CN202892117U - Natural tooth root-imitation multi-tooth root implant - Google Patents
Natural tooth root-imitation multi-tooth root implant Download PDFInfo
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- CN202892117U CN202892117U CN 201220261906 CN201220261906U CN202892117U CN 202892117 U CN202892117 U CN 202892117U CN 201220261906 CN201220261906 CN 201220261906 CN 201220261906 U CN201220261906 U CN 201220261906U CN 202892117 U CN202892117 U CN 202892117U
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- root
- implantation body
- abutment portion
- shoulder
- tooth
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- 239000007943 implant Substances 0.000 title claims abstract description 21
- 238000002513 implantation Methods 0.000 claims description 111
- 210000004877 mucosa Anatomy 0.000 claims description 41
- 230000007704 transition Effects 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 8
- 210000004872 soft tissue Anatomy 0.000 claims description 8
- 230000010478 bone regeneration Effects 0.000 claims description 5
- 230000009772 tissue formation Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 241001354243 Corona Species 0.000 description 23
- 210000000988 bone and bone Anatomy 0.000 description 18
- 230000008439 repair process Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000002449 bone cell Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004195 gingiva Anatomy 0.000 description 2
- 210000004409 osteocyte Anatomy 0.000 description 2
- 210000003456 pulmonary alveoli Anatomy 0.000 description 2
- 108010048734 sclerotin Proteins 0.000 description 2
- 230000029663 wound healing Effects 0.000 description 2
- 241001014327 Anodontia Species 0.000 description 1
- 208000006386 Bone Resorption Diseases 0.000 description 1
- 206010061363 Skeletal injury Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 206010002583 anodontia Diseases 0.000 description 1
- 230000005212 anodontia Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000024279 bone resorption Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000004053 dental implant Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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- Dental Prosthetics (AREA)
Abstract
The utility model discloses a natural tooth root-imitation multi-tooth root implant which comprises an implant root part implanted into a gum and a base platform part connected with a dental crown, wherein the implant root part comprises a root collar and sub-roots; the sub-root gradually contracts from the root collar to the root tip; the contour line of each sub-root is a smooth curve; the sub-root is bent in a natural tooth root shape; the sub-roots are arranged in parallel; and the root collar completely covers the sub-roots in an overlook direction. The natural tooth root-imitation multi-tooth root implant disclosed by the utility model has the advantages of similarity to natural tooth root and perfect characteristic in imitating the biting and conduction force of a natural tooth.
Description
Technical field
This utility model relates to a kind of polydonita root implantation body that intends the nature root of the tooth.
Background technology
In the selection of anodontia repair mode, the repair mode of tooth plantation is more and more welcome.Compare with traditional repair mode, the repair mode of tooth plantation has maintenance good, and the more traditional artificial tooth of masticatory efficiency is improved largely, and is beautiful and comfortable, and the foreign sense does not damage the advantages such as tooth of closing on.
Traditional tooth plantation repair mode comprises following period: at first need treatment in 3 to 6 months after the exodontia, wait for knitting.Then, get out a hole with drill bit at original exodontia nest place, a traditional screw-like or cylindric implantation body are implanted in the hole that gets out in advance.At last, implantation body forms synosteosis after implanting some months, and artificial artificial tooth is fixed in the implantation body by base station.This type of implantation body's major part is titanium alloy, is processed into screw-like or cylindric, obtains through surface treatment again.There is very big-difference in the shape of this implantation body and natural root of the tooth, well the characteristic of the interlock of simulating nature tooth and conductance.
Chinese patent has been announced a kind of bionic tooth implant No. 201010514066.4, and its implantation body is comprised of parent root and daughter root.Its implantation body's complex structure follows the root structures of nature tooth that very big-difference is arranged, and does not have round-corner transition at sharp-pointed place, causes stress concentration.Standby hole in the operation on alveolar bone and the implantation difficult of implantation body can't accurately be located, and the wound that causes is very large, and the success rate of implantation body is greatly affected.
US Patent No. 2005/0130104A1 number a kind of manufacture method of Extraordinary tooth implant is disclosed.Its implantation body lacks the shape that the exodontia nest that stays at alveolar bone behind the nature tooth is simulated original natural tooth according to the patient fully, manufacturing center makes corresponding tooth implant according to the shape of this nature tooth, and each different patient is carried out personalized customization.This implantation methods need not therefore to be only applicable at once plant in the standby hole of patient's alveolus bone injury, and is only applicable to the patient that the sclerotin condition is fine, do not have or only have the damaged or bone resorption of slight bone.In addition, the cost of this Extraordinary implantation body is high, is not suitable for commercialization, the large-scale popularization.
The utility model content
For overcoming the above-mentioned shortcoming of prior art, this utility model provides a kind of and natural root of the tooth similar, can be good at the interlock of simulating nature tooth and the characteristic of conductance, can carry out the polydonita root implantation body of the plan nature root of the tooth of mass production.
Intend the polydonita root implantation body of nature root of the tooth, comprise implantation body's root of implanting dental bed and the abutment portion that is connected with corona, it is characterized in that: implantation body's root comprises collar and daughter root, daughter root is from collar to tip of a root convergent, the contour line of each daughter root is level and smooth curve, and the daughter root bending is nature root of the tooth shape; Collar covers daughter root fully overlooking on the direction.
Further, the quantity of daughter root is 2-3, and side by side, collar covers all daughter root fully overlooking on the direction between the daughter root.
Further, abutment portion and implantation body's root one, abutment portion comprises the head end that is connected with corona, outward extending annular shoulder and the mucosa section of wearing that is connected with root, shoulder with wear mucosa section and collar seamlessly transits, be convenient to the soft tissue formation of bone regeneration around implant and keep good biology sealing cuff, collar is being looked up the mucosa section of wearing that covers abutment portion on the direction fully.
Further, the cross section of shoulder is curved line trangle, and mucosa section and shoulder are worn by arc transition by arc transition in the outer end of shoulder, and head end and the shoulder of abutment portion pass through arc transition.So-called curved line trangle refers to that leg-of-mutton three angles are arc transition.
Perhaps, abutment portion and implantation body root are fixedly connected with by screw thread pair, and the mucosa section of wearing of abutment portion becomes turbination, and collar is provided with the conical surface suitable with wearing mucosa section.
Further, abutment portion is connected with abutment screw with the implantation body root, has through hole in the abutment portion, and collar section conical surface lower end offers the screwed hole suitable with abutment screw.
Further, the bottom of wearing mucosa section is regular polygon, and collar section conical surface bottom is the regular polygon suitable with wearing mucosa section, and the regular polygon of wearing mucosa section cooperates with the regular polygon of root conical surface bottom and stops the abutment portion rotation; The limit number of regular polygon is more than or equal to 3.
Further, abutment portion head end and wearing is provided with the outward extending shoulder of a circle between the mucosa section, shoulder and corona applying, and shoulder and wearing between the mucosa section seamlessly transits.Shoulder and collar seamlessly transit the soft tissue formation of being convenient to bone regeneration around implant and keep good biology sealing cuff.
Further, the cross section of shoulder is curved line trangle, and mucosa section and shoulder are worn by arc transition by arc transition in the outer end of shoulder, and abutment portion head end and shoulder pass through arc transition.So-called curved line trangle refers to that leg-of-mutton three angles are arc transition.
Further, the head end of abutment portion is provided with internal thread hole, the screw engagement of internal thread hole and corona.
Further, the side of abutment portion head end is provided with the anti-rotational structure that stops the relative abutment portion rotation of corona, and anti-choice structure is near shoulder, and anti-rotational structure is polygon plane, and this polygonal limit number is more than or equal to 3, and the base of anti-rotational structure is parallel with shoulder.
Further, the surface distributed of the surface of implantation body's root with little screw thread or implantation body's root has micropore.Little screw thread on the surface of implantation body's root or micropore can promote adhering to of osteocyte and breed, and the differentiation of accelerated bone cell is conducive to adhering to of wound healing and bone.
Technical conceive of the present utility model is: implantation body's root of implantation body is made intended nature root of the tooth shape, make implantation body similar to the shape of natural root of the tooth, thereby can be good at interlock and the force-transfer characteristic of simulating nature tooth, and its construction features allows to carry out mass production, cost is low.
When adopting the implantation body that intends the nature root of the tooth to carry out implantation of tooth, use first and can determine that the implant angle of implantation body and the Dental Implant guiding die plate of the degree of depth lead, again by piezosurgery osteotomy in the suitable implantation hole of one of patient's alveolar bone preparation and plan nature tooth implant to be implanted.At last implantation body is implanted in the implantation hole, implantation body and implantation hole are interference fit, and the magnitude of interference is about 100 μ m, guarantee the primary stability of implantation body, thereby implantation body is implanted in the implantation hole securely.
Implantation body of the present utility model has similar to natural root of the tooth, can be good at the advantage of the characteristic of the interlock of simulating nature tooth and conductance, and can carry out mass production.
Description of drawings
Fig. 1 is the sketch map that corona separates with implantation body.
Fig. 2 is the implantation body's sketch map with abutment portion and root integral type of 2 daughter root.
Fig. 2 A is the A section enlarged drawing of Fig. 2.
Fig. 3 is the sketch map that implantation body is connected with corona.
Fig. 4 is the sketch map of the implantation body that is adhesively fixed of corona and abutment portion.
Fig. 5 is the implantation body's sketch map with abutment portion and root integral type of 3 daughter root.
Fig. 6 has abutment portion that 3 daughter root and abutment portion be threaded with corona and implantation body's schematic perspective view of root integral type
Fig. 7 is the implantation body's schematic perspective view with the bonding abutment portion of 3 daughter root and abutment portion and corona and root integral type.
Fig. 8 is the split type implantation body's sketch map of abutment portion and root.
Fig. 9 a is that plan nature tooth implant collar section cross section profile is oval-shaped sketch map.
Fig. 9 b intends nature tooth implant collar section cross section profile to be circular sketch map.
Figure 10 is the sketch map of the abutment portion of abutment portion and the split type implantation body of root.
Figure 11 is the sketch map of implantation body's root of abutment portion and the split type implantation body of root.
Figure 12 is the sketch map that connects the abutment screw of implantation body's root and abutment portion.
Figure 13 is the sketch map that connects the corona screw of corona and abutment portion.
Figure 14 is the sketch map of intending the sealing screw of nature tooth implant root for sealing.
Figure 15 is the sketch map that is used to form the gingival former of soft tissue cuff.
The specific embodiment
Embodiment one
With reference to Fig. 1-7
Intend the polydonita root implantation body of nature root of the tooth, comprise implantation body's root 1 of implanting dental bed and the abutment portion 3 that is connected with corona 2, implantation body's root 1 comprises collar 11 and daughter root 12, the quantity of daughter root 12 is 2-3, daughter root 12 is from collar 11 to tip of a root convergent, and the contour line of each daughter root 12 is level and smooth curve; Collar 11 covers all daughter root 12 fully overlooking on the direction.Daughter root 12 and collar 11 are implanted in the alveolar bone, the part of collar 11 is implanted in the alveolus thigh by gingiva parcel and part; Collar 11 is maximum with the cross section of alveolar bone intersection, and implantation body's root 1 is 12 convergents from collar 11 to daughter root, to guarantee the feasibility in the standby hole of alveolar bone.Collar 11 cross sections of intending nature tooth implant root can be oval, such as Fig. 9 a, also can be circular, such as Fig. 9 b.Implantation body is solid.
The quantity of daughter root 12 can be 2, as shown in Figure 1.The quantity of daughter root 12 also can be 3, as shown in Figure 5.The doctor selects two tooth root planting bodies or three tooth root planting bodies according to patient's actual needs.
The surface of implantation body's root 1 has little screw thread, and perhaps the surface distributed of implantation body's root 1 has micropore, shown in Fig. 2 A.Little screw thread on the surface of implantation body's root 1 or micropore can promote adhering to of osteocyte and breed, and the differentiation of accelerated bone cell is conducive to adhering to of wound healing and bone.
Technical conceive of the present utility model is: implantation body's root 1 of implantation body is made intended nature root of the tooth shape, make implantation body similar to the shape of natural root of the tooth, thereby can be good at interlock and the force-transfer characteristic of simulating nature tooth, and its construction features allows to carry out mass production, cost is low.
When using this utility model to carry out implantation of tooth, select to be fit to first patient's implantation body, and then on patient's alveolar bone standby hole, the root shape of this hole and implantation body is adaptive, at last with in implantation body's patients with implantation alveolar bone.Implantation body's root of implantation body of the present utility model is similar to the shape of natural root of the tooth, can be good at the mechanical characteristic of simulating nature tooth.Simultaneously, plan nature root of the tooth of the present utility model is designed to master pattern according to the root of the tooth of normal tooth, can carry out mass production again, reduces production costs.
Embodiment two
With reference to Fig. 8-15
The difference of present embodiment and embodiment one is: abutment portion 3 and implantation body's root 1 be two independently individual, abutment portion 3 is fixedly connected with by abutment screw 36 with implantation body root 1.All the other structures are all identical with embodiment one.
Concrete structure is as follows: abutment portion 3 is fixedly connected with by abutment screw 36 with implantation body root 1, abutment portion 3 comprises the abutment portion head end 331 that connects corona 2 and the mucosa section 332 of wearing that is connected implantation body's root 1, wear mucosa section 332 and be inverted cone, collar 11 is provided with the conical surface 111 adaptive with wearing mucosa section 332, and the bottom of the conical surface 111 offers the screw 112 adaptive with abutment screw 36.Abutment portion 3 is two independently accessories with implantation body's root 1, and is easy to process.
The bottom of wearing mucosa section 332 is regular polygon, and the conical surface 111 bottoms are the regular polygon adaptive with wearing mucosa section 332, and the regular polygon of wearing mucosa section 332 cooperates prevention abutment portion 3 to rotate with the regular polygon of the conical surface 111; The limit number of regular polygon is more than or equal to 3.
If it is not fine intending the rear bone condition of nature implantation body implantation, have more damaged such as bone, or sclerotin is partially soft can directly to be screwed to the cover screw 40 of Figure 14 in the collar section 112, close 111, wait for that bone and implantation body are screwed in the collar section 112 in conjunction with the gingival former 41 that again cover screw 40 is changed into Figure 15 after stable, gingival former outer surface 411 cooperatively interacts with collar section 111 for conical, again gingival former is changed into abutment portion 3 and do last reparation after the gingival former periphery forms the soft tissue cuff.
Abutment portion head end 331 and wearing is provided with the outward extending shoulder 34 of a circle between the mucosa section 332, shoulder 34 is fitted with corona 2, shoulder 34 with wear mucosa section 332 and seamlessly transit, collar 11 covers the mucosa section 332 of wearing fully looking up on the direction.The circular arc camber of wearing mucosa section 332 is convenient to the soft tissue formation of bone regeneration around implant and is kept good biology sealing cuff.
The cross section of shoulder 34 is curved line trangle, and the outer end of shoulder 34 is worn mucosa section 332 and passed through arc transition with shoulder 34 by arc transition, and abutment portion head end 331 passes through arc transition with shoulder 34.So-called curved line trangle refers to that leg-of-mutton three angles are arc transition.
The technical conceive of present embodiment is: when carrying out implantation of tooth, first in the alveolar bone with implantation body's root 1 patients with implantation, if fine can directly abutment portion 3 being fixed on implantation body's root 1 of the implantation body that implants stability is fixed on corona 2 on the abutment portion 3 at last and repairs; If the implantation body that implants stability is general, can be fixed on implantation body's root with gingival former 41, wait for that changing abutment portion 3 into after bone and implantation body are combined repairs again; Or the very poor implantation body of bone condition can't obtain stability, can collar section of implantation body be sealed with sealing screw 40, wait for that carrying out the soft tissue cuff with gingival former 41 again after bone and implantation body are combined is shaped, again abutment portion 3 is fixed on implantation body's root after being shaped well, corona 2 is fixed on the abutment portion 3 repairs again.Implantation body's root 1 separates with abutment portion 3 can make the scope of application of the implantation body that intends the nature tooth wider.
The described content of this description embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to this utility model in those skilled in the art.
Claims (10)
1. intend the polydonita root implantation body of nature root of the tooth, comprise implantation body's root of implanting dental bed and the abutment portion that is connected with corona, it is characterized in that: implantation body's root comprises collar and daughter root, daughter root is from collar to tip of a root convergent, the contour line of each daughter root is level and smooth curve, the daughter root bending is nature root of the tooth shape, and is arranged side by side between the daughter root; Collar covers daughter root fully overlooking on the direction.
2. the polydonita root implantation body of plan nature root of the tooth as claimed in claim 1 is characterized in that: the quantity of daughter root is 2-3, and collar covers all daughter root fully overlooking on the direction.
3. the polydonita root implantation body of plan nature root of the tooth as claimed in claim 2, it is characterized in that: abutment portion and implantation body's root one, abutment portion comprises the head end that is connected with corona, outward extending annular shoulder and the mucosa section of wearing that is connected with root, shoulder with wear mucosa section and collar seamlessly transits, be convenient to the soft tissue formation of bone regeneration around implant and keep good biology sealing cuff, collar is being looked up the mucosa section of wearing that covers abutment portion on the direction fully.
4. the polydonita root implantation body of plan nature root of the tooth as claimed in claim 3, it is characterized in that: the cross section of shoulder is curved line trangle, and mucosa section and shoulder are worn by arc transition by arc transition in the outer end of shoulder, and head end and the shoulder of abutment portion pass through arc transition.
5. the polydonita root implantation body of plan nature root of the tooth as claimed in claim 2 is characterized in that: abutment portion and implantation body root are fixedly connected with by screw thread pair, and the mucosa section of wearing of abutment portion becomes turbination, and collar is provided with the conical surface suitable with wearing mucosa section.
6. the polydonita root implantation body of plan nature root of the tooth as claimed in claim 5 is characterized in that: abutment portion is connected with abutment screw with the implantation body root, has through hole in the abutment portion, and collar section conical surface lower end offers the screwed hole suitable with abutment screw.
7. the polydonita root implantation body of plan nature root of the tooth as claimed in claim 6, it is characterized in that: the bottom of wearing mucosa section is regular polygon, collar section conical surface bottom is the regular polygon suitable with wearing mucosa section, and the regular polygon of wearing mucosa section cooperates with the regular polygon of root conical surface bottom and stops the abutment portion rotation; The limit number of regular polygon is more than or equal to 3.
8. such as the polydonita root implantation body of the described plan nature of one of claim 5-7 root of the tooth, it is characterized in that: abutment portion head end and wearing is provided with the outward extending shoulder of a circle between the mucosa section, shoulder and corona applying, and shoulder and wearing between the mucosa section seamlessly transits.
9. the polydonita root implantation body of plan nature root of the tooth as claimed in claim 8, it is characterized in that: the cross section of shoulder is curved line trangle, and mucosa section and shoulder are worn by arc transition by arc transition in the outer end of shoulder, and abutment portion head end and shoulder pass through arc transition;
The head end of abutment portion is provided with internal thread hole, the screw engagement of internal thread hole and corona;
The side of abutment portion head end is provided with the anti-rotational structure that stops the relative abutment portion rotation of corona, and anti-choice structure is near shoulder, and anti-rotational structure is polygon plane, and this polygonal limit number is more than or equal to 3, and the base of anti-rotational structure is parallel with shoulder.
10. the polydonita root implantation body of plan nature root of the tooth as claimed in claim 9, it is characterized in that: the surface distributed that the surface of implantation body's root has little screw thread or implantation body's root has micropore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261906 CN202892117U (en) | 2012-05-31 | 2012-05-31 | Natural tooth root-imitation multi-tooth root implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261906 CN202892117U (en) | 2012-05-31 | 2012-05-31 | Natural tooth root-imitation multi-tooth root implant |
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| Publication Number | Publication Date |
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| CN202892117U true CN202892117U (en) | 2013-04-24 |
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| CN 201220261906 Expired - Fee Related CN202892117U (en) | 2012-05-31 | 2012-05-31 | Natural tooth root-imitation multi-tooth root implant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697568A (en) * | 2012-05-31 | 2012-10-03 | 浙江工业大学 | Multi-tooth-root implant for simulating natural tooth root |
| CN106667597A (en) * | 2016-12-27 | 2017-05-17 | 中国人民解放军第三军医大学第附属医院 | Metal-ceramic oral implant |
| CN106667598A (en) * | 2016-12-27 | 2017-05-17 | 中国人民解放军第三军医大学第附属医院 | Metal reinforced ceramic oral planting body |
| CN107485460A (en) * | 2017-09-25 | 2017-12-19 | 南方医科大学 | A kind of 3D printing method of the more root of the tooth planting bodies of personalized porous layer |
| CN111432747A (en) * | 2017-11-07 | 2020-07-17 | 新世纪医疗技术有限公司 | One-piece dental implant |
-
2012
- 2012-05-31 CN CN 201220261906 patent/CN202892117U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697568A (en) * | 2012-05-31 | 2012-10-03 | 浙江工业大学 | Multi-tooth-root implant for simulating natural tooth root |
| CN106667597A (en) * | 2016-12-27 | 2017-05-17 | 中国人民解放军第三军医大学第附属医院 | Metal-ceramic oral implant |
| CN106667598A (en) * | 2016-12-27 | 2017-05-17 | 中国人民解放军第三军医大学第附属医院 | Metal reinforced ceramic oral planting body |
| CN106667597B (en) * | 2016-12-27 | 2019-12-27 | 中国人民解放军第三军医大学第一附属医院 | Metal-ceramic oral implant |
| CN106667598B (en) * | 2016-12-27 | 2020-01-10 | 中国人民解放军第三军医大学第一附属医院 | Metal reinforced ceramic oral implant |
| CN107485460A (en) * | 2017-09-25 | 2017-12-19 | 南方医科大学 | A kind of 3D printing method of the more root of the tooth planting bodies of personalized porous layer |
| CN111432747A (en) * | 2017-11-07 | 2020-07-17 | 新世纪医疗技术有限公司 | One-piece dental implant |
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Granted publication date: 20130424 Termination date: 20160531 |