CN105997278B - A kind of self-locking artificial tooth and its self-locking method - Google Patents
A kind of self-locking artificial tooth and its self-locking method Download PDFInfo
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- CN105997278B CN105997278B CN201610274027.9A CN201610274027A CN105997278B CN 105997278 B CN105997278 B CN 105997278B CN 201610274027 A CN201610274027 A CN 201610274027A CN 105997278 B CN105997278 B CN 105997278B
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- threaded rod
- planting body
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- artificial tooth
- locking
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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
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0037—Details of the shape
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- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention discloses self-locking artificial tooth and its self-locking methods, the planting body including artificial tooth and the threaded rod being mounted in it；Planting body inside diameter gradually becomes smaller from top to bottom, and inner section is in up big and down small inverted cone form, and multiple bulge-structures are distributed on the wall surface of outer wall；Planting body lower part offers four to six fine cracks along its axial direction, and the lower part of tube structure is cut into four to six flaps that can radially extend expansion by fine crack；When threaded rod is screwed into tube structure from top to bottom, the flap of tube structure lower part radial outward expansion under the squeezing action of threaded rod expands, and makes planting body entirety outer profile in up-small and down-big positive cone structure.The present invention can be such that planting body is easier in implantation alveolar bone, planting body expansion self-locking is fixed in alveolar bone by the precession of threaded rod, and forces the protrusion insertion alveolar bone surrounding of surface random distribution, effectively prevents the rotation of planting body, structure is relatively easy, and using effect is good.
Description
Technical field
The present invention relates to a kind of artificial tooth more particularly to a kind of self-locking artificial tooths and its self-locking method.
Background technique
Implant tooth is the common treatment means of current treatment agomphosis, mainly by the metal with bio-compatible
Artificial tooth root is implanted into the alveolar bone at agomphosis, by the brought close of artificial tooth root and alveolar bone, using artificial tooth root as base
Seat replacement teeth mould.Due to grinding off neighbouring tooth unlike stationarity artificial tooth, because the damage of adjacent teeth may be not present, do not have yet
There is secondary decayed tooth factor, therefore is the method more stable than stationarity artificial tooth.People uses in more teeth of missing
It in the case where removable denture, can exert a force to periodontium (gum), thus gum can have a sense of discomfort, and big due to artificial tooth
It is small, so that intraoral foreign body sensation is serious, but since tooth-implanting and tooth have basically same structure, thus will not feel completely
To the pain and foreign body sensation of gum, so that the quality of life of patients can be improved and bring satisfaction.
However traditional dental implant selects screw thread implantation, implant is the metal parts of entity, with natural tooth
Root no matter internal structure or composition on suffer from very big difference, especially whole hardness strength etc. is just the same,
Alveolar bone adaptability to patient is caused tremendous influence by this.The implantation of screw-type can cause surrounding socket bone tissue huge
Extruding force is easy to produce stress concentration phenomenon, and surface is comparatively smooth, is unfavorable for the quick apposition growth of osteocyte, sternly
It will lead to the atrophy of alveolar bone when weight.And although the screw-in of screw can play certain fastening effect, also can be into one
Step damage alveolar bone.In addition, there is also connect not firm enough, easily loosening after plantation between artificial tooth mostly for existing canine implant
It falls off, anti-knob ability is poor, poor etc. with the connectivity and biocompatibility of body bone tissue.
Summary of the invention
The shortcomings that it is an object of the invention to overcome the above-mentioned prior art and deficiency, provide that a kind of structure is simple, connection jail
Solid self-locking artificial tooth and its self-locking method.Tooth body will be planted by realizing closely connect with alveolar bone.
The present invention is achieved through the following technical solutions:
A kind of self-locking artificial tooth, planting body 1 including artificial tooth and the threaded rod 2 being mounted in it；The planting body 1 is one
Tube structure, inside diameter gradually become smaller from top to bottom, and inner section is in up big and down small inverted cone form, and internal perisporium is
Internal thread structure 6, and multiple bulge-structures 4 are distributed on the wall surface of outer wall；It is opened along its axial direction the lower part of tube structure
Equipped with the fine crack 3 that four to six notch are formed, the lower part of tube structure is cut into four to six by fine crack 3 can radially extend expansion
Flap 5；The length of the fine crack 3 is the half of tube structure axial length or more.
The threaded rod 2 is to wait radiuses cylindrical structure, and the outer spiral shell to match with the internal screw thread of tube structure is arranged at its lower part
Line structure；
The rounding cone angle of the tube structure inner section is 4 °~5 °, and the reversed cone angle of outer cross section is 1 °~3 °.
