CN201370640Y - Modified implant root for tooth implantation - Google Patents
Modified implant root for tooth implantation Download PDFInfo
- Publication number
- CN201370640Y CN201370640Y CN200920003712U CN200920003712U CN201370640Y CN 201370640 Y CN201370640 Y CN 201370640Y CN 200920003712 U CN200920003712 U CN 200920003712U CN 200920003712 U CN200920003712 U CN 200920003712U CN 201370640 Y CN201370640 Y CN 201370640Y
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- helical form
- treated side
- form treated
- improvement type
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Abstract
The utility model relates to a modified implant root for tooth implantation. The coarse threaded part of the implant root is provided with at least two spiral processing surfaces from the lower end to the upper end in the vertical direction, each processing surface is treated through coarse processing and extends to the overall length of the coarse threaded part. For example, the processing surface can be treated through hydroxyapatite coating. With the areas of the coarse processing surfaces expanded, the bone implanted in the gum can grow rapidly to cover the implant root, thereby shortening the treatment course from the implantation of the implant root to the tooth brace.
Description
Technical field
This utility model refers to especially that about relating to the dental care field Improvement type of a Dental Implant is taken root.
Background technology
Oral cavity interplantation tooth technical development so far decades history.It is main earlier the tooth of sufferer is pulled out after, implant in the bone of sufferer dental bed with take root (the implant root) of a metallic article, treat that bone growth envelopes after this takes root, the device facing gets final product on taking root again.Its advantage is to exempt to grind dermal tooth support fixation facing separately, and artificial tooth biting force and the retain strength implanted all strengthen the inconvenience of minimizing sufferer and incompatibility.
Shown a kind of commonly used at present taking root on Fig. 1, it is made with pure titanium or titanium alloy metal material basically, and the top has the banded connecting portion 91 of base portion (abutment) with facing (crown), and the below then is sharp threaded portion 92.Between connecting portion 91 and threaded portion 92, the treated side 93 of a horizontal direction is arranged, its apatite hydroxide with similar people's bone material is covered, and is commonly referred to as Hydroxyapatite, and its composition is Ca
10(PO
4) (OH
2), also be called for short HA coating; The effect of this treated side 93 system can combine with the bone that increases, and makes and take root after implanting dental bed, waits for when bone growth is finished, take root can be firm the dental bed of imbedding, with convenient ensuing device facing.
Under this plantation root architecture,, help the bone growth ability relatively poor, and taking root of implanting is not firmer, remains to be improved because HA coating processing area is less.
In addition, at United States Patent (USP) 5,588, in the 838 preceding cases, it has disclosed a kind of holder that is used in the dental implant system, and it has the top of a bright appearance of taper shape.This taper shape light appearance provides the circumference sensing, forms little asperities, is preferably screw thread or pearl, and height and is preferably near 0.1mm between 0.02 to 0.20mm.In preferred embodiment, distance between adjacent screw thread or pearl, the summit is respectively near the height that doubles this screw thread or pearl to the summit.In its Fig. 1 and 2, also disclosed " this cut edge 4 and this chip are collected depression 3 function that allows to be spirally connected is spirally connected to be used as a kind of self tapping; in order to cut out new screw thread or to adjust the screw thread that has cut out organizationally " this notion, but chip wherein collect depression (chip-collecting cavities) 3 be one very the tangent plane of small size do not have coarse processing yet, institute provides growth bone organization space limited, and it is also limited just to increase the pull-out capacity of taking root.
Summary of the invention
This utility model purpose is, provide the Improvement type of a Dental Implant to take root, be primarily aimed at the shortcoming of the known structure of taking root and improved, make the area of coarse treated side increase to grow fast to coat and take root in order to bone, and because the volume-diminished of coarse-pitch thread portion, and make bone growth space increase in the dental bed; Because bone growth can engage with the coarse helical form treated side that vertical direction is extended, the steadiness behind the feasible implantation dental bed of taking root increases, and reduces the waiting time of waiting for the device facing.
According to above-mentioned purpose, the Improvement type of a Dental Implant is taken root, and is implanted in the dental bed bone of sufferer; It is characterized in that, comprising:
One is used for and the banded connecting portion of a facing base portion, and its appearance is a fine thread;
One coarse-pitch thread portion is located at above-mentioned connecting portion below, and the surface is sharp screw thread; And
At least two helical form treated side is located in the above-mentioned coarse-pitch thread portion and is vertically extended to the upper end from the lower end, and extends the whole length of this coarse-pitch thread portion, and with coarse processing.
Wherein, the approaching side of helical form treated side is the plane.
Wherein, the helical form treated side is the treated side that three isogonisms are arranged, and its approaching side is a cambered surface.
Wherein, the approaching side of helical form treated side is a helicoid.
Wherein, offer a polygonal locating hole on the connecting portion, and connect a screw again in this locating hole bottom; The polygon of this locating hole is matched with a combination section shape of above-mentioned base portion.
Wherein, the helical form treated side has three above isogonisms and arranges the helical form treated side, and this helical form treated side is located in the coarse-pitch thread portion and is vertically extended to the upper end from the lower end, and extends the whole length of this coarse-pitch thread portion, and to fine thread portion, and penetraction depth is bottom-up gradually shallow.
Wherein, the helical form treated side is the tangent plane on screw thread relatively, is formed with sharp-pointed blade with the position, screw thread boundary of thick or fine thread portion.
Coarse processing in this utility model can be to cover (hydroxyapatitecoating) with apatite hydroxide to handle.
Improvement type of planting tooth provided by the utility model is taken root, because the helical form treated side of coarse-pitch thread portion extends in vertical direction, is taking root when implanting dental bed, and shear force increases, and the bone bits in the dental bed can rest on treated side, and making takes root can enter in the bone smoothly.
Improvement type of planting tooth provided by the utility model is taken root, and wherein the approaching side of helical form treated side is the cambered surface or the helicoid of plane, indent, and then more increases the area of treated side and stop the space of bone bits.
According to this utility model, wherein the helical form treated side can be two or three, and the isogonism arranged distribution is extended in the vertical direction of taking root.
Below, structure of the present utility model will be described in detail according to the embodiment shown in the drawing and use effect.
Description of drawings
Fig. 1 represents the known outside drawing of taking root,
Fig. 2 represents the outside drawing of first kind of embodiment of this utility model,
Fig. 3 be among Fig. 2 along the AA cross section view,
Fig. 4 represents the outside drawing of second kind of embodiment of this utility model,
Fig. 5 be among Fig. 4 along the BB cross section view,
Fig. 6 is the front section view of Fig. 2, and the combination base portion,
Fig. 7 is the three-dimensional cutaway view of Fig. 2,
Fig. 8 represents the outside drawing of the third embodiment of this utility model,
Fig. 9 is the cutaway view of Fig. 8 along AA,
Figure 10 represents that this utility model is taken root and implants the sketch map of dental bed.
The specific embodiment
See also Fig. 2 and Fig. 3, be first kind of embodiment of the present utility model, 10 tops of wherein taking root are connecting portion 11, are fine thread in connecting portion 11 appearances, and the below then is a coarse-pitch thread portion 12.Connecting portion 11 links with the base portion (abutment) 6 of facing (crown), can be referring to shown in Figure 6; And coarse-pitch thread portion 12 surfaces are sharp screw thread, can implant in the dental bed of sufferer with rotation mode smoothly.
In coarse-pitch thread portion 12, two helical form treated sides 13 have vertically been extended to form, approaching side is plane and with coarse processing, for example cover (hydroxyapatite coating) with apatite hydroxide and handle, and this helical form treated side 13 extends whole coarse-pitch thread minister degree.In view of the above, except making the more known horizontal direction treated side of area of coarse helical form treated side 13 increase, grow fast to coat in order to bone and take root outside 10, because bone growth can engage with vertical side's coarse helical form treated side 13, steadiness behind the feasible 10 implantation dental beds of taking root increases, and reduces the waiting time of waiting for the device facing.The person of advancing because the helical form treated side 13 of coarse-pitch thread portion 12 extends in vertical direction, is taking root 10 when implanting dental beds, and the bone bits in the dental bed can rest on helical form treated side 13, and making takes root 10 can enter in the bone more smoothly.
Referring to Fig. 4 and Fig. 5, be the another kind of embodiment of this utility model, wherein taking root 20, to have connecting portion 21 appearances be fine thread, the below is a coarse-pitch thread portion 22; In coarse-pitch thread portion 22, vertically be formed with the helical form treated side 23 that three isogonisms are arranged, it is handled with HA coating, and each helical form treated side 23 approaching side is the cambered surface (referring to Fig. 5) of indent, more increases the area of treated side 23 and stops the space of bone bits.
Referring to Fig. 6 and Fig. 7, offer a polygonal locating hole 14 on the connecting portion 11 that this utility model is taken root, and connect a screw 15 again in locating hole 14 bottoms.Wherein the polygon of locating hole 14 cooperates combination section 61 shapes of base portion 6, make base portion 6 take root being combined at 10 o'clock, energy is correct positioning fast, and then the screw rod 62 that makes base portion 6 bottoms can be combined in 10 the screw 15 of taking root smoothly, to finish combination, when taking place correctly not locate, screw will lack very much and can't be locked in the hole, can avoid locating wrong situation generation fully.
