting the fracture of tooth body.
In addition, to plant the tooth body and lock the stability that the groove bone initial stage in the tooth hole of planting supports in order to promote, and promote the bone of implant tooth body and groove bone to integrate, part implant tooth commonly used is known from experience in spiro tooth part terminal surface central authorities one recessed inner bolt hole is set, so that spiro tooth part is locked when planting the tooth hole, the bone bits of planting bottom, tooth hole can enter into this inner bolt hole, fill up this inner bolt hole with the guide channel bone growth, to reach the purpose that promotes the bone synergy.
Yet implant tooth body commonly used is because its spiro tooth part end surface shape is plane or circular-arc, can make the bone bits of planting the tooth hole be deposited in the end face below of spiro tooth part, and be difficult for entering into aforesaid inner bolt hole, cause the effect of the promotion bone integration of this inner bolt hole to be restricted.
Summary of the invention
The technical problem that the present invention solves provides a kind of implant tooth body fixed structure, can reduce to plant the tooth body and lock the locking torsion that the groove bone is planted the tooth hole, and promote bone to integrate, to improve the dental implant surgical success rate.
Technical solution of the present invention is:
A kind of implant tooth body fixed structure, can the placed groove bone of the pre-field planting in patients with implantation oral cavity in; Wherein this plants tooth body 10,10A has a body 11,11A; This body defines a upper end and lower end according to its direction of locking described groove bone; Wherein this body upper end can connect a pedestal 20,20A, plants tooth body 10,10A top in order to an artificial tooth 30 is fixed in this; And described end portion has a body 11,11A, and is provided with a spiro tooth part 12,12A in the outside of this body, and it can be locked among the groove bone of aforementioned patient oral cavity, uses this is planted the tooth body to be fixed among the groove bone of patient oral cavity; Wherein: the bottom of this spiro tooth part has an end portion 15,15A; And be provided with conical bolt hole 17, the 17A of an indent in the end face 16 of this end portion 15,15A, the central authorities of 16A; The outside of aforementioned end portion 15,15A is the from top to bottom taper of convergent; And this conical bolt hole 17,17A are the bellmouth that the upper end diameter is little and the lower ending opening diameter is large, so that the lateral surface of the side wall surface of this conical bolt hole 17,17A and end portion 15,15A forms the bottom jointly towards the below, and the mutual state of inclination closely.
Above-mentioned implant tooth body fixed structure, wherein, the width of this end face 16 is within 0.2mm to 1mm scope.
Above-mentioned implant tooth body fixed structure, wherein, the outside that this body 11 is positioned at this spiro tooth part 12 is provided with a spiral groove 14 that extends to these body 11 outsides from these end portion 15 outsides.
Above-mentioned implant tooth body fixed structure, wherein, this pedestal 20 is planted the structure of tooth body 10 for being separated from each other with this.
Above-mentioned implant tooth body fixed structure, wherein, this pedestal 20A is located at the top that this plants tooth body 10A one-body moldedly.
Learnt that by above explanation the present invention has following advantage really:
Implant tooth body fixed structure of the present invention comprises: one plants the tooth body, and its lower end has without exception cylindrical body, and can lock the spiro tooth part of patient oral cavity groove bone in the body arranged outside; The bottom of this spiro tooth part has an end portion; And in the central authorities of the end face of this end portion, relate to the conical bolt hole of an indent; The outside of aforementioned end portion is the from top to bottom taper of convergent; And that this conical bolt hole is the upper end diameter is little, the bellmouth that the lower ending opening diameter is large, and therefore so that the lateral surface of the side wall surface of this conical bolt hole and end portion forms the bottom jointly towards the below, and the mutual state of inclination closely.