When threaded rod 2 is screwed into tube structure from top to bottom, the extruding of the flap 5 of tube structure lower part in threaded rod 2
Lower radial outward expansion expansion is acted on, makes the whole outer profile of planting body 1 in up-small and down-big positive cone structure；The positive cone knot
The out conductor inclination angle of structure is 1 °~2 °.
4 rule of bulge-structure is randomly distributed on the wall surface of tube structure outer wall.
The bulge-structure 4 is any one in raised spherical structure, honeycomb structure, coral structures or eight rib body structures
Kind or their combination.
The end of the threaded rod 2 offers internal screw thread mounting hole 23, for connecting with external artificial tooth ontology.
The wall surface of the 2 end outer perimeter wall of threaded rod is symmetrical eight-sided formation.
It include four symmetrical facets 21 and big plane 22 in the eight-sided formation；Facet 21 and big 22 phase of plane
Mutually staggeredly；Big plane 22 is the installation base station of external artificial tooth ontology, clamping face when facet 21 is rotary screwing thread bar 2.
The material of the planting body 1 and threaded rod 2 is titanium alloy material.
Planting body 1 is a tube structure under original state, and inside diameter gradually becomes smaller from top to bottom, and inner section is presented
Small inverted cone form under big；Threaded rod 2 is screwed in planting body 1 from top to bottom, since threaded rod 2 is upper inferior radius cylinder
Body structure, under the continuous squeezing action of threaded rod 2, flap 5 is radially outward constantly extended along fine crack 3, is expanded, at this point, with
Threaded rod 2 constantly move down, making 1 outer profile of planting body is gradually in up-small and down-big positive cone structure；When the lower end of threaded rod 2
When face is displaced downwardly to concordant with the lower end surface of planting body 1, the reversed cone angle of 1 outer cross section of planting body is 3 °, is realized swollen with alveolar bone
It is swollen, self-locking.
The present invention compared with the existing technology, have following advantages and effects
Planting body of the present invention is a tube structure, and inside diameter gradually becomes smaller from top to bottom, under inner section is presented greatly
Small inverted cone form, and internal perisporium is internal thread structure, and multiple bulge-structures are distributed on the wall surface of outer wall；Cylinder knot
The lower part of structure offers the fine crack of four to six notch formation along its axial direction, and the lower part of tube structure is cut into four by fine crack
The flap of expansion can be radially extended to six；Threaded rod is equal radiuses cylindrical structure, its lower part have in tube structure
The external thread structure that screw thread matches；When threaded rod is screwed into tube structure from top to bottom, the flap of tube structure lower part is in spiral shell
Radial outward expansion expands under the squeezing action of rasp bar, makes planting body entirety outer profile in up-small and down-big positive cone structure；This
Kind structure forms expansion self-locking principle, is not only simple in structure, easy for installation convenient, and can firmly be planted in alveolar bone
In, it effectively prevents the loosening of planting body, fall off.
Planting body reset condition of the invention is designed as tapered to taper downwards, only slightly firmly can need to directly plant
It is simple and convenient and easily operated compared with traditional approach into the aperture of alveolar bone, and reduce the damage to patient's alveolar bone
It loses.
Surface of the present invention is equipped with random or regular distribution protrusion, and planting body dilatancy rear projection is inlaid into alveolar bone
In, compared with traditional screw-type planting body, that is, it can guarantee the connectivity robustness of planting body and alveolar bone, and have just compared with highly resistance
The ability of reverse rotation.
Detailed description of the invention
Fig. 1 is planting body planar structure schematic diagram of the present invention.
Fig. 2 is Fig. 1 planting body structural schematic diagram.
Fig. 3 is A-A the schematic diagram of the section structure in Fig. 1.
Fig. 4 is threaded rod schematic perspective view of the present invention.
Fig. 5 is the structural schematic diagram after planting body of the present invention and threaded rod assembly.
Fig. 6 is B-B structural schematic diagram in Fig. 5.
Specific embodiment
The present invention is more specifically described in detail combined with specific embodiments below.
Embodiment
As shown in Figures 1 to 6.The invention discloses a kind of self-locking artificial tooths, the planting body 1 including artificial tooth and are mounted in it
Threaded rod 2；The planting body 1 is a tube structure, and inside diameter gradually becomes smaller from top to bottom, under inner section is presented greatly
Small inverted cone form (is melted and molded technique using selective laser, is the form inside contracted by Design of Screw Thread, subtract downwards to be formed
The inverted conical shape of contracting.), and internal perisporium is internal thread structure 6, and multiple bulge-structures 4 are distributed on the wall surface of outer wall；Cylinder
The lower part of structure offers the fine crack 3 of four to six notch formation along its axial direction, and fine crack 3 cuts the lower part of tube structure
Cheng Sizhi six can radially extend the flap 5 of expansion；Inverted cone form can make 1 body of plantation can under without larger external force
It plants into pre-set kind of plant hole of alveolar bone.
The top of the planting body 1 and the outer rim of bottom end are equipped with chamfering structure, can concentrate to avoid stress, are conducive to fix
Plantation.
The threaded rod 2 is upper inferior radius cylindrical structure, and middle part is solid construction, its lower part has and tube structure
Internal screw thread match external thread structure.
The wall thickness of the tube structure is from top to bottom gradually increased；The rounding cone angle of the tube structure inner section is 4 °~5 °
The reversed cone angle of (either 3.5 ° perhaps 4.5 °) outer cross section is 1 °~3 ° (or 2.5 °).
The length of the fine crack 3 is the half of tube structure axial length or more.When threaded rod 2 is screwed into from top to bottom
When in tube structure, the flap 5 of tube structure lower part radial outward expansion under the squeezing action of threaded rod 2 expands, and makes to plant
The whole outer profile of body 1 is in up-small and down-big positive cone structure；The out conductor inclination angle of the positive cone structure be 1 °~2 ° (or
1.5°).The top of tube structure due to no fine crack, no deformation and keep reset condition.
4 rule of bulge-structure is randomly distributed on the wall surface of tube structure outer wall.
The bulge-structure 4 is any one in raised spherical structure, honeycomb structure, coral structures or eight rib body structures
Kind or their combination.
The end of the threaded rod 2 offers internal screw thread mounting hole 23, for planting base station (external artificial tooth sheet with the later period
Body) connection.
The wall surface of the 2 end outer perimeter wall of threaded rod is symmetrical eight-sided formation.
It include four symmetrical facets 21 and big plane 22 in the eight-sided formation；Facet 21 and big 22 phase of plane
Mutually staggeredly；Big plane 22 is the installation base station of external artificial tooth ontology, clamping face when facet 21 is rotary screwing thread bar 2.
The material of the planting body 1 and threaded rod 2 is titanium alloy material.
When planting body 1 is implanted into (not shown) in alveolar bone, due to the rounding wimble structure of planting body 1, this process is only needed
It slightly can firmly be pressed into alveolar bone, avoid the shortcomings that conventional screw formula needs high-torque.Threaded rod 2 is threaded into
In the internal screw thread of planting body 1, with the screw-in of threaded rod 2, planting body top is remained unchanged, but lower part starts gradually to extending out
Greatly, while fine crack 3 starts to become larger.After plantation, 1 lower expansion of planting body, top is constant, is formed as downward cumulative positive cone
Shape structure, bevel angle are 2 °.The screw-in of threaded rod 2 is so that 1 internal screw thread of planting body becomes upper inferior radius form, with threaded rod
2 just exactly match.The lower end surface of planting body 1 is concordant with 2 lower end surface of threaded rod at this time, small below the big plane 22 of threaded rod 2
Platform 22-1 is higher by 1 upper surface of planting body, is used for subsequent installation base station and corona.
After the completion of plantation, planting body 1 is under the screw-in of threaded rod 2, and the lower part of planting body 1 is squeezed expansion, formation
Positive round wimble structure, so that planting body 1 is firmly fixed in alveolar bone, and the bulge-structure 4 of implant surface is in expansive force
In the lower insertion indent bone of effect, the connection of planting body and alveolar bone is further strengthened, while it is random or regular distribution convex
It plays structure 4 and effectively hinders the rotation of planting body, to substantially increase the success rate of planting body.
As described above, the present invention can be better realized.
Embodiment of the present invention are not limited by the above embodiments, other are any without departing from Spirit Essence of the invention
With changes, modifications, substitutions, combinations, simplifications made under principle, equivalent substitute mode should be, be included in of the invention
Within protection scope.
Claims (8)
1. a kind of self-locking artificial tooth, it is characterised in that: planting body (1) including artificial tooth and the threaded rod (2) being mounted in it；
The planting body (1) is a tube structure, and inside diameter gradually becomes smaller from top to bottom, and inner section is in up big and down small
Inverted cone form, and internal perisporium is internal thread structure (6), and multiple bulge-structures (4) are distributed on the wall surface of outer wall；Cylinder
The lower part of structure offers the fine crack (3) of four to six notch formation along its axial direction, and fine crack (3) is by the lower part of tube structure
It is cut into four to six flaps (5) that can radially extend expansion；
The threaded rod (2) is to wait radiuses cylindrical structure, and the external screw thread to match with the internal screw thread of tube structure is arranged at its lower part
Structure；
The wall thickness of the tube structure is from top to bottom gradually increased；The rounding cone angle of the tube structure inner section is 4 °~5 °, outside
The reversed cone angle in portion section is 1 °~3 °；
The wall surface of threaded rod (2) end outer perimeter wall is symmetrical eight-sided formation；It include four in the eight-sided formation
A symmetrical facet (21) and big plane (22)；Facet (21) and big plane (22) are interlaced；Big plane (22) is outer
The installation base station of portion's artificial tooth ontology, clamping face when facet (21) is rotary screwing thread bar (2).
2. self-locking artificial tooth according to claim 1, it is characterised in that: when threaded rod (2) is screwed into tube structure from top to bottom
When interior, the flap (5) of tube structure lower part radial outward expansion under the squeezing action of threaded rod (2) expands, and makes planting body (1)
Whole outer profile is in up-small and down-big positive cone structure；The out conductor inclination angle of the positive cone structure is 1 °~2 °.
3. self-locking artificial tooth according to claim 2, it is characterised in that: bulge-structure (4) rule is randomly divided
Cloth is on the wall surface of tube structure outer wall；The length of the fine crack (3) is the half of tube structure axial length or more.
4. self-locking artificial tooth according to claim 3, it is characterised in that: the bulge-structure (4) is raised spherical structure, bee
Any one in Nest architecture, coral structures or eight rib body structures or their combination.
5. according to claim 1 to self-locking artificial tooth described in any one of 4, it is characterised in that: open the end of the threaded rod (2)
Equipped with internal screw thread mounting hole (23), for being connect with external artificial tooth ontology.
6. self-locking artificial tooth according to claim 1, it is characterised in that: the top of the planting body (1) and the outer rim of bottom end
It is equipped with chamfering structure.
7. self-locking artificial tooth according to claim 1, it is characterised in that: the material of the planting body (1) and threaded rod (2) is
Titanium alloy material.
8. the self-locking method of self-locking artificial tooth described in any one of claims 1 to 7, it is characterised in that include the following steps:
Planting body (1) is a tube structure under original state, and inside diameter gradually becomes smaller from top to bottom, and inner section is presented greatly
Under small inverted cone form；Threaded rod (2) is screwed in from top to bottom in planting body (1), since threaded rod (2) are upper inferior radius
Cylindrical structure, under the continuous squeezing action of threaded rod (2), flap (5) radially outward constantly extends along fine crack (3), is swollen
It is swollen, at this point, making planting body (1) outer profile is gradually in up-small and down-big positive cone structure as threaded rod (2) constantly moves down；
When the lower end surface of threaded rod (2) is displaced downwardly to it is concordant with the lower end surface of planting body (1) when, the reversed cone angle of planting body (1) outer cross section
It is 3 °, realizes and the expansion of alveolar bone, self-locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610274027.9A CN105997278B (en) | 2016-04-28 | 2016-04-28 | A kind of self-locking artificial tooth and its self-locking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610274027.9A CN105997278B (en) | 2016-04-28 | 2016-04-28 | A kind of self-locking artificial tooth and its self-locking method |
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| Publication Number | Publication Date |
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| CN105997278A CN105997278A (en) | 2016-10-12 |
| CN105997278B true CN105997278B (en) | 2018-12-14 |
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| CN201610274027.9A Active CN105997278B (en) | 2016-04-28 | 2016-04-28 | A kind of self-locking artificial tooth and its self-locking method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112944658B (en) * | 2021-03-05 | 2022-09-06 | 青岛海尔空调器有限总公司 | Air conditioner base and cabinet air conditioner |
| CN114848187B (en) * | 2022-04-13 | 2024-03-26 | 山东恒泰医疗器械有限公司 | Immediate repair type dental implant |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19517459C2 (en) * | 1995-05-12 | 2000-03-30 | Ernst Bauer | Jaw implant |
| CN101690679B (en) * | 2009-07-28 | 2011-11-09 | 中国人民解放军第四军医大学 | Expanded tooth implant |
| CN102846388B (en) * | 2012-09-29 | 2015-01-07 | 淄博昌国口腔种植技术研究院 | Plug-type retention structure of implant abutment |
| CN203988444U (en) * | 2014-07-30 | 2014-12-10 | 重庆润泽医药有限公司 | A kind of steady type Dental Implant |
| CN205698075U (en) * | 2016-04-28 | 2016-11-23 | 华南理工大学 | A kind of self-locking artificial tooth |
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