CN203953856U - A kind of simple and easy dental assembly of planting - Google Patents
A kind of simple and easy dental assembly of planting Download PDFInfo
- Publication number
- CN203953856U CN203953856U CN201420423735.0U CN201420423735U CN203953856U CN 203953856 U CN203953856 U CN 203953856U CN 201420423735 U CN201420423735 U CN 201420423735U CN 203953856 U CN203953856 U CN 203953856U
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- implantation piece
- equal
- planting
- thread
- dental assembly
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Abstract
The utility model discloses a kind of simple and easy dental assembly of planting.It is comprised of implantation piece (1) and retention means (2); Described implantation piece (1) adopts porous tantalum product, and its porosity is 60%～70%; Described implantation piece (1) inside is provided with groove (3), and this groove (3) lower side is provided with regular screw threads; The bottom of described retention means (2) is threaded rod (4), the regular screw threads corresponding matching of this threaded rod (4) and implantation piece (1) inner groovy (3) lower side; The top (5) of described retention means (2) is spindle shape, concaved circular cambered surface (7) in forming between its maximum gauge place (6) and described implantation piece (1) upper surface; Described implantation piece (1) middle part appearance is with trapezoidal thread (9) or rectangular thread, and bottom appearance is with angular thread (8).This utility model is simple in structure, self tapping is good, it is reliable conveniently to implant, connect, and has good biocompatibility and stress performance concurrently.
Description
Technical field
This utility model relates to canine implant, relates in particular to a kind of simple and easy dental assembly of planting.
Background technology
At present, existing implant dental assembly generally includes the parts such as implantation piece, retention means and screw, and it is by screw, retention means and implantation piece to be connected and fixed, after a corona is installed in this retention means again again, to realize the implantation of artificial tooth.Because thering is unique technical advantage, and obtained good development, applied more and more extensive.
For example, but along with the development of this technology, the many technical problems that wherein exist also appear gradually, and: parts are more, complex structure is various, plant tooth process loaded down with trivial details; Self tapping is poor, be difficult to implant; After implanting, be connected defective tightness with body bone tissue, easy loose or dislocation etc.In addition, its mechanical property and biocompatibility are poor, there will be repulsion, and affect its service life after long-time use with tissue.
Utility model content
In view of the foregoing defects the prior art has, this utility model aims to provide a kind of simple and easy dental assembly of planting, and this is simple and easy plants that dental assembly is simple in structure, self tapping is good, conveniently implant, connect reliable, and has good biocompatibility and stress performance concurrently.
To achieve these goals, this utility model is by the following technical solutions:
The simple and easy dental assembly of planting, is characterized in that: it is comprised of implantation piece and retention means; Described implantation piece adopts porous tantalum product, and its porosity is 60%～70%; Described implantation piece inside is provided with groove, and this groove lower side is provided with regular screw threads; The bottom of described retention means is threaded rod, the regular screw threads corresponding matching of this threaded rod and implantation piece inner groovy lower side; The top of described retention means is spindle shape, concaved circular cambered surface in forming between its maximum gauge place and described implantation piece upper surface; Described implantation piece middle part appearance is with trapezoidal thread or rectangular thread, and bottom appearance is with angular thread.
As the improvement to the technical program, the top of above-mentioned retention means and the threaded rod of its underpart are one-body molded.This arranges the further structure of simplifying retention means, is convenient to manufacture.In application by the top of this retention means and corona corresponding matching, when having realized artificial tooth and implant.
As the improvement to the technical program, the tooth form angle of the trapezoidal thread of above-mentioned implantation piece middle part appearance is more than or equal to 90 °, is less than or equal to 135 °.
As the improvement to the technical program, the tooth form angle of the angular thread of above-mentioned implantation piece bottom appearance is more than or equal to 30 °, is less than or equal to 80 °.
As the improvement to the technical program, the axial length ratio of the apparent trapezoidal thread of above-mentioned implantation piece and angular thread is more than or equal to 1.4, is less than or equal to 1.5.
The utlity model has following beneficial effect:
1, its implantation piece and retention means are connected by regular screw threads, easily produce self-locking, and good stress performance, and the setting of further having saved screw, simplify the structure;
2, its underpart angular thread has promoted its self tapping, make implantation process more efficient and convenient, the mechanical strength that the trapezoidal thread at its middle part or rectangular thread have improved structural entity, has improved stress performance, the success rate that has greatly improved plantation, has effectively promoted clinical application effect;
3, by unique structure, formed interior concaved circular cambered surface, greatly shortened the restore cycle, and this artificial structure is closely connected with fastening with alveolar bone, displacement is difficult for getting loose;
4, its implantation piece itself adopts porous tantalum product, well met its mechanical property, improved stress performance, also greatly increased its biocompatibility simultaneously, improve service life and implanted comfort level, increase stability and anti-verticity after this artificial prosthesis is implanted, greatly improved the success rate of plantation.
Accompanying drawing explanation
Fig. 1 is simple and easy decomposition texture schematic diagram of planting dental assembly in this utility model embodiment.
Fig. 2 is simple and easy integral body assembling design sketch of planting dental assembly in this utility model embodiment.
The specific embodiment
Below by embodiment, this utility model is specifically described; be necessary to be pointed out that at this following examples are only for being further detailed this utility model; can not be interpreted as the restriction to this utility model protection domain, those skilled in the art can make some nonessential improvement and adjustment to this utility model according to foregoing.
