CN102697568B - Intend the polydonita root implantation body of nature root of the tooth - Google Patents
Intend the polydonita root implantation body of nature root of the tooth Download PDFInfo
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- CN102697568B CN102697568B CN201210180220.8A CN201210180220A CN102697568B CN 102697568 B CN102697568 B CN 102697568B CN 201210180220 A CN201210180220 A CN 201210180220A CN 102697568 B CN102697568 B CN 102697568B
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- 238000002513 implantation Methods 0.000 title claims abstract description 112
- 238000005452 bending Methods 0.000 claims abstract description 3
- 210000004877 mucosa Anatomy 0.000 claims description 41
- 230000007704 transition Effects 0.000 claims description 23
- 239000007943 implant Substances 0.000 claims description 18
- 210000004872 soft tissue Anatomy 0.000 claims description 8
- 230000010478 bone regeneration Effects 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 17
- 238000010586 diagram Methods 0.000 description 14
- 230000008439 repair process Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 3
- 239000004053 dental implant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000002449 bone cell Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 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
- 230000009772 tissue formation Effects 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
- 241000370649 Odontodes Species 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
- 230000003044 adaptive effect Effects 0.000 description 1
- 206010002583 anodontia Diseases 0.000 description 1
- 230000005212 anodontia Effects 0.000 description 1
- 230000024279 bone resorption Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 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
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Dental Prosthetics (AREA)
Abstract
Intend the polydonita root implantation body of nature root of the tooth, comprise the implantation body's root implanting dental bed and the abutment portion be connected with corona, 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, daughter root is bending in nature root of the tooth shape, between daughter root side by side; Collar covers daughter root completely overlooking on direction.The present invention has similar to natural root of the tooth, can be good at the advantage of the occlusion of simulating nature tooth and the characteristic of conductance.
Description
Technical field
The present invention relates to a kind of implantation body intending the polydonita root of nature root of the tooth.
Background technology
In the selection of anodontia repair mode, the repair mode of Dental implantion is more and more welcome.Compared with traditional repair mode, the repair mode of Dental implantion, has maintenance good, and the more traditional artificial tooth of masticatory efficiency is improved largely, beautiful and comfortable, and foreign sense does not damage the advantages such as the tooth closed on.
Traditional Dental implantion repair mode comprises following period: first need within 3 to 6 months, treat after exodontia, waits for knitting.Then, get out a hole with drill bit at original teeth socked place, a traditional screw-like or cylindric implantation body are implanted in the hole got out in advance.Finally, implantation body forms synosteosis after implanting some months, artificial teeth is fixed in implantation body by base station.This type of implantation body's major part is titanium alloy, is processed into screw-like or cylindric, then obtains through surface treatment.There is very big-difference in the shape of this implantation body and natural root of the tooth, can not the well occlusion of simulating nature tooth and the characteristic of conductance.
No. 201010514066.4, Chinese patent discloses a kind of bionic tooth implant, and its implantation body is made up of parent root and daughter root.Its implantation body's complex structure, the root structures with nature tooth has very big-difference, does not have round-corner transition at sharp-pointed place, causes stress to concentrate.Standby hole in operation on alveolar bone and the implantation of implantation body quite difficult, cannot accurately locate, and the wound caused is very large, the success rate of implantation body is greatly affected.
No. 2005/0130104A1, US Patent No. discloses a kind of manufacture method of tooth implant of personalization.The teeth socked stayed at alveolar bone after its implantation body lacks nature tooth according to patient completely simulates the shape of original natural tooth, manufacturing center makes corresponding tooth implant according to the shape of this natural tooth, carries out personalized customization to each different patient.This implantation methods for hole, is therefore only applicable to immediate implant without the need to the alveolus bone injury patient, and is only applicable to sclerotin condition very well, not or only have slight Cranial defect or the patient of bone resorption.In addition, the cost of the implantation body of this personalization is high, is not suitable for commercialization, promotes on a large scale.
Summary of the invention
For overcoming the above-mentioned shortcoming of prior art, the invention provides a kind of similar to natural root of the tooth, can be good at the occlusion of simulating nature tooth and the characteristic of conductance, the plan nature odontodes tooth root planting body of mass production can be carried out.
Intend the polydonita root implantation body of nature root of the tooth, comprise the implantation body's root implanting dental bed and the abutment portion be 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 daughter root is bending in nature root of the tooth shape; Collar covers daughter root completely overlooking on direction.
Further, the quantity of daughter root is 2-3, and, collar covers all daughter root completely overlooking on direction between daughter root side by side.
Further, abutment portion and implantation body's root one, abutment portion comprise the head end be connected with corona, outward extending shoulder and be connected with root wear mucosa portion, shoulder with wear mucosa portion and collar seamlessly transits, the soft tissue being convenient to bone regeneration around implant is formed and keeps good biology to close cuff, collar look up direction covers completely abutment portion wear mucosa portion.
Further, the cross section of shoulder is curved line trangle, and the outer end of shoulder is by arc transition, and wear mucosa portion and shoulder by arc transition, 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.
Or abutment portion and implantation body root are fixedly connected with by screw thread pair, the mucosa portion of wearing of abutment portion becomes turbination, and collar is provided with the conical surface suitable with wearing mucosa portion.
Further, abutment portion is connected with implantation body root abutment screw, and have through hole in abutment portion, conical surface lower end, collar portion offers the screwed hole suitable with abutment screw.
Further, the bottom of wearing mucosa portion is regular polygon, is the regular polygon suitable with wearing mucosa portion bottom the collar portion conical surface, and the regular polygon wearing mucosa portion coordinates with the regular polygon bottom the root conical surface and stops abutment portion to rotate; The limit number of regular polygon is more than or equal to 3.
Further, abutment portion head end and wear between mucosa portion and be provided with the outward extending shoulder of a circle, shoulder and corona are fitted, and shoulder and wearing between mucosa portion seamlessly transits.Shoulder and collar seamlessly transit the soft tissue being convenient to bone regeneration around implant and are formed and keep good biology to close cuff.
Further, the cross section of shoulder is curved line trangle, and the outer end of shoulder is by arc transition, and wear mucosa portion and shoulder by arc transition, 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-rotation structure stoping corona to rotate relative to abutment portion, and anti-choice structure is near shoulder, and anti-rotation structure is polygon plane, and this polygonal limit number is more than or equal to 3, and the base of anti-rotation structure is parallel with shoulder.
Further, the surface distributed that the surface of implantation body's root has micro-screw thread or an implantation body's root has micropore.Micro-screw thread on the surface of implantation body's root or micropore can promote attachment and the propagation of osteocyte, and the differentiation of accelerated bone cell is conducive to the attachment of wound healing and bone.
Technical conceive of the present invention is: made by implantation body's root of implantation body and intend nature root of the tooth shape, make implantation body similar to the shape of natural root of the tooth, thus can be good at occlusion and the force-transfer characteristic of simulating nature tooth, and its construction features allows to carry out mass production, and cost is low.
When adopting the implantation body intending nature root of the tooth to carry out implantation of tooth, first use and can determine that the implant angle of implantation body and the Dental Implant guiding die plate of the degree of depth lead, then on the alveolar bone of patient, prepare an implantation hole suitable with plan nature tooth implant to be implanted by piezosurgery osteotomy.Finally implant in implantation hole by implantation body, implantation body and implantation hole are interference fit, and the magnitude of interference is about 100 μm, ensure the primary stability of implantation body, thus implantation body are implanted securely in implantation hole.
Implantation body of the present invention has similar to natural root of the tooth, can be good at the advantage of the occlusion of simulating nature tooth and the characteristic of conductance, and can carry out mass production.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that corona is separated with implantation body
Fig. 2 has the abutment portion of 2 daughter root and implantation body's schematic diagram of root integral type.
The schematic diagram that Tu3Shi implantation body is connected with corona.
Fig. 4 is the schematic diagram of the implantation body that corona and abutment portion are adhesively fixed.
Fig. 5 has the abutment portion of 3 daughter root and implantation body's schematic diagram of root integral type.
Fig. 6 has 3 daughter root and implantation body's schematic perspective view of the abutment portion that is threaded with corona of abutment portion and root integral type
Fig. 7 has 3 daughter root and implantation body's schematic perspective view of the abutment portion abutment portion bonding with corona and root integral type.
Fig. 8 is the split type implantation body's schematic diagram of abutment portion and root.
Fig. 9 is the top view intending nature tooth implant; Wherein a intends the schematic diagram that nature tooth implant collar portion cross section profile is ellipse, and b intends the schematic diagram that nature tooth implant collar portion cross section profile is circle.
Figure 10 is the schematic diagram of the abutment portion of the split type implantation body of abutment portion and root.
Figure 11 is the schematic diagram of implantation body's root of the split type implantation body of abutment portion and root.
Figure 12 is the schematic diagram of the abutment screw connecting implantation body's root and abutment portion.
Figure 13 is the schematic diagram of the corona screw connecting corona and abutment portion.
Figure 14 is the schematic diagram of the closed screw for closed plan nature tooth implant root.
Figure 15 is the schematic diagram of the gingival former for the formation of soft tissue cuff.
Detailed description of the invention
Embodiment one
With reference to Fig. 1-7
Intend the polydonita root implantation body of nature root of the tooth, comprise the implantation body's root 1 implanting dental bed and the abutment portion 3 be 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 completely overlooking on direction.Daughter root 12 and collar 11 are implanted in alveolar bone, the part of collar 11 is by gingiva parcel and part is implanted in alveolus stock; Collar 11 is maximum with the cross section of alveolar bone intersection, implantation body's root 1 from collar 11 to daughter root 12 convergent, to ensure in the feasibility of alveolar bone for hole.Collar 11 cross section of intending nature tooth implant root can be oval, as Fig. 9 a, also can be circular, 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.Doctor, according to the actual needs of patient, selects two tooth root planting body or three tooth root planting bodies.
The surface of implantation body's root 1 has micro-screw thread, or the surface distributed of implantation body's root 1 has micropore, as shown in A in Fig. 2.Micro-screw thread on the surface of implantation body's root 1 or micropore can promote attachment and the propagation of osteocyte, and the differentiation of accelerated bone cell is conducive to the attachment of wound healing and bone.
Abutment portion 3 comprises abutment portion head end 331, wears mucosa portion 332 and shoulder 34, shoulder 34 is at abutment portion head end 331 and wear between mucosa portion 332, wear mucosa portion and refer to part through gingiva, the cross section of shoulder is curved line trangle, outer end is by arc transition, and so-called curved line trangle refers to that leg-of-mutton three angles are arc transition; Abutment portion head end 331 for connect or bonding corona 2, with shoulder 34 arc transition; Wearing mucosa portion 332 for connecting implantation body's root 1, with shoulder 34 by arc transition, making shoulder 34 and implantation body's collar 11 form circular sliding slopes, cover wear mucosa portion 332 completely looking up collar 11 on direction.Wear mucosa portion 332 be conducive to the soft tissue formation of bone regeneration around implant and keep good biology to close cuff.
Abutment portion 3 connects corona 2 by corona screw 23, and abutment portion 3 is provided with screwed hole 31, is provided with the screwed hole suitable with corona screw 23 in corona 2.The head of corona screw 23 is imbedded in corona 2.Screwed hole 31 is positioned at abutment portion 3 central authorities.As shown in Figure 2.Certainly, abutment portion 3 can also be fixedly connected with corona 2 by bonding mode, as shown in Figure 4.
Abutment portion 3 is provided with the anti-rotation structure 32 stoping corona 2 to rotate relative to abutment portion 3, and this anti-rotation structure 32 is plane, and the base of anti-rotation structure 32 is near shoulder 34.
Technical conceive of the present invention is: made by implantation body's root 1 of implantation body and intend nature root of the tooth shape, make implantation body similar to the shape of natural root of the tooth, thus can be good at occlusion and the force-transfer characteristic of simulating nature tooth, and its construction features allows to carry out mass production, and cost is low.
When using the present invention to carry out implantation of tooth, first select the implantation body being applicable to patient, and then for hole on the alveolar bone of patient, the root shape of this hole and implantation body is adaptive, finally by implantation body's patients with implantation alveolar bone.Implantation body's root of implantation body of the present invention is similar to the shape of natural root of the tooth, can be good at the mechanical characteristic of simulating nature tooth.Meanwhile, plan nature root of the tooth of the present invention becomes master pattern according to the root of the tooth design of normal tooth, can carry out mass production again, reduce production cost.
Embodiment two
With reference to Fig. 8-15
The difference of the 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 comprise the abutment portion head end 331 that connects corona 2 be connected implantation body's root 1 wear mucosa portion 332, wear mucosa portion 332 for inverted cone, collar 11 is provided with and the conical surface 111 wearing mucosa portion 332 adaptation, and the bottom of the conical surface 111 offers the screw 112 with abutment screw 36 adaptation.Abutment portion 3 and implantation body's root 1 are two independently accessories, easy to process.
The bottom of wearing mucosa portion 332 is regular polygon, bottom the conical surface 111 for and the regular polygon wearing mucosa portion 332 adaptation, the regular polygon wearing mucosa portion 332 coordinates with the regular polygon of the conical surface 111 and stops abutment portion 3 to rotate; The limit number of regular polygon is more than or equal to 3.
If bone condition is not fine after intending the implantation of nature implantation body, as bone has more defect, or sclerotin is partially soft directly can be screwed in collar portion 112 with the cover screw 40 of Figure 14, close 111, wait for that the gingival former 41 again cover screw 40 being changed into Figure 15 after bone and implantation body's combination are stablized is screwed in collar portion 112, gingival former outer surface 411 cooperatively interacts with collar portion 111 for conical, again gingival former is changed into abutment portion 3 and do last reparation after gingival former periphery formation soft tissue cuff.
Abutment portion head end 331 and wear between mucosa portion 332 and be provided with the outward extending shoulder 34 of a circle, shoulder 34 and corona 2 are fitted, shoulder 34 with wear mucosa portion 332 and seamlessly transit, collar 11 wears mucosa portion 332 looking up direction covers completely.The circular arc camber wearing mucosa portion 332 is convenient to the soft tissue formation of bone regeneration around implant and keeps good biology to close cuff.
The cross section of shoulder 34 is curved line trangle, and the outer end of shoulder 34 is by arc transition, and wear mucosa portion 332 with shoulder 34 by arc transition, abutment portion head end 331 and shoulder 34 pass through arc transition.So-called curved line trangle refers to that leg-of-mutton three angles are arc transition.
The technical conceive of the present embodiment is: when carrying out implantation of tooth, first by the alveolar bone of implantation body's root 1 patients with implantation, if abutment portion 3 can directly be fixed on implantation body's root 1 by dental implants stability very well that implant, finally corona 2 is fixed in abutment portion 3 and repairs; If the dental implants stability implanted is general, can be fixed on implantation body's root with gingival former 41, wait for that changing abutment portion 3 again into after bone and implantation body are combined repairs; Or bone condition very poor implantation body cannot obtain stability, can with closing screw 40 by implantation body's root neck closure, wait for that bone and implantation body carry out the shaping of soft tissue cuff with gingival former 41 after being combined again, be shaped good after again abutment portion 3 is fixed on implantation body's root, then corona 2 be fixed in abutment portion 3 repair.Implantation body's root 1 is separated with abutment portion 3 and the scope of application of the implantation body of plan nature tooth can be made wider.
Content described in this description embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.
Claims (10)
1. intend the polydonita root implantation body of nature root of the tooth, comprise the implantation body's root implanting dental bed and the abutment portion be 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 root of the tooth becomes master pattern according to the root of the tooth design of normal tooth, and the outline of collar and the outline of daughter root are the curve of continuously smooth, daughter root is bending in nature root of the tooth shape, between daughter root side by side; Collar covers daughter root completely overlooking on direction.
2. the as claimed in claim 1 polydonita root implantation body intending nature root of the tooth, is characterized in that: the quantity of daughter root is 2-3, and collar covers all daughter root completely overlooking on direction.
3. the polydonita root implantation body intending 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 comprise the head end be connected with corona, outward extending shoulder and be connected with root wear mucosa portion, shoulder with wear mucosa portion and collar seamlessly transits, the soft tissue being convenient to bone regeneration around implant is formed and keeps good biology to close cuff, collar look up direction covers completely abutment portion wear mucosa portion.
4. the as claimed in claim 3 polydonita root implantation body intending nature root of the tooth, is characterized in that: the cross section of shoulder is curved line trangle, and the outer end of shoulder is by arc transition, and wear mucosa portion and shoulder by arc transition, head end and the shoulder of abutment portion pass through arc transition.
5. the as claimed in claim 2 polydonita root implantation body intending nature root of the tooth, is characterized in that: abutment portion and implantation body root are fixedly connected with by screw thread pair, and mucosa portion of the wearing one-tenth turbination of abutment portion, collar is provided with the conical surface suitable with wearing mucosa portion.
6. the as claimed in claim 5 polydonita root implantation body intending nature root of the tooth, is characterized in that: abutment portion is connected with implantation body root abutment screw, and have through hole in abutment portion, conical surface lower end, collar portion offers the screwed hole suitable with abutment screw.
7. the polydonita root implantation body of the plan nature root of the tooth stated as claim 6, it is characterized in that: the bottom of wearing mucosa portion is regular polygon, be the regular polygon suitable with wearing mucosa portion bottom the collar portion conical surface, the regular polygon wearing mucosa portion coordinates with the regular polygon bottom the root conical surface and stops abutment portion to rotate; The limit number of regular polygon is more than or equal to 3.
8. the polydonita root implantation body of the plan nature root of the tooth as described in one of claim 5-7, is characterized in that: abutment portion head end and wear between mucosa portion and be provided with the outward extending shoulder of a circle, and shoulder and corona are fitted, and shoulder and wearing between mucosa portion seamlessly transits.
9. the as claimed in claim 8 polydonita root implantation body intending nature root of the tooth, is characterized in that: the cross section of shoulder is curved line trangle, and the outer end of shoulder is by arc transition, and wear mucosa portion and shoulder by arc transition, 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-rotation structure stoping corona to rotate relative to abutment portion, and anti-choice structure is near shoulder, and anti-rotation structure is polygon plane, and this polygonal limit number is more than or equal to 3, and the base of anti-rotation structure is parallel with shoulder.
10. the as claimed in claim 9 polydonita root implantation body intending nature root of the tooth, is characterized in that: the surface distributed that the surface of implantation body's root has micro-screw thread or implantation body's root has micropore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210180220.8A CN102697568B (en) | 2012-05-31 | 2012-05-31 | Intend the polydonita root implantation body of nature root of the tooth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210180220.8A CN102697568B (en) | 2012-05-31 | 2012-05-31 | Intend the polydonita root implantation body of nature root of the tooth |
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| CN102697568A CN102697568A (en) | 2012-10-03 |
| CN102697568B true CN102697568B (en) | 2016-01-20 |
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| CN201210180220.8A Active CN102697568B (en) | 2012-05-31 | 2012-05-31 | Intend the polydonita root implantation body of nature root of the tooth |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055593A (en) * | 2013-08-01 | 2014-09-24 | 广州中国科学院先进技术研究所 | Personalized dental implant |
| CN104055592B (en) * | 2013-08-01 | 2017-12-29 | 广州市健齿生物科技有限公司 | A kind of tooth implant and its 3D printing preparation method |
| KR101388846B1 (en) * | 2013-09-10 | 2014-04-23 | 왕제원 | One body implant |
| CN104794254A (en) * | 2014-01-22 | 2015-07-22 | 杨刚 | Gingival simulating implant and gingival planting simulating method thereof |
| CN104055595B (en) * | 2014-07-05 | 2017-10-31 | 南宁越洋科技有限公司 | A kind of method being surface-treated to implanting body of artificial tooth |
| CN106510870A (en) * | 2016-07-31 | 2017-03-22 | 南京浦翮医疗技术有限公司 | Personalized assembly type dental implant and implant tooth |
| CN109549725A (en) * | 2018-11-21 | 2019-04-02 | 邢文华 | The Immediate prosthesis of fixed denture |
| CN109758243B (en) * | 2019-02-13 | 2021-11-09 | 刘延山 | Sealing device for avoiding bone absorption at peripheral edge of dental implant |
| CN113208753A (en) * | 2021-05-18 | 2021-08-06 | 苏州新创诚医疗器械有限公司 | Dental multifunctional repairing base station |
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