CN101366664B - Hollow short grow body of oral cavity tooth grow - Google Patents
Hollow short grow body of oral cavity tooth grow Download PDFInfo
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- CN101366664B CN101366664B CN2008101511263A CN200810151126A CN101366664B CN 101366664 B CN101366664 B CN 101366664B CN 2008101511263 A CN2008101511263 A CN 2008101511263A CN 200810151126 A CN200810151126 A CN 200810151126A CN 101366664 B CN101366664 B CN 101366664B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/0075—Implant heads specially designed for receiving an upper structure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0022—Self-screwing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
- A61C8/0037—Details of the shape
- A61C8/0039—Details of the shape in the form of hollow cylinder with an open bottom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
- A61C8/0078—Connecting the upper structure to the implant, e.g. bridging bars with platform switching, i.e. platform between implant and abutment
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a hollow short implant of a dental implant, which comprises an one-stage structure and a two-stage structure, wherein the one-stage implant part is connected with an abutment part into a whole; the two-stage structure comprises an implant, a bridge adapter ring and a central bolt; peripheral cylinder spirochaeta of the implant part is divided into three stages, saw-tooth double thread in the main part of the implant can bear heavier load; the hollow structural design of the implant part keeps live bone column with a base and blood supply so as to enhance the supporting strength of the bone and the implant; a self-tapping socket can make bone tissue of the internal and external of the implant grow through and heal; a platform transfer design allows the epithelial cuff of the gum around the implant more reliable to avoid bone resorption caused by micro moving and micro leakage. The short hollow implant realizes combination of the internal and external bone, increases the combination area and supporting strength for a short or a long term, can be implanted rapidly with high strength, better retention in the early stage, high success rate in a long term, and solves the problem that the upper and lower jaws abrase the dental area in the conventional oral implant technology.
Description
Technical field
The invention belongs to tooth-planting tooth technical field, relate to a kind of have implant quick, synosteosis intensity height, the tooth-planting tooth hollow of maintenance is lacked implantation body in early days.
Background technology
The Dental Implant in oral cavity is planted the artificial tooth root of body as the denture retention device, has been widely used in the repairing and treating that the single tooth in oral cavity is damaged, the part tooth is damaged and dental pattern lacks.But, a lot of patients have been subjected to the restriction of factors such as alveolar bone bone quantity not sufficient or chamber, hole, neurocele in clinical position, the problem that solves the bone quantity not sufficient adopts the method for bone grafting operation to increase the height of bone usually, but, also have the more a lot of patients of consideration of the longer expense of bone grafting process time also to be difficult to accept because also there is the risk of self in bone grafting operation itself.Adopt the short implantation body of implantation length can avoid risk and the expense of bringing because of bone grafting operation.
Both at home and abroad to surplus the basis of short implantation body and the clinical research existing ten year, usually the implantation body less than 7mm is called short implantation body in the world, reparation and the low patient of maxillary sinus that short implantation body is applied to defect of maxilla have remarkable advantages than the general planting body.Tuncelli (1997) etc. use FInite Element, have compared ITI hollow circuit cylinder two-part implantation body different-diameter (3.5mm, 4.5mm, 6mm) stress distribution.Found that: relatively large diameter implantation body more helps the stress distribution of lower jaw Background Region.Zhang Shaofeng [19] such as (1997) with finite Element Method Study implantation body's length and diameter to plantation complete denture stress influence, reach a conclusion: size and implantation body's length of bone regeneration around implant bone interface stress are closely related, are negative correlativing relation.A lot of scholars propose the shortest length of implantation body should be less than below the 7mm, and diameter can increase, and purpose is the bonded area that increases with osseous tissue.Frandsen PA, Christoffersen H, people such as Madsen T. just confirmed in 1998, increased flank in the column type implant surface and helped to strengthen the primary stability of implantation body.
