CN106037984A - Experimental simplified dental implant conducive to quantitative research of bone bonding quality - Google Patents
Experimental simplified dental implant conducive to quantitative research of bone bonding quality Download PDFInfo
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- CN106037984A CN106037984A CN201610554529.7A CN201610554529A CN106037984A CN 106037984 A CN106037984 A CN 106037984A CN 201610554529 A CN201610554529 A CN 201610554529A CN 106037984 A CN106037984 A CN 106037984A
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- synosteosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D5/00—Instruments for treating animals' teeth
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Abstract
The invention discloses an experimental simplified dental implant conducive to quantitative research of bone bonding quality. A head annular boss is integrally formed on the outer circumference of the upper end of a main body; three annular bosses, which are distributed in an equally spaced mode, are integrally formed on the column body of the main body, and the cross sections of the annular bosses are represented as isosceles trapezoids; three annular grooves that longitudinal sections are represented as isosceles trapezoids are formed between two bosses; notches of the annular grooves are wider than groove bottoms; and the lower end of the main body is a hemispherical body that an arc roof is located below. The dental implant disclosed by the invention is highly symmetrical, regular and simplified in structure and is easy for processing. With the design of the annular boss at the upper end, good biological sealing is provided for bond bonding on the body part; in comparison with the design of screw threads, the bosses and the annular grooves on the body part can avoid interference of the design of the screw threads on the implant to an unscrewing experimental result; and with the design of the three grooves, bonded bones, which grow in the grooves, are larger in volume, so that newly formed bones are imaged more clearly in imaging analysis, and such important indexes as a bone bonding rate and the like can be obtained more precisely through hard tissue slice analysis due to the computability of volumes in the grooves.
Description
Technical field
The present invention relates to a kind of implantation body, particularly relate to a kind of experiment letter being conducive to quantitative study synosteosis quality
Change tooth implant.
Background technology
Owing to the synestotic quality of tooth implant directly determines the success or failure of Implant, therefore the grinding of synosteosis quality
Studying carefully is the basic of tooth implant research.Now the experiment tooth implant for synosteosis research includes two kinds: one is excessively letter
The cylindricality implantation body without screw thread that changes (A type implantation body)；The another kind of cylindricality for the clinical tooth implant of imitation or root shape band spiral shell
The implantation body (Type B implantation body) of stricture of vagina.But there is problem below:
1, A type implantation body is the smooth implantation body without helicitic texture, it is impossible to demarcation implantation body is newly formed and combines bone
Scope, can only observe old ripe osseous tissue by hard tissue slicing and speculate the osseous tissue that bone regeneration around implant is newly formed, only
For evaluating the quality of Osseointegrated implants qualitatively.And bone regeneration around implant more long for observing time combines bone reaches maturity
Situation, it is more difficult to define implantation body to be studied and combine the scope of bone.Apply less under study for action.
2, Type B implantation body has thread-like structure, is wide variety of implantation body in current animal experiment study.But due to
The ditch of implantation body's screw thread is shallower and irregular, ties even if be also difficult to calculate implantation body's bone between implantation body's screw thread by hard tissue slicing
The amount closed, and radiological examination is also difficult to reconstruct by the highest Micro-CT of resolution and is preferably newly formed osseous tissue, because of
Less for the osseous tissue amount in this region, the quality that implantation body the most still can not combine bone carries out quantitative assessment accurately.
3, in the back-out experiment evaluating implantation body's adhesion, Type B implantation body is owing to designed screw thread itself is to plantation
Body screws out experiment and has mechanics interference, simultaneously because the specification that the screw thread of design is the most unified, the result of experiment is difficult to objective ratio
Relatively.
In sum, A B amphitypy implantation body is not the preferable plantation that tooth implant synosteosis quality is evaluated in zoopery
Body.
Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of being conducive to quantitatively
The experiment of research synosteosis quality is with simplifying tooth implant.