Referring to Fig. 8 and Fig. 9, be another embodiment of this utility model, wherein taking root 30, to have connecting portion 31 appearances be fine thread, the below is a coarse-pitch thread portion 32; In coarse-pitch thread portion 32, vertically be formed with the helical form treated side 33 that three isogonisms are arranged.Helical form treated side 33 approaching sides are that helicoid can be referring to Fig. 9, be located in the coarse-pitch thread portion 32 and vertically extend to the upper end, and extend the whole length of this coarse-pitch thread portion 32 from the lower end, and to fine thread portion 31, and penetraction depth is bottom-up gradually shallow, in the locating hole of avoiding the center of cutting.
Referring to Fig. 9, helical form treated side 33 is with coarse processing.Each helical form treated side 33 is the tangent plane 33a on screw thread relatively, can form sharp-pointed blade 33b with the position, screw thread boundary of thick or fine thread portion 32 or 31, this will help can provide the function that is easy to cut bone when implanting the bone of sufferer dental bed, to planting tooth fast great effect be arranged.
See also Figure 10, when planting tooth fast, do not wait sufferer dental bed agomphosis position bone long flat, and directly on the dental bed of depression R, take root 30; At this moment, the screw threads of take root 30 thick or fine thread portion 32 or 31 have blade 33b, are easy to cut bone and make that take root 30 can vertically correct implantation.
The person of indicating only is this utility model preferred embodiment shown in the drawing, and as the simple and easy and equivalent variation of doing of foundation this utility model technological thought, for example increase of treated side or be difformity etc. still belongs among this utility model scope of patent protection.
Claims (7)
1. the Improvement type of a Dental Implant is taken root, and is implanted in the dental bed bone of sufferer; It is characterized in that, comprising:
One is used for and the banded connecting portion of a facing base portion, and its appearance is a fine thread;
One coarse-pitch thread portion is located at above-mentioned connecting portion below, and the surface is sharp screw thread; And
At least plural helical form treated side is located in the above-mentioned coarse-pitch thread portion and is vertically extended to the upper end from the lower end, and extends the whole length of this coarse-pitch thread portion, and with coarse processing.
2. take root according to the described Improvement type of planting tooth of claim 1, it is characterized in that, the approaching side of helical form treated side is the plane.
3. take root according to the described Improvement type of planting tooth of claim 1, it is characterized in that, the helical form treated side is the treated side that three isogonisms are arranged, and its approaching side is a cambered surface.
4. take root according to the described Improvement type of planting tooth of claim 1, it is characterized in that, the approaching side of helical form treated side is a helicoid.
5. take root according to the described Improvement type of planting tooth of claim 1, it is characterized in that, offer a polygonal locating hole on the connecting portion, and connect a screw again in this locating hole bottom; The polygon of this locating hole is matched with a combination section shape of above-mentioned base portion.
6. take root according to the described Improvement type of planting tooth of claim 1, it is characterized in that, the helical form treated side has three above isogonisms and arranges the helical form treated side, this helical form treated side is located in the coarse-pitch thread portion and is vertically extended to the upper end from the lower end, and extend the whole length of this coarse-pitch thread portion, and to fine thread portion, and penetraction depth is bottom-up gradually shallow.
7. take root according to the described Improvement type of planting tooth of claim 6, it is characterized in that the helical form treated side is the tangent plane on screw thread relatively, be formed with sharp-pointed blade with the position, screw thread boundary of thick or fine thread portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920003712U CN201370640Y (en) | 2009-01-22 | 2009-01-22 | Modified implant root for tooth implantation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920003712U CN201370640Y (en) | 2009-01-22 | 2009-01-22 | Modified implant root for tooth implantation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201370640Y true CN201370640Y (en) | 2009-12-30 |
Family
ID=41496720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920003712U Expired - Lifetime CN201370640Y (en) | 2009-01-22 | 2009-01-22 | Modified implant root for tooth implantation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201370640Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697570A (en) * | 2012-06-15 | 2012-10-03 | 西北有色金属研究院 | Dental implant |
| WO2022246736A1 (en) * | 2021-05-27 | 2022-12-01 | 何志忠 | Locking taper type strut |
-
2009
- 2009-01-22 CN CN200920003712U patent/CN201370640Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697570A (en) * | 2012-06-15 | 2012-10-03 | 西北有色金属研究院 | Dental implant |
| CN102697570B (en) * | 2012-06-15 | 2015-04-01 | 西北有色金属研究院 | Dental implant |
| WO2022246736A1 (en) * | 2021-05-27 | 2022-12-01 | 何志忠 | Locking taper type strut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091230 |
|
| CX01 | Expiry of patent term |