In the prior art before the present invention, there are Branemark system, Nobel speedy, bicon, Innova, SybronPro, Neodent etc. in system of short implantation body commonly used, and the disclosed designs of patent documentation such as WO2008016205A1, US20080113316A1, its common characteristic all is a short solid design and rely on implantation body's periphery screw thread and osseous tissue to reach synosteosis, but there is insurmountable defective in early stage maintenance and maximum increase synosteosis area because of its limitation.In order to make the better synosteosis of short implantation body, there is the short implantation body of partial design to have hole in its bottom or body, wish osseous tissue its inside of growing into, the design disclosed as patent documentations such as US6918766B1, US20070292820A1, but this form of growing into is very passive, many clinically need inducing by skeletal growth factor, its success rate is very low.The implantation body of conventional length also is more common in this design in implantation body's body hole-opening, as the Switzerland Schroeder that now eliminated and Sutter in the ITI implantation body of development in 1974, this implantation body, porose on the tube wall of blank pipe, divide the cylindric implantation body of hollow open is arranged, remain silent cylindric implantation body and the two blue cylindric implantation bodys of hollow, and JP2005342157A, US2004081941A1, the disclosed designs of patent documentation such as US2003224328A1, US2006014120A1.
In the prior art before the present invention, also there is the solid implantation body of cylindrical thread that length is short to change the smooth hollow design of cylinder into, but because the bone drill preparation is the plantation pothole, implantation body implants the back hollow space does not have osseous tissue, but grow into wherein by osseous tissue, the osseous tissue that is difficult to reach hollow space is full, more difficultly reaches satisfied synosteosis.The design disclosed as patent documentations such as US2008057477A1.In addition, companies such as Nobel, Bicon, Innova have also all issued the short implantation body product of oneself, its characteristics are solid implantation body, because limitation and defective that length is short, the synosteosis area is subjected to certain limitation and causes the synosteosis area few, implantation body is difficult for surviving, and perhaps intensity is low can not support the artificial tooth function for a long time.
Summary of the invention
At above-mentioned prior art situation, the objective of the invention is to: a kind of grind one's teeth in sleep short implantation body of hollow in district's (backteeth) of mandibular bone that is mainly used in is provided, on its structural design, to reach and plant body and the alveolar bone bond strength is big, has the function that tension goes out, resists to sink and transmit the dispersion gmatjpdumamics, make it reach the inside and outside double-deck synosteosis of alveolar bone and implantation body, stress disperses, in place tight, the intensity height, plant body suitable for reading tight, increased holding strength early at a specified future date, screw in and plant body purpose conveniently.
Now design of the present invention and technical solution are described below:
A kind of mouth cavity planting body system design that meets the clinical medicine requirement, short implantation body in particular for the human body privileged sites, increase reaches the key that good synosteosis is implantation body's success with the bonded area of osseous tissue to greatest extent, and plant the possibility of good screw thread form design increase of external week synosteosis area, reasonably pitch can make and screw in implantation body's more convenient and quicker, form the platform transition form when planting body and base station, can make that to plant around the body sealing of gingival epithelium cuff more tight reliably, avoid the little seepage of periodontal pocket to cause bone resorption, the reparation that directly influences implant denture successfully reaches long-term effect.In addition, special relationship because of last lower jaw anatomical structure, the tooth-planting operation is forbidden to damage maxillary sinus and mandibular canal 5 because of the relation of implantation body's length, in case damaged nerve and the blood vessel of walking in mandibular canal 5, certainly will cause irreversible injury to the patient, and can be implanted into the defective that the agomphosis patient who has remedied traditional frontal resorption can not plant in the district of grinding one's teeth in sleep at the osseous tissue more than the distance mandibular canal 5 upper wall 2mm less than the implantation body of 7mm.
Based on the consideration of above-mentioned design concept, the tooth-planting tooth hollow of the present invention's design is lacked implantation body, comprises the short implantation body of the two-part hollow that has the crane span structure adapter ring and does not lack two kinds of structures of implantation body with the one-part form hollow of crane span structure adapter ring.
The short implantation body (referring to Fig. 1,2,3,4,5) of one-part form hollow has body of planting 10 and abutment portion 20, it is characterized in that: plant body 10 and abutment portion 20 is structure as a whole; The top of abutment portion 20 is abutment portion inverted cone round platforms 25; The below is positive curve round platform 24; Between abutment portion inverted cone round platform 25 and the positive curve round platform 24 groove 28 is arranged; Planting body 10 tops is shoulder portions 11 with positive curve round platform 24 junctions, and the middle part is a main part 12, and the below is a cone portion 13; The below of planting body 10 has 1～3 self tapping groove 16, and main part 12 and cone portion 13 inside are hollow space 18.
The short implantation body (referring to Fig. 9,10) of two-part hollow, have the body of planting 10, abutment portion 20 and crane span structure adapter ring 31, it is characterized in that: plant body 10 and abutment portion 20 hypomere for the short implantation body of hollow, crane span structure adapter ring 31 is the short implantation body of hollow epimere, and the internal thread hole 30 by set bolt 35 and abutment portion 20 fuses upper and lower section; The crane span structure adapter ring back taper round platform hole 33 that can cooperate with abutment portion back taper round platform 25 is arranged in the crane span structure adapter ring 31, and crane span structure adapter ring endoporus 34 can penetrate set bolt 35, and there are six flower grooves 38 set bolt 35 upper ends; The top of abutment portion 20 is abutment portion inverted cone round platforms 25; The below is positive curve round platform 24; Between abutment portion inverted cone round platform 25 and the positive curve round platform 24 groove 28 is arranged; Planting body 10 tops is shoulder portions 11 with positive curve round platform 24 junctions, and the middle part is a main part 12, and the below is a cone portion 13; The below of planting body 10 has 1～3 self tapping groove 16, and main part 12 and cone portion 13 inside are hollow space 18.
According to the short implantation body of above-mentioned one-part form or two-part hollow, it is characterized in that: more than the interior depth distance mandibular canal 5 upper wall 2mm of the short implantation body of hollow implantable bone tissue 6,7mm, and the length of planting body 10 is less than 7mm.
According to above-mentioned one-part form or the short implantation body of two-part hollow, it is characterized in that: the described body 10 of planting, the periphery of its shoulder portion 11 has fine thread 14, and the periphery of its main part 12 and cone portion 13 has the two screw threads 15 of zigzag; A tangent plane 43 that has a groove 27 and its plane of symmetry on the described abutment portion inverted cone round platform 25; Positive shaped form round platform 24 with plant body shoulder platform place 22 and form a platform transition form 8.
According to above-mentioned one-part form or the short implantation body of two-part hollow, it is characterized in that: described body 10 hollow spaces 18 of planting, when operation preparation implantation body path of insertion 46, keep the osseous tissue 6 and the cortical bone 7 of planting body 10 hollow spaces 18, not only can be substrate has the bone post 50 of the work of blood fortune to strengthen the holding strength of bone and implantation body, can make again and plant body 10 hollow walls surface 51 and the good synosteosis of bone post 50 formation, reach and plant the inside and outside and osseous tissue forms double-deck synestotic purpose simultaneously, remedied short implantation body and be difficult for success and the low defective of intensity less because of the synosteosis area.
According to above-mentioned one-part form or the short implantation body of two-part hollow, it is characterized in that: have 1～3 and connect the inside and outside self tapping groove 16 of hollow space 18 planting body 10, the effect of tapping voluntarily of cutting osseous tissue is not only arranged, and the hole that the self tapping groove 16 of inside and outside perforation forms has increased the connection area at interface, reduced the mean stress level at interface, and can make and plant the inside and outside osseous tissue of body by running through the growth healing inside and outside the self tapping groove, its marriage relation promptly is to charge into the apophysis in the hole and the sealed relation of hole, has strengthened synosteosis.
According to above-mentioned one-part form or the short implantation body of two-part hollow, it is characterized in that: the outer circumference diameter of planting body 10 is 5～7mm, and hollow space 18 diameters are 3mm～5mm, and the length of planting body 10 is 5mm～7mm.
According to the short implantation body of above-mentioned one-part form or two-part hollow, it is characterized in that: the described body 10 of planting, its shoulder portion 11, main part 12, and the length ratio of 13 3 sections in vertebral body portion be approximately 0.8～1.2: 4～6: 0.8～1.2.