Technical solution of the present invention is as follows: a kind of experiment being conducive to quantitative study synosteosis quality simplifies tooth implant,
There is columned body, it is characterised in that: it is integrally formed head annular boss on the excircle held on the body, this head
The bottom surface of portion's annular boss is the conical surface, is integrally formed three body rings being arranged in order from top to bottom on the shaft of described body
Shape boss, the vertical section of this body annular boss is isosceles trapezoid, a body portion annular boss of the top and head convex annular
Forming annular groove between platform and between two adjacent body annular boss, the vertical section of described annular groove is isosceles trapezoid, and annular groove
Width of rebate is more than slot bottom width, and the bottom of described body is the hemisphere under arc withstands on, and this hemisphere is near bottom
One body portion annular boss.
The present invention has four annular boss and three annular grooves, and annular boss and annular groove interval are arranged, the work of each several part
With as follows:
The effect of head annular boss: 1) increase the thickness of cervical region and intensity, prevent in follow-up mechanical test, occur
Area of stress concentration (implantation body top) causes deformation and jackknifing；2) synosteosis to bottom ring band forms good closing work
With, it is allowed in bone union process interference-free.
The effect of body annular boss: 1) groove of formation rule between annular boss；2) body annular boss be
Osseointegrated implants initial stage and the direct contact area of surrounding bone, play a part " contact skeletonization " in bone union process；Simultaneously
The acquisition of primary stability when being conducive to implantation body to implant.
The advantage that body annular boss uses isosceles trapezoid: 1) structure height symmetry, rule, simplify, it is easy to processed；
2) annular groove of the isosceles trapezoidal structure of form rule is advantageously formed between the annular boss of isosceles；3) body boss uses isosceles ladder
Shape structure, upper and lower waist forms the angle that the degree of polymerization gathered to boss center is identical, can reduce boss structure itself to often as far as possible
With mechanics detection, as screwed out the impact of mechanical test institute dynamometry value, (the implant surface that is parallel to of back-out power detection is perpendicular to implant
Shearing force suffered by long axis direction, is the reflection the most direct and most important mechanical index of Osseointegrated implants intensity).
The size of three annular grooves, form are unified, corresponding, with the clinical cervical region of implantation body, body, tip the most respectively
The synosteosis district of implantation body is divided into accordingly cervical region, body, three, tip anatomic region.Synestotic cervical region is for intending implanting
The synosteosis that the cortical bone on top layer, site is formed with implantation body, tip is that the spongy bone intending implantation site deep is formed with implantation body
Synosteosis, body is then relevant with the sclerotin classification of jawbone, and a class bone is cortical bone, and four class bones are then spongy bone, such three rings
Corresponding three dissetion part of groove, are conducive to studying the cortical bone of implant neck and two kinds of sclerotin of spongy bone in deep respectively at bone
Effect in cohesive process.
The osseous tissue that the osseous tissue formed in annular groove is formed by another kind of synosteosis mechanism " distance skeletonization ", this machine
Make the synosteosis for implantation body to have great importance.The advantage that annular groove uses isosceles trapezoid design: 1) isosceles of annular groove ladder
Shape is that the waist of annular boss isosceles trapezoid directly constitutes, simple in construction, is beneficial to processing；2) annular groove of isosceles is only designed as three rings
Groove, it is ensured that a certain size implantation body's annular groove has bigger width and the degree of depth, it is ensured that the osseous tissue in annular groove also has
Bigger volume, is further ensured that the osseous tissue growing in annular groove has bigger base portion and has preferable blood supply, with development
For ripe osseous tissue；On the other hand, osseous tissue bigger in annular groove, be conducive to this district combine the iconography imaging of bone and divide
Analysis；3) annular groove of isosceles trapezoid design, is conducive to osseous tissue area (two-dimentional) and the calculating of volume (three-dimensional) growing in annular groove,
And it is follow-up such as the quantitative analysis of synosteosis important indicator bone contact ratio.
Bottom is the advantage of hemisphere structure: 1) end is little, is conducive to guiding the implantation of implantation body；2) surface is round and smooth, does not contains
Sharp corners, is conducive to the infringement that the important feature such as nervus vasculairs in protection implantation body's implantation position deep are not planted.
In order to the bone plane with implantation site is concordant, as preferably, the end face of described head annular boss is upper with body
Flush, the distance between two adjacent annular grooves is equal.
As preferably, three described annular grooves equal in magnitude.
Inner hexagonal hole is offered along its axial line on the top of described body, the upper surface of the through body of this inner hexagonal hole,
And the aperture, upper end of inner hexagonal hole is flaring structure.Above structure is easy to insert with hexagon workpiece rotate body in inner hexagonal hole
It is threaded in or out, simple to operate, laborsaving.
Described body is made up of pure titanium, and such Material texture is as clinic.Owing to pure titanium has good tissue compatible
Property, it is ensured that experimental implants can form good synosteosis；The material of pure titanium is compared titanium alloy and is more beneficial for implantation body's bone knot
The research closed, because pure titanium is fewer than other impurity contained by titanium alloy, will not form radioactive puppet in CT, Micro-CT check
Shadow and affect the image quality of osseous tissue to be analyzed and researched.
The invention has the beneficial effects as follows:
1, traditional screw thread planting body is compared by designed experiment Gou Ji shape implantation body, and structure height is symmetrical, rule, letter
Change, be prone to again processed.
2, implantation body is designed as the ditch (annular groove) of 3 rules and 4 ridges (annular boss), height up and down and on left and right directions
Symmetry, and corresponding with the bone anatomical structure of implantation site (cortical bone, spongy bone) respectively, be conducive to analyzing respectively cortical bone,
The synosteosis quality in spongy bone district.
3, ridge is unified for isosceles trapezoid shape structure, it is to avoid to the mechanics interference screwing out experimental result.
4, the ditch of implantation body's design is deeper and regular, the metering of bone amount of growing in being more beneficial for ditch.
5, the combination bone amount grown in ditch is much larger than the bone amount between screw thread planting body screw thread, and the bone grown into has containing blood
The ripe bone structure of pipe, is conducive to the histomorphometric analysis of two dimension, and it is apparent to be newly formed bone imaging during imaging Analysis, and three
It is the most accurate that dimension bone structure is analyzed.
6, high degree of symmetry on the ditch above-below direction of implantation body, compares the screw thread of screw thread planting body itself in screwing out experiment
It is more beneficial for reducing the mechanics influence to the power of back-out.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the present invention.
Fig. 2 is the sectional view of the present invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
As shown in Figure 1 and Figure 2, the beneficially experiment simplification tooth implant of quantitative study synosteosis quality has body 1,
This body 1 is cylindric, and is preferably made up of pure titanium.The excircle of body 1 upper end is integrally formed head annular boss 11,
The end face of this head annular boss 11 is concordant with the upper surface of body 1, and the section of head annular boss is right-angled trapezium.At body
Three body annular boss 12 being arranged in order from top to bottom, the vertical profile of this body annular boss 12 it is integrally formed on the shaft of 1
Face is isosceles trapezoid, body portion annular boss 12 body adjacent with the spacing of head annular boss 11 and two of the top
Distance between annular boss 12 is equal, and the external diameter of body annular boss 12 is the most equal with the external diameter of head annular boss 11.?
Annular groove 13 is formed between body annular boss 12 with head annular boss 11 and between two adjacent body annular boss 12, whole
There are on tooth implant four annular boss of three annular grooves.The vertical section of annular groove 13 is isosceles trapezoid, and the slot opening of annular groove 13
Degree is more than slot bottom width, and the concrete size of annular groove 13 determines according to actual needs.Distance between two adjacent annular grooves 13 is equal, and three
The size of individual annular groove 13 is the most equal.
As shown in Figure 1 and Figure 2, the bottom of body 1 is the hemisphere 14 under arc withstands on, and this hemisphere 14 is near bottom
A body portion annular boss 12.Offering inner hexagonal hole 15 on the top of body 1 along its axial line, this inner hexagonal hole 15 is through
The upper surface of body 1, and the aperture, upper end of inner hexagonal hole 15 is flaring structure.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technology in the art
Personnel are available by logical analysis, reasoning, or a limited experiment the most on the basis of existing technology
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (5)
1. be conducive to the experiment of quantitative study synosteosis quality with simplifying a tooth implant, there is columned body (1), its
It is characterised by: on the excircle of described body (1) upper end, be integrally formed head annular boss (11), this head annular boss
(11) bottom surface is the conical surface, is integrally formed three body annulars being arranged in order from top to bottom on the shaft of described body (1)
Boss (12), the vertical section of this body annular boss (12) is isosceles trapezoid, a body portion annular boss (12) of the top with
Annular groove (13) is formed between head annular boss (11) and between two adjacent body annular boss (12), described annular groove (13)
Vertical section is isosceles trapezoid, and the width of rebate of annular groove (13) is more than slot bottom width, and the bottom of described body (1) is that arc withstands on
Under hemisphere (14), this hemisphere (14) is near a body portion annular boss (12) of bottom.
2. the experiment simplification tooth implant being conducive to quantitative study synosteosis quality as claimed in claim 1, its feature exists
In: the end face of described head annular boss (11) is concordant with the upper surface of body (1), the distance phase between two adjacent annular grooves (13)
Deng.
3. the experiment simplification tooth implant being conducive to quantitative study synosteosis quality as claimed in claim 1, its feature exists
Equal in magnitude in: three described annular grooves (13).
4. the experiment simplification tooth implant being conducive to quantitative study synosteosis quality as described in claim 1 or 2 or 3, its
It is characterised by: offer inner hexagonal hole (15), through of this inner hexagonal hole (15) on the top of described body (1) along its axial line
The upper surface of body (1), and the aperture, upper end of inner hexagonal hole (15) is flaring structure.
5. the experiment simplification tooth implant being conducive to quantitative study synosteosis quality as claimed in claim 4, its feature exists
In: described body (1) is made up of pure titanium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610554529.7A CN106037984B (en) | 2016-07-14 | 2016-07-14 | A kind of experiment use for being conducive to quantitative study synosteosis quality simplifies tooth implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610554529.7A CN106037984B (en) | 2016-07-14 | 2016-07-14 | A kind of experiment use for being conducive to quantitative study synosteosis quality simplifies tooth implant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106037984A true CN106037984A (en) | 2016-10-26 |
| CN106037984B CN106037984B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610554529.7A Expired - Fee Related CN106037984B (en) | 2016-07-14 | 2016-07-14 | A kind of experiment use for being conducive to quantitative study synosteosis quality simplifies tooth implant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946652A (en) * | 2019-11-29 | 2020-04-03 | 北京工业大学 | Method and device for planning screw path of bone screw |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998034562A1 (en) * | 1997-02-11 | 1998-08-13 | Diro, Inc. | Improved dental and orthopedic implant system |
| CN1650814A (en) * | 2004-01-13 | 2005-08-10 | 奈伊公司 | Abutment of implant system |
| CN103271774A (en) * | 2013-06-07 | 2013-09-04 | 大连三生科技发展有限公司 | Micro screw implant |
| CN204293287U (en) * | 2014-12-08 | 2015-04-29 | 韩梅 | Matrix adjustable oral cavity planting body |
| CN205054473U (en) * | 2015-09-09 | 2016-03-02 | 周建明 | People work post implant body |
| CN206120496U (en) * | 2016-07-14 | 2017-04-26 | 重庆医科大学附属口腔医院 | Simplify tooth planting body for be favorable to quantitative research synosteosis quality experiments |
-
2016
- 2016-07-14 CN CN201610554529.7A patent/CN106037984B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998034562A1 (en) * | 1997-02-11 | 1998-08-13 | Diro, Inc. | Improved dental and orthopedic implant system |
| CN1650814A (en) * | 2004-01-13 | 2005-08-10 | 奈伊公司 | Abutment of implant system |
| CN103271774A (en) * | 2013-06-07 | 2013-09-04 | 大连三生科技发展有限公司 | Micro screw implant |
| CN204293287U (en) * | 2014-12-08 | 2015-04-29 | 韩梅 | Matrix adjustable oral cavity planting body |
| CN205054473U (en) * | 2015-09-09 | 2016-03-02 | 周建明 | People work post implant body |
| CN206120496U (en) * | 2016-07-14 | 2017-04-26 | 重庆医科大学附属口腔医院 | Simplify tooth planting body for be favorable to quantitative research synosteosis quality experiments |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946652A (en) * | 2019-11-29 | 2020-04-03 | 北京工业大学 | Method and device for planning screw path of bone screw |
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| Publication number | Publication date |
|---|---|
| CN106037984B (en) | 2017-10-17 |
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Granted publication date: 20171017 Termination date: 20180714 |