The thickness at the end portion lowermost end of this spiro tooth part part position between between the lateral surface of the opening of this conical bolt hole and this end portion is reduced, and this is planted the tooth body and locks the purpose of planting tooth hole resistance therefore can to reach minimizing; And width and the area of the end face of this end portion bottommost are reduced, and avoid the bone of groove bone to consider the bottom that is piled up in this end face to be worth doing, are easy to enter into aforementioned conical bolt hole inside to reach the bone bits, to promote the purpose of bone synergy.Accordingly, the present invention can reduce and plants the tooth body and lock the locking torsion that the groove bone is planted the tooth hole, and promotes bone to integrate, to improve the dental implant surgical success rate.
Description of drawings
Fig. 1 is the lateral plan of the implant tooth body of first embodiment of the invention;
Fig. 2 is the axonometric chart of the implant tooth body of first embodiment of the invention;
Fig. 3 is the profile of the implant tooth body of first embodiment of the invention;
Fig. 3 A is the local amplification profile of the end portion of implant tooth body of the present invention;
Fig. 3 B is the bottom view of the end portion of implant tooth body of the present invention;
Fig. 4 is that the implant tooth body of the first embodiment of the present invention is implanted in the groove bone of patient's oral tooth implantation position, and an artificial tooth is installed on user mode sketch map under this upper state of planting the tooth body;
Fig. 5 is the part sectioned view of the implant tooth body of second embodiment of the invention.
The main element label declaration:
10,10A: plant tooth body 11,11A: body 12,12A: spiro tooth part
13: cervical region 14: groove 15,15A: end portion
16,16A: end face 17,17A: conical bolt hole 18: fine thread
20,20A a: pedestal 30: artificial tooth 40: groove bone
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.
As shown in Figures 1 to 4, manually plant the first embodiment of tooth body fixed structure for the present invention.Wherein this is planted tooth body 10 and generally is cylinder, and according to this direction of planting the groove bone at pre-field planting tooth position, tooth body 10 patients with implantation oral cavities, definable goes out a upper part and an end portion.This end portion of planting tooth body 10 is cylindrical body 11 without exception, and the appearance in this body 11 is provided with a spiro tooth part 12, and its top has a cervical region 13, the arranged outside of this cervical region 13 has fine thread 18, lock behind the groove bone strength with the groove bone biting to promote it, simultaneously this cervical region 13 on can further connect a pedestal 20, and by this pedestal 20 artificial tooth 30 is installed on this upper end of planting tooth body 10 (as shown in Figure 4).
As shown in Figure 2, the lowermost end of aforementioned spiro tooth part 12 has an end portion 15; The thread of this end portion 15 is the structure of self tapping thread, and in this spiro tooth part 12 at least one outside from this end portion 15 is set, extend to these body 11 outsides and spiral groove 14 roughly, make this spiro tooth part 12 when being locked into the groove bone in patient oral cavity, can more easily nip in the tissue of groove bone, and utilize this groove 14 to hold the bone bits that these spiro tooth part 11 cutting slot bones produce.The outer surface of this spiro tooth part 11 can adopt the Surface Machining such as sandblast, chemical attack or processings of electricity slurry in addition, makes its surface present coarse state, and is courageous and upright with the parent who improves this spiro tooth part 12, and groove bone and this are planted the adaptation after the integration of tooth body 10 bones.
As shown in Figures 3 and 4, the present invention is in the central authorities of the end face 16 of end portion 15, be provided with the conical bolt hole 17 of an indent, this conical bolt hole 17 can in this plant the tooth body be locked into pre-field planting tooth the groove bone plant in the tooth hole time, hold the groove bone bone bits that are positioned at these end face 16 belows, its can promote on the one hand plant the tooth body lock after and the steadiness of groove bone biting, on the other hand, bone bits and flesh and blood can embed in this conical bolt hole 17, therefore so that bone integrate finish after, the groove osseous tissue can be grown and be filled up the space of this conical bolt hole 17, and promotes the steadiness of planting tooth body bottom part and the integration of groove bone.
The present invention mainly is the from top to bottom taper of convergent of diameter in the lateral surface of the end portion 15 of this spiro tooth part 12, and it is little that this conical bolt hole 17 is the upper end diameter, the bellmouth that the lower ending opening diameter is large, make the side wall surface of this conical bolt hole 17 and the lateral surface of end portion 15 form the bottom jointly towards the below, and the state that mutually closely tilts.Therefore so that the thickness at end portion 15 lowermost ends of this spiro tooth part 12 part position between the lateral surface of the opening of this conical bolt hole 17 and this end portion 15 reduced; And shown in Fig. 3 B, width and the area of the end face 16 of these end portion 15 bottommosts are reduced.
By above structure, can reduce this spiro tooth part 12 locks when planting the tooth hole, therefore the locking resistance that its end portion 15 is born so that implant tooth body of the present invention is difficult for producing when planting the tooth hole because the excessive and overheated situation of resistance locking, and then improves the success rate of dental implant surgical.Simultaneously, because the width of this end face 16 and area reducing, therefore can make the bone of groove bone consider the bottom that is difficult for being deposited in this end face 16 to be worth doing, and allow more bone bits enter into this conical bolt hole 17 inside, therefore can the Effective Raise bone integrate finish after, the steadiness of groove osseous tissue and 17 combinations of this conical bolt hole.
In addition, reduce the accumulation of groove bone bone bits for taking into account, and the purpose of end portion 15 intensity of spiro tooth part 12, the width of aforementioned end face 16 preferably maintains the numerical value between the 0.2mm to 1mm, when avoiding this end face 16 too narrow, the situation of the thread undercapacity of its lateral surface is produced.
The tooth body 10 of planting of first embodiment of the invention is adopted the design that multisection type is planted the tooth body, that is this plant tooth body 10 with aforementioned in order to pedestal 20 that artificial tooth 30 is installed for separating individual structure.As shown in Figure 4, the tooth body of planting of the present invention first is drilled with a hole with drilling instrument in the positions of the groove bone 40 predetermined installing artificial tooths in patient oral cavity in advance when carrying out dental implant surgical, and then this is planted tooth body 10 is locked into planting in the tooth hole of this groove bone 40.
When planting after tooth body 10 is implanted to the tooth hole, generally planting the operative procedure of tooth can partly sew up gingiva first, until groove bone 40 and after planting the 10 generation bones integration of tooth body, again operate on again the top of planting tooth body 10 is exposed outside the tooth meat of gingiva, and then with the upper end of aforementioned pedestal 20 devices to the cervical region 13 of planting tooth body 10, and then according to planting tooth patient oral occlusion kenel, make aforementioned artificial tooth 30, and then this artificial tooth is installed on this pedestal 20.
As shown in Figure 5, be the second embodiment of the present invention.This second embodiment is the specific embodiment of single-body type implant tooth body.Among this embodiment, plant tooth body 10A and one-body molded in order to a pedestal 20A of fixed denture.Wherein this lower end of planting tooth body 10A has a body 11A; The bottom of body 11A is connected with an end portion 15A; And the arranged outside in this body 11A and end portion 15A has spiro tooth part 12A.While, the central authorities in the end face of end portion 15A were provided with a conical bolt hole 17A.
The tooth body 10A that plants of second embodiment of the invention has identical feature with the tooth body 10 of planting of the first embodiment, that is the shape of this spiro tooth part 12A, body 11A, end portion 15A, conical bolt hole 17A, end face 16A and structural feature all the structural feature with spiro tooth part 12, body 11 and the end portion 15 of the first embodiment, conical bolt hole 17, end face 16 is identical, therefore give no longer in addition and giving unnecessary details.
The present invention is by above technological means, can reach to improve the dental implant surgical success rate, and plant tooth finish after bone synergy effect more completely.But above description discloses only for illustrating for the better possible embodiments of the present invention; this embodiment limits protection scope of the present invention; that is other does not break away from the equalization finished under the disclosed skill spirit and changes, and all should be contained in protection scope of the present invention.
Claims (5)
1. implant tooth body fixed structure, can the placed groove bone of the pre-field planting in patients with implantation oral cavity in; Wherein this is planted tooth body (10,10A) and has a body (11,11A); This body defines a upper end and lower end according to its direction of locking described groove bone; Wherein this body upper end can connect a pedestal (20,20A), plants tooth body (10,10A) top in order to an artificial tooth (30) is fixed in this; And described end portion has a body (11,11A), and is provided with a spiro tooth part in the outside of this body (12,12A), and it can be locked among the groove bone of aforementioned patient oral cavity, uses this is planted the tooth body to be fixed among the groove bone of patient oral cavity;
It is characterized in that:
The bottom of this spiro tooth part has an end portion (15,15A); And be provided with the conical bolt hole (17,17A) of an indent in the central authorities of the end face of this end portion (15,15A) (16,16A); The outside of aforementioned end portion (15,15A) is the from top to bottom taper of convergent; And this conical bolt hole (17,17A) is the bellmouth that the upper end diameter is little and the lower ending opening diameter is large, the lateral surface of the side wall surface of (17,17A) and end portion so that this conical bolt hole (15,15A) forms the bottom jointly towards the below, and the state that mutually closely tilts.
2. implant tooth body fixed structure as claimed in claim 1 is characterized in that the width of this end face (16) is within 0.2mm to 1mm scope.
3. implant tooth body fixed structure as claimed in claim 1, it is characterized in that the outside that this body (11) is positioned at this spiro tooth part (12) is provided with a spiral groove (14) that extends to this body (11) outside from this end portion (15) outside.
4. implant tooth body fixed structure as claimed in claim 1 is characterized in that, this pedestal (20) is planted the structure of tooth body (10) for being separated from each other with this.
5. implant tooth body fixed structure as claimed in claim 1 is characterized in that this pedestal (20A) is located at the top that this plants tooth body (10A) one-body moldedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102255800A CN102920517A (en) | 2011-08-08 | 2011-08-08 | Artificial tooth implant fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102255800A CN102920517A (en) | 2011-08-08 | 2011-08-08 | Artificial tooth implant fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102920517A true CN102920517A (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102255800A Pending CN102920517A (en) | 2011-08-08 | 2011-08-08 | Artificial tooth implant fixing structure |
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| Country | Link |
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| CN (1) | CN102920517A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017206138A1 (en) * | 2016-06-02 | 2017-12-07 | 王启浩 | Dental implant |
| US10188489B2 (en) | 2014-04-17 | 2019-01-29 | Star Generation Limited Taiwan Branch | Sinus implant |
| CN112168391A (en) * | 2019-07-04 | 2021-01-05 | 彭志军 | Upper and lower inflation integral type denture planting device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088423A (en) * | 1992-10-29 | 1994-06-29 | 梅德弗洛普有限公司 | The securing member of supporting prostheses or the bindiny mechanism that is used to reconnect |
| US20080280255A1 (en) * | 2005-10-20 | 2008-11-13 | D Alise David D | Screw-type dental implant |
| WO2010090399A2 (en) * | 2009-02-05 | 2010-08-12 | 주식회사 메가젠임플란트 | Dental implant fixture |
-
2011
- 2011-08-08 CN CN2011102255800A patent/CN102920517A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088423A (en) * | 1992-10-29 | 1994-06-29 | 梅德弗洛普有限公司 | The securing member of supporting prostheses or the bindiny mechanism that is used to reconnect |
| US20080280255A1 (en) * | 2005-10-20 | 2008-11-13 | D Alise David D | Screw-type dental implant |
| WO2010090399A2 (en) * | 2009-02-05 | 2010-08-12 | 주식회사 메가젠임플란트 | Dental implant fixture |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10188489B2 (en) | 2014-04-17 | 2019-01-29 | Star Generation Limited Taiwan Branch | Sinus implant |
| WO2017206138A1 (en) * | 2016-06-02 | 2017-12-07 | 王启浩 | Dental implant |
| CN112168391A (en) * | 2019-07-04 | 2021-01-05 | 彭志军 | Upper and lower inflation integral type denture planting device |
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Application publication date: 20130213 |