According to the short implantation body of above-mentioned one-part form or two-part hollow, it is characterized in that: periphery fine thread 14 parameters of described shoulder portion 11 are: pitch 0.23～0.27mm, tooth depth 0.06mm～0.10mm; The two screw threads 15 of the periphery screw thread of described main part 12 and cone portion 13 are zigzag, wherein major thread parameter pitch is 0.8mm～1.2mm, tooth depth 0.4mm～0.6mm, working edge β=34 °～38 °, inoperative limit β=2 °～6 °, angle of thread α is 35 °～45 °, minor thread tooth depth 0.17mm～0.21mm.
According to the short implantation body of above-mentioned two-part hollow, it is characterized in that: crane span structure adapter ring 31 inside are crane span structure adapter ring endoporus 34 and crane span structure adapter ring inverted cone round platform hole 33; Crane span structure adapter ring endoporus 34 can penetrate centre bolt 35; Crane span structure adapter ring inverted cone round platform hole 33 and the 25 identical sockets of abutment portion inverted cone round platform, the bottom groove 32 of crane span structure adapter ring end opening 36 coincide with abutment portion groove 28.
According to the short implantation body of above-mentioned two-part hollow, it is characterized in that: the bottom groove 32 of crane span structure adapter ring is 45 ° with the groove of abutment portion groove 28.
The advantage that the present invention compares with prior art is:
1. hollow structure: keeping the osseous tissue of planting the body hollow space is to have substrate that the bone post of the work of blood fortune is arranged, both strengthened the holding strength of bone and implantation body, can make the surface and the bone post of planting the body hollow wall form good synosteosis again, reach and plant the inside and outside and osseous tissue forms double-deck synestotic purpose simultaneously, remedied short implantation body and be difficult for success and the low defective of intensity less because of the synosteosis area.
2. self tapping groove: the inside and outside self tapping groove of body is planted in three perforations, the effect of tapping voluntarily of cutting osseous tissue is not only arranged, and the hole that the self tapping groove of inside and outside perforation forms has increased the connection area at interface, reduced the mean stress level at interface, and can make and plant the inside and outside osseous tissue of body by running through the growth healing inside and outside the self tapping groove, its marriage relation promptly is to charge into the apophysis in the hole and the sealed relation of hole, has strengthened synosteosis.
3. plant body shoulder position fine thread, can increase the contact area of planting body and osseous tissue at the cortical bone edge of stress concentration, keep osseous tissue, reduce unnecessary losing, strengthen the early stage maintenance of cortical bone.
4. plant the two screw threads of phosphor bodies part zigzag, can bear bigger load, thereby better transmit the shearing force that vertical force reduces to come from dummy.Increase the synosteosis area of planting body, and screw-in is planted the body more convenient and quicker.Around implantation body, in implantation process, tip of a root moment of torsion makes bone pressure increase gradually to the screw thread of two thread implants with steeper angle, thereby strengthens the stability of implantation body in bone.Pitch is greatly that screw thread is few more, and the implantation of tapping and implantation body is just simple more.
5. platform shifts design, make plant body around the sealing of gingival epithelium cuff more reliable, the bone resorption of avoiding fine motion and little seepage to cause.
6. the outer circumference diameter of planting body is that 6mm, hollow space diameter are 4mm, and planting body part length is 5mm, 6mm, 7mm, has remedied the traditional frontal resorption agomphosis patient defective that can not plant of district of grinding one's teeth in sleep.
7. the short implantation body of two-part hollow can be applied to the district of grinding one's teeth in sleep of complete mouthful of plantation of frontal resorption agomphosis patient, because its superstructure crane span structure adapter ring is consistent with set bolt with the structure of growing implantation body, so no matter implant denture reparation design is bar cassette overlay denture or nail maintenance formula fixed denture, can both use together with long implantation body, remedy traditional frontal resorption agomphosis patient defective that the district can not plant of grinding one's teeth in sleep.