Embodiment: as shown in Figure 1-2, a kind of simple and easy dental assembly of planting, it is comprised of implantation piece 1 and retention means 2; Its implantation piece 1 adopts porous tantalum product, and its porosity is 60%～70%, and this porous tantalum product specifically can adopt method preparation described in patent 201110296515.7; This implantation piece 1 inside is provided with groove 3, and groove 3 lower side are provided with regular screw threads; The bottom of its retention means 2 is threaded rod 4, the regular screw threads corresponding matching of this threaded rod 4 and implantation piece 1 inner groovy 3 lower side; The top 5 of its retention means 2 is spindle shape, concaved circular cambered surface 7 in forming between its maximum gauge place 6 and implantation piece 1 upper surface; Its implantation piece 1 middle part appearance is the trapezoidal thread 9 of 95 ° with tooth form angle, and lower external face is the angular thread 8 of 60 ° with tooth form angle, and the axial length ratio of this trapezoidal thread 9 and angular thread 8 equals 1.4; The top 5 of its retention means 2 adopts medical titanium alloy one-body molded with the threaded rod of its underpart 4, and further by the top of this retention means 25 and corona corresponding matching, has realized artificial tooth implantation.
In this example, concaved circular cambered surface 7 in forming between the upper surface of implantation piece 1 and the maximum gauge place 6 of retention means 2, such structure makes to have formed an annular healing district between retention means 2 outer surfaces and implantation piece 1 upper surface.After implantation completes, due to the existence in this healing district, human bone cell can until filled, start bone tissue growth and obviously accelerate so rapidly to healing district growth inside, and the restore cycle shortens greatly.Because bone cell growth is filled annular healing district, its self-assembling formation to the encirclement of implant dental assembly and fastening, it is rooted among alveolar bone firmly, displacement is difficult for getting loose.Its healing effect obviously strengthens, and implant dental assembly and human body alveolar bone more become to combining together, uses more freely comfortable.This series of advantage, makes the plantation success rate of implant dental assembly of this structure apparently higher than traditional structure, and result of use after surgery also further strengthens, and patient chews more reliably freely.In addition, trapezoidal thread and rectangular thread have high-intensity feature, are arranged on the bulk strength that contributes to improve structure on implantation piece 1, strengthen its stress performance in use; Its angular thread has good self tapping, and the screw-in while being conducive to implant because its self-locking property is good, can improve the stability after implantation simultaneously well, and retention effect is better.Arranging of two kinds of helicitic textures can be learnt from other's strong points to offset one's weaknesses, and makes implantation process conveniently guarantee good mechanical property simultaneously, reaches optimum implantation effect, improved and has been implanted to power, promoted postoperative effective utilization.
Claims (9)
1. the simple and easy dental assembly of planting, is characterized in that: it is comprised of implantation piece (1) and retention means (2); Described implantation piece (1) adopts porous tantalum product, and its porosity is 60%～70%; Described implantation piece (1) inside is provided with groove (3), and this groove (3) lower side is provided with regular screw threads; The bottom of described retention means (2) is threaded rod (4), the regular screw threads corresponding matching of this threaded rod (4) and implantation piece (1) inner groovy (3) lower side; The top (5) of described retention means (2) is spindle shape, concaved circular cambered surface (7) in forming between its maximum gauge place (6) and described implantation piece (1) upper surface; Described implantation piece (1) middle part appearance is with trapezoidal thread (9) or rectangular thread, and bottom appearance is with angular thread (8).
2. the simple and easy dental assembly of planting as claimed in claim 1, is characterized in that: the top (5) of described retention means (2) is one-body molded with the threaded rod (4) of its underpart.
3. the simple and easy dental assembly of planting as claimed in claim 1 or 2, is characterized in that: the tooth form angle of the trapezoidal thread (9) of described implantation piece (1) middle part appearance is more than or equal to 90 °, is less than or equal to 135 °.
4. the simple and easy dental assembly of planting as claimed in claim 1 or 2, is characterized in that: the tooth form angle of the angular thread (8) of described implantation piece (1) bottom appearance is more than or equal to 30 °, is less than or equal to 80 °.
5. the simple and easy dental assembly of planting as claimed in claim 3, is characterized in that: the tooth form angle of the angular thread (8) of described implantation piece (1) bottom appearance is more than or equal to 30 °, is less than or equal to 80 °.
6. the simple and easy dental assembly of planting as claimed in claim 1 or 2, is characterized in that: the axial length ratio of the apparent trapezoidal thread of described implantation piece (1) (9) and angular thread (8) is more than or equal to 1.4, is less than or equal to 1.5.
7. the simple and easy dental assembly of planting as claimed in claim 3, is characterized in that: the axial length ratio of the apparent trapezoidal thread of described implantation piece (1) (9) and angular thread (8) is more than or equal to 1.4, is less than or equal to 1.5.
8. the simple and easy dental assembly of planting as claimed in claim 4, is characterized in that: the axial length ratio of the apparent trapezoidal thread of described implantation piece (1) (9) and angular thread (8) is more than or equal to 1.4, is less than or equal to 1.5.
9. the simple and easy dental assembly of planting as claimed in claim 5, is characterized in that: the axial length ratio of the apparent trapezoidal thread of described implantation piece (1) (9) and angular thread (8) is more than or equal to 1.4, is less than or equal to 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423735.0U CN203953856U (en) | 2014-07-30 | 2014-07-30 | A kind of simple and easy dental assembly of planting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423735.0U CN203953856U (en) | 2014-07-30 | 2014-07-30 | A kind of simple and easy dental assembly of planting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203953856U true CN203953856U (en) | 2014-11-26 |
Family
ID=51914500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420423735.0U Expired - Fee Related CN203953856U (en) | 2014-07-30 | 2014-07-30 | A kind of simple and easy dental assembly of planting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203953856U (en) |
-
2014
- 2014-07-30 CN CN201420423735.0U patent/CN203953856U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20200730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |