CN201399006Y - Artificial gums and roots - Google Patents
Artificial gums and roots Download PDFInfo
- Publication number
- CN201399006Y CN201399006Y CN2009200018071U CN200920001807U CN201399006Y CN 201399006 Y CN201399006 Y CN 201399006Y CN 2009200018071 U CN2009200018071 U CN 2009200018071U CN 200920001807 U CN200920001807 U CN 200920001807U CN 201399006 Y CN201399006 Y CN 201399006Y
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- artificial gum
- tooth
- tooth root
- artificial
- top surface
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 115
- 125000006850 spacer group Chemical group 0.000 claims 4
- 210000003781 tooth socket Anatomy 0.000 claims 4
- 238000013461 design Methods 0.000 description 13
- 230000001054 cortical effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 206010003694 Atrophy Diseases 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 9
- 230000037444 atrophy Effects 0.000 description 9
- 239000002639 bone cement Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 108010048734 sclerotin Proteins 0.000 description 6
- 230000001055 chewing effect Effects 0.000 description 5
- 230000001771 impaired effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 210000004195 gingiva Anatomy 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000933 neural crest Anatomy 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
- 240000007711 Peperomia pellucida Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 235000021059 hard food Nutrition 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Images
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- Dental Prosthetics (AREA)
Abstract
The utility model discloses an artificial teethridge and tooth root includes an artificial teethridge, has a top surface and a bottom surface, and top surface and bottom surface court are protruding with one side, and thickness is then gradually thin towards both sides by curved centre simultaneously, makes its section be in the middle of thick, the structure of both ends thin utensil mechanics conduction, and the top surface of artificial teethridge is equipped with a plurality of root of tooth of going up narrow width down, and the artificial teethridge bottom surface is unsmooth corresponding and closely together and is equipped with a plurality of spud piles with each point on alveolar bone surface.
Description
Technical field
This utility model relates to the structure of artificial tooth, particularly a kind ofly mean forced can be disperseed conduction, and by this stressed integrated formed structure of whole alveolar bone surface support, and is fixed on the artificial teethridge and the root of the tooth of alveolar bone and cortical bone.
Background technology
At present with regard to the different way of the many kinds of being equiped with of artificial tooth, way the earliest is directly artificial tooth to be arranged on the gingiva, though but the easy user of this way but has been easier to foreign body sensation, can not chew hard thing, and have and be difficult for fixing and cause shortcoming such as various focusing depths represented.
Another kind of way is an artificial tooth root, the just usual modal tooth of planting, this way is in many existing patent cases for example: United States Patent (USP) the 4359318th, 6322364,542847,6916177,5306149, all oneself has had detailed exposure to 6991463,3925892,4722687,4344757,4964801,6655962 or the like case.The problem of this kind way is that artificial tooth is only supporting by single foundation pile, and be again to be fixed on all lower spongy alveolar bone of density and hardness, so bearing capacity is relatively poor, and if alveolar bone seriously absorbs atrophy and causes the not enough person of dental bed height and the width, can not plant tooth, even plant also failure easily of tooth.And because problem such as torsion or shearing when chewing, also can cause and plant getting loose or alveolar bone impaired of body, pass through about about six months recovery time and just can refill and put artificial tooth essential behind the implantable artificial root of the tooth in addition, this is again another problem.
In addition, have a kind of with U type or saddle type, tool clad type structures such as cover type, or be provided with lip (lip), flange (flange), the artificial tooth root of shoulder shape thing auxiliary parts such as (shoulder), for example: United States Patent (USP) the 5906489th, 4702697,5052930,5513989,3579829,4121340,4379694,4531916,5201736,5759033,5944526, disclosed in 6287118 Chinese patent CN1537516 (200310101638.6) numbers or the like the cases, though this kind artificial tooth root has coating or the Aided Design that is different from single foundation pile, but overall structure all is to focus on the fixed problem, with the foundation pile is main stressed structure, stressed part concentrates on the below of foundation pile, the area of foundation pile is limited, therefore cause the stress surface of alveolar bone wide inadequately, so dispersion that can not strength is average is the problem that still has stressed inequality to damage easily.
Comprehensive above preceding case and most of implant structures of being peddled on the market at present, its way all only focuses on and how to fix, because the suffered pressure of artificial tooth when chewing, torsion and shearing can't be disperseed by conduction smoothly, so a powerful fixed form and a structure just must be arranged to be resisted with it, therefore, how the main structure emphasis of these preceding cases will plant firm and stable being fixed on the alveolar bone of body if all focusing on, and the overwhelming majority is fixed on looser spongy alveolar bone place, but not be fixed on comparatively closely knit, the part of hard alveolar bone cortical bone, the balance and the average dispersive problem of stressed and strength when such structure is not all noticed interlock do not notice that the dental bed part may be impaired or the situation of atrophy yet.
These preceding cases focus on the structure of single artificial tooth more.It is artificial tooth structures based on whole mouthful that disclosed structures of case before some are arranged in addition, for example: United States Patent (USP) the 4225668th, 4741698,4767328,5098296,6382975,6685473,6692254 and cases such as 7234940.All be that several single Zhi Rengong of device plant body on alveolar bone, connect these single Zhi Zhiti again, the device crossbeam is on gingiva, focus on of the support of the bridge formation made of a plurality of foundation pile of associating as the artificial tooth group, though these preceding cases have gmatjpdumamics to pass on and dispersive structural design, still supporting the whole interlock strength of organizing artificial tooth also by the minority foundation pile, has identical shortcoming with the foundation pile formula support of above-mentioned artificial tooth root, as be fixed on all lower spongy alveolar bone of density and hardness, so bearing capacity is relatively poor, and if alveolar bone seriously absorbs atrophy and causes the not enough person of dental bed height and the width, not implantable single Zhi Zhiti is even implant also failure easily.And because problem such as torsion or shearing when chewing, also can cause and plant getting loose or alveolar bone impaired of body, and essentially after body is planted in implantation pass through about about six months recovery time and just can refill and put artificial tooth.
In addition, though United States Patent (USP) the 2836890th is disclosed is that whole group is fixed in the alveolar bone surface, but its bottom of device there is no the design with the driving fit of alveolar bone concave-convex surface, cause the stressed high point when chewing to support easily, cause and protrude the impaired or atrophy of the high alveolar bone of putting and cause the failure that gets loose of this device by alveolar bone surface minority protrusions.And the non-integrated artificial tooth bearing structure of this device, be artificial tooth to be fixed on this device with screw, fragile structure and in the conduction of power, can not continuing, so that pressure, torsion and shearing during interlock easily make screw get loose.The most important thing is this structure and the gradually thin carrier in up-narrow and down-wide cylinder and thick middle both sides etc. of having no way of, mean forced can be disperseed the mechanical structure design of conduction, strength can't on average disperse conduction, with the bad stressed inequality of the conduction of endeavouring.
And for example United States Patent (USP) the 5906489th and 2006/0154205A1 case, though these two cases have the design of similar taper in the part of root of the tooth, it is isolating that but the last root of the tooth of these two cases and the spongy alveolar bone of beneath implantation are used for doing main stressed following root of the tooth, it is not integrally formed design, so fragile structure and in the conduction of power, can not continuing, and plant with aforementioned foundation pile formula that body is the same to have an identical shortcoming, as be fixed on the relatively poor spongy alveolar bone of bearing capacity, and be unsuitable for alveolar bone and seriously absorb atrophy, moreover these two preceding cases do not have the thick middle both sides to approach yet and mean forced can be disperseed the mechanical structure of conduction design, so effect is very poor in the conduction of power.
Also just like United States Patent (USP) the 4379694th case, though this case has disclosed the structure that arc rides on, but its main body is to be made of a metal plate (flat metal plate), thin grade the in taper root of the tooth and thick middle two ends can not disperse mean forced the mechanical structure of conduction to design, and because of not being integrally formed design, need the bolt screw to be provided with the head of screw thereon to accept bridge or artificial tooth, its structural design only is to promote fixed effect, so though its fixed effect is good, but power can't be done effective conduction and dispersion, and its structure also is fragile.
But the bottom that the most important thing is above-mentioned four preceding cases there is no corresponding with the alveolar bone concave-convex surface and driving fit design together, stressed can't be comprehensively and conduct to each point on alveolar bone surface fifty-fifty, all be to support by the height point that alveolar bone surface minority is protruded, cause stressed inequality, cause the impaired or atrophy of alveolar bone of protrusion, and further cause the failure that gets loose of this device.The mechanics support concept of four all non-employings " foundation mat " (Raft Foundation) in gross.This is because of obtaining accurate alveolar bone surface model technical difficulty height in early days, the product that is difficult to make and complete driving fit corresponding and is fixed thereon with the alveolar bone concave-convex surface, but 3D photography now and 3D image forming technique maturation, add computer numerical control (CNC) cutting or the like technology, make not difficult with the fine product of the alveolar bone complete concavo-convex driving fit mutually in surface, accomplish to bridge and driving fit in the alveolar bone surface, allow the gmatjpdumamics of artificial tooth see through this integrally formed mechanics conducting structure, conduct to each point on the cortical bone of alveolar bone, being supported by the hard alveolar bone cortical bone of structure fully is not very big problem comprehensively and fifty-fifty.For solving these problems, the applicant is the PCT invention case pro-that PCT/CN2007/000353 " is fixed on the artificial tooth carrier on alveolar bone surface " in having filed an application number before, but make product also be the research and development spirit of improving and innovation is new again for asking, also propose this case at this.
The utility model content
Main purpose of the present utility model is to provide that one group of support power is big, mean forced and stable artificial teethridge and root of the tooth.
For reaching above-mentioned purpose, this utility model design one structure has an end face and a bottom surface, this end face and bottom surface be projection in the same direction, make the section of this artificial teethridge form the thin shape in middle thicker both sides, a plurality of roots of the tooth and corresponding artificial tooth are set on this artificial teethridge again, so make stressed that artificial tooth bears when chewing, see through up-narrow and down-wide root of the tooth and thickness by the middle artificial teethridge that extends that gradually approaches toward both sides, down expansion disperses conduction, and this structure has the good mechanical conduction principle.
In addition, this structure bottom surface makes one according to the shape on alveolar bone surface and is concavo-convex corresponding with each point on alveolar bone surface, and fully driving fit together shape structure, make between artificial teethridge and alveolar bone without any the space, allow the stressed interface that sees through this concavo-convex driving fit of artificial tooth, put comprehensively and fifty-fifty and support by on the sturdy and hard alveolar bone cortical bone of structure each, this structure has the mechanics support concept of " foundation mat " on the architectonics (Raft Foundation), transmitted the strength of getting off with the whole group of the average carrying of each some artificial tooth on whole alveolar bone surface, replace traditional foundation pile formula basis with the foundation mat, its mean forced and stable.
In addition, for avoiding structure by making up such as various parts such as screws, the structure weakness of constituent part junction, the conduction of fragile structure and power is not continued and conduct bad, this utility model will be used as the pith of the conduction and the support of power, in conjunction with being designed to one-body molded structure, make into that one group of support power is big, mean forced, more stable and stronger and the good structure of strength conduction.
This utility model technology emphasis be each main claim (as described in first, 13,25,37 claim) all simultaneously or possess following three unexistent special constructions of preceding case individually:
The one, gradually approach the artificial teethridge that extends by up-narrow and down-wide root of the tooth and thickness towards both sides by the thicker centre of arc and form jointly, and the mechanics conducting structure that the average dispersion of stressed down expansion can be conducted; The 2nd, the bottom be provided with one with each point on alveolar bone surface, be concavo-convex corresponding and driving fit shape structure together, make the structure of the bottom surface tool mechanics support of this artificial teethridge and root of the tooth, see through the interface of the concavo-convex complete driving fit of this structure, allow the comprehensively stressed of all roots of the tooth and conduct to each point on alveolar bone surface fifty-fifty, replace foundation pile with the foundation mat and support stressed;
The 3rd, the structure that the structure of whole artificial teethridge and root of the tooth is formed in one does not have disassembled and causes fragile structure and bad part and the combination of strength conduction.
Above-mentioned three special constructions have simultaneously or the design that possesses individually, also can possess in twos respectively to be designed to other special construction.
This utility model is for to prop up artificial tooth root in conjunction with a plurality of lists, and is used for the one-body molded structure formed as the artificial teethridge of carrier, and scope comprises the artificial teethridge and the root of the tooth of whole mouthful or partial structurtes.
For explaining structure, feature and the effect of this utility model in detail, below now for seven embodiment and cooperate graphic being described as follows:
Description of drawings
Fig. 1 is the three-dimensional exploded view of first embodiment;
Fig. 2 is the sectional schematic diagram of first embodiment;
Fig. 3 is the sectional schematic diagram of second embodiment;
Fig. 4 is the sectional schematic diagram of the 3rd embodiment;
Fig. 5 is the sectional schematic diagram of the 4th embodiment;
Fig. 6 is the sectional schematic diagram of the 5th embodiment;
Fig. 7 is installed on another sectional schematic diagram of dental bed for this utility model;
Fig. 8 is the bottom view of the 6th embodiment artificial teethridge;
Fig. 9 is the sectional schematic diagram of the 7th embodiment.
Figure 10 is the bolting stake of the 5th and the 4th embodiment artificial teethridge.
The specific embodiment
To shown in Figure 2, first embodiment for this utility model includes as Fig. 1:
One artificial teethridge 10, its section cooperates the shape of human body maxillary portion or lower jaw portion and is crescent, and thickness is then by the thicker centre gradually thin extension towards both sides of arc simultaneously; This artificial teethridge 10 has an end face 11 and a bottom surface 12, its end face 11 is provided with a plurality of up-narrow and down-wide roots of the tooth 13, its bottom surface 12 is to make according to the shape on alveolar bone 5 surfaces, make its complete concavo-convex driving fit above alveolar bone 5, between the two without any the space, could allow stressed this mechanics conducting structure that sees through of root of the tooth, conduct to each point on the cortical bone (cortical bone) 4 of alveolar bone 5 comprehensively and fifty-fifty, alveolar bone 5 cortical bones 4 hard by structure support; These artificial teethridge 10 bottom surfaces 12 are provided with a plurality of guide piles 14.In the present embodiment, this guide pile surface is provided with horizontal or vertical burr 15, and the end of this guide pile is comparatively roomy and form a card division 16, and this guide pile 14 also can not established the card division and change to have the structure of other tool frictional force such as ring-type, point-like or dentation.
One tooth seat 20, cooperate artificial teethridge 10 to be arch, this tooth seat end face convexes with a plurality of posts 21 that hold, respectively holding can be for artificial tooth 30 is set on the post 21, and can be linked with artificial gums 31 between artificial tooth and the artificial tooth, to avoid it seems in appearance the nature that can seem, this tooth seat bottom surface then is provided with a plurality of appearances cave 22, in order to man-to-man to the root of the tooth 13 on should artificial teethridge 10.
First embodiment wants to be drilled with a plurality of locating holes in the precalculated position of alveolar bone earlier before installing artificial teethridge 10, inserts then can decomposing (biodegradable) and can be by bone cement (bone cement) from the replacement of body sclerotin, or other materials similar.Guide pile 14 footings 16 areas are bigger, and purpose is to be replaced as behind the body sclerotin in bone cement curing and bone cement decomposition, all can produce fixation, and it is loosening that guide pile 14 is difficult for, and this artificial teethridge 10 is fixed on the alveolar bone 5.Different from the pastly focus on fixed artificial tooth structure, the artificial teethridge 10 of this utility model rides on it with the surperficial driving fit of alveolar bone 5, the artificial tooth utilization hold post 21 with stressed by up-narrow and down-wide root of the tooth 13 and thick middle and toward both sides the gradually thin tool mechanics conducting structures such as artificial teethridge 10 that extend expand downwards and disperse conduction, and utilize artificial teethridge 10 bottom surfaces 12 to adopt the mechanics support concept of " foundation mat " on the architectonics, on average support artificial tooth by the whole surface of alveolar bone 5 cortical bones 4 and transmitted the strength of getting off, mean forced and area are wide, so it is firm and bearing capacity is bigger, can chew hard food, and then artificial tooth can be had and normal tooth identical functions, also, alveolar bone 5 is difficult for atrophy because of can bearing even and large-area pressure for a long time.
Because artificial teethridge 10 is to bridge on harder alveolar bone 5 cortical bones 4 of structure, not enough even if alveolar bone has absorbed atrophy to the dental bed width, or osteoporosis still can be implanted carrier and does artificial tooth.And because this utility model artificial teethridge 10 and the set-up mode of artificial tooth root 13 and in the past to plant tooth different, so can significantly shorten the time-histories of whole medical treatment, the artificial tooth group can be sheathed on this artificial teethridge 10 after about one all gingiva healings, needn't wait six months time again.
As shown in Figure 3, be second embodiment of the present utility model, primary structure is identical with first embodiment, difference is in this guide pile 14 and also adds a bolt 17, to promote the fixed effect of artificial teethridge and alveolar bone, the setting of this bolt need just not be provided with a bolt with respect to each guide pile, and this bolt can be provided with three or five mode can promote fixed effect.
As shown in Figure 4, be the 3rd embodiment of the present utility model, main structure is identical with last embodiment mostly, difference be in the guide pile 14 of this artificial teethridge be with guide pile in twos one group the bottom surface that is arranged at artificial teethridge 10 and strengthened fixingly with a bolt 17, but still can reach identical use effect with first embodiment.
Shown in Figure 5, be the 4th embodiment of the present utility model, main structure is similar to first embodiment, and difference is that the lower arcuate surface of this artificial teethridge 10 is not convexly equipped with guide pile 14, but comes as guide pile artificial teethridge to be locked in the end face of alveolar bone with a bolt.
Shown in Figure 6, be the 5th embodiment of the present utility model, identical with last embodiment, this artificial teethridge 10 is to come as guide pile 14 and be that bolt is fixed one group of both sides that are arranged in this artificial teethridge in twos with bolt equally, and this artificial teethridge is locked in alveolar bone.
Structure with this utility model the 5th embodiment, this artificial teethridge 10 is directly to be arranged at cortical bone 4 on the alveolar bone, but if alveolar bone seriously atrophy or osteoporosis, alveolar bone width and not enough highly, neural groove 3 are too near alveolar bone surface or the like situation, then look root of the tooth 13 height and degree of stability, behind the width of adjustment artificial teethridge 10 both sides of appropriateness, of the present utility modelly still can install, as shown in Figure 7, be different from and plant tooth in the past and can take place to install or may injure neural groove 3 or the like problem.
On each embodiment or some difference of taking off, but its basic essence is identical, all be to utilize gradually big gradually wide mechanics conducting structure characteristic, power is done effective dispersion conduction, with replace foundation pile with the foundation mat and support stressed mechanics supporting construction characteristic, and integrated sturdy and durable architectural characteristic is to reach mean forced, a big and stable purpose that is fixed on alveolar bone surface artificial dental bed and root of the tooth of support force.
Except that the structure of the various embodiments described above, for artificial teethridge 10 gingiva after installing can be restored fast, and obtain also complete and stable covered effect, can also disperse to be provided with a plurality of through holes 18 on this artificial teethridge, as shown in Figure 8, to increase the associativity of artificial teethridge and human body.
In addition, in order also to increase the fixed effect of artificial teethridge 10 after installation, the bottom surface of this artificial teethridge also can be arranged with the recess 19 of the little inner width of an opening, as shown in Figure 9, so can utilize special technique to grow in the recess 19 of this artificial teethridge 10, to increase the fixed effect of artificial teethridge after installing by the new sclerotin of alveolar bone.In addition, the surface of this root of the tooth 13 is provided with scrobicular ring 131, and the inboard that the tooth seat holds cave 22 then can correspondence be provided with bulge loop 211, mutually engaging.And the top at this root of the tooth can add a pad 40 again, with buffering during interlock the artificial tooth group act on the artificial tooth root strength.
Shown in Figure 10, be the bolt of the the of the present utility model the 5th and the 4th, the 7th embodiment, can have the circular bolt of card division for general bolt or, its end is flat and the spiral shell body is provided with a plurality of through holes 141 to form a card division.Installing this bolt purpose with card division is: insert bone cement at locating hole earlier before spiral shell is established artificial teethridge 10, solidified bone cement can decompose and is replaced as new sclerotin, also can not insert bone cement in addition and integrate the new sclerotin of generation via bone, the both sides of the terminal flat horizontal surface of bolt and the curing bone cement in the through hole or new sclerotin, all can become a card division and block this bolt, the generation fixation makes bolt be difficult for rotating and getting loose.
Claims (48)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200018071U CN201399006Y (en) | 2008-01-29 | 2009-01-07 | Artificial gums and roots |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810008791.7 | 2008-01-29 | ||
| CNA2008100087917A CN101496743A (en) | 2008-01-29 | 2008-01-29 | Artificial teethridge and tooth root |
| CN2009200018071U CN201399006Y (en) | 2008-01-29 | 2009-01-07 | Artificial gums and roots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201399006Y true CN201399006Y (en) | 2010-02-10 |
Family
ID=40944157
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100087917A Pending CN101496743A (en) | 2008-01-29 | 2008-01-29 | Artificial teethridge and tooth root |
| CN2009200018071U Expired - Fee Related CN201399006Y (en) | 2008-01-29 | 2009-01-07 | Artificial gums and roots |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100087917A Pending CN101496743A (en) | 2008-01-29 | 2008-01-29 | Artificial teethridge and tooth root |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101496743A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104414755A (en) * | 2013-08-26 | 2015-03-18 | 林泰武 | Detachable false tooth device and elastic clamp installed on detachable false tooth device |
| CN107007368A (en) * | 2016-01-27 | 2017-08-04 | 昱擎科技股份有限公司 | Adjustable saddle type dental implant |
| CN108836527A (en) * | 2018-04-26 | 2018-11-20 | 北京大华旺达科技有限公司 | A kind of positioning plate |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434327B (en) * | 2014-12-01 | 2017-10-10 | 马振华 | A kind of dental retainer devices and artificial tooth |
| CN104958115A (en) * | 2015-06-19 | 2015-10-07 | 深圳市康泰健牙科器材有限公司 | Implant prosthesis for restoration of partial or whole tooth loss and manufacturing method of implant prosthesis |
| WO2019069193A1 (en) * | 2017-10-04 | 2019-04-11 | 纪官谷 | Combined-type movable denture |
-
2008
- 2008-01-29 CN CNA2008100087917A patent/CN101496743A/en active Pending
-
2009
- 2009-01-07 CN CN2009200018071U patent/CN201399006Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104414755A (en) * | 2013-08-26 | 2015-03-18 | 林泰武 | Detachable false tooth device and elastic clamp installed on detachable false tooth device |
| CN107007368A (en) * | 2016-01-27 | 2017-08-04 | 昱擎科技股份有限公司 | Adjustable saddle type dental implant |
| CN108836527A (en) * | 2018-04-26 | 2018-11-20 | 北京大华旺达科技有限公司 | A kind of positioning plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101496743A (en) | 2009-08-05 |
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Granted publication date: 20100210 Termination date: 20120107 |