Description of drawings
Fig. 1: the short implantation body of one-part form hollow profile sketch map
Fig. 2: generalized section behind the short implantation body of the one-part form hollow implantation gingiva
Fig. 3: each position floor map of the short implantation body of one-part form hollow
Fig. 4: each position schematic perspective view of the short implantation body of one-part form hollow
Fig. 5: the short implantation body of one-part form hollow cutaway view
Fig. 6: short each the thread pitch parameter of the embodiment of implantation body of hollow
The upward view of Fig. 7: Fig. 1
The vertical view of Fig. 8: Fig. 1
Fig. 9: the short implantation body of two-part hollow three-dimensional part sketch map
The profile of Figure 10: Fig. 9
Figure 11: specific implementation method sketch map 1
Figure 12: specific implementation method sketch map 2
Figure 13: specific implementation method sketch map 3
Figure 14: specific implementation method sketch map 4
Figure 15: specific implementation method sketch map 5
Figure 16: the short implantation body of one-part form hollow implements back in place generalized section
Figure 17: put on generalized section in place behind the cover screw fixture cover
The specific embodiment
Below be the specific embodiment of the invention, but be not limited to specific embodiment that existing the invention will be further described in conjunction with the accompanying drawings:
Referring to Fig. 1,2,3,4,5:
The implantation body that body 10 and abutment portion 20 fuse is planted by the short implantation body of one-part form hollow, and the periphery of planting body 10 design for cylindrical screw, not only conveniently plants body and effectively screws in osseous tissue smoothly, and the early stage maintenance of the work of bone extruding in order to raising implantation body arranged simultaneously.Special screw thread design more strengthens the synosteosis area with osseous tissue.Plant body 10 periphery cylindrical screws and be divided into three sections, epimere is for planting body shoulder portion 11, and the screw thread of shoulder portion 11 is a fine thread 14, and the spiral shell parameter is pitch 0.25mm, tooth depth 0.08mm.The fine thread of shoulder portion can strengthen cortical bone 7 early stage maintenance, increase the contact area of planting body and osseous tissue at the cortical bone of stress concentration, the unnecessary osseous tissue of minimizing loses when preparation plantation nest.The stage casing is for planting body 10 main parts 12, screw thread is the two screw threads 15 of zigzag, and saw-tooth thread combines the high and high advantage of trapezoidal thread root of the tooth intensity of rectangular thread efficient, can bear bigger load, better transmit vertical force, thereby reduce to come from the shearing force of dummy.Two screw threads 15 have strengthened the adhesion and the bonded area of planting body 10 and osseous tissue 6, in implantation process with steeper angle around implantation body's periphery, tip of a root moment of torsion makes bone pressure increase gradually, thereby strengthens the stability of implantation body in bone, and screws in the operation technique more convenient and quicker of planting body.Its characteristics: the two screw threads 15 of zigzag wherein major thread parameter pitch are 1.0mm, tooth depth 0.5mm, working edge β=36 °, and inoperative limit β=4 °, angle of thread α are 40 °, minor thread tooth depth 0.19mm.Pitch is greatly that screw thread is few more, and the implantation of tapping and implantation body is just simple more.Hypomere is for planting body 10 cone portion 13, and the thread parameter of planting body cone portion 13 is with main part 12, and periphery cutting tapering angle is 26 °.Plant and have inside and outside 3 the self tapping groove 16 that connects on the body 10, the effect of tapping and bone extruding voluntarily of cutting bone wall is not only arranged, when operation screws in implantation body, have guiding function and make its convenient implantation.And the hole that the self tapping groove of inside and outside perforation forms has increased the connection area at interface, reduced the mean stress level at interface, and can make and plant the inside and outside osseous tissue of body by running through the growth healing inside and outside the self tapping groove, its marriage relation promptly is to charge into the apophysis in the hole and the sealed relation of hole, has strengthened synosteosis.The main part 12 and the cone portion 13 of planting body 10 are hollow space 18, when preparation implantation body path of insertion 46, keep the bone post that is contained in the work with substrate and blood fortune of planting body hollow space 18, both strengthened the holding strength of bone and implantation body, again with plant body 10 hollows 18 wall surfaces and form good synosteosis, make it plant that body 10 is inside and outside to form double-deck synosteosis simultaneously with osseous tissue, remedied short implantation body low because of the few intensity of synosteosis area, be difficult for successful defective.Plant body bottom 17 and be the hollow opening place.The length ratio of planting three sections in the shoulder portion, main part of body periphery cylindrical screw design and vertebral body portion is approximately 1: 5: 1.The outer circumference diameter of planting body is that 6mm, hollow space diameter are 4mm, plants body length and is designed to respectively be 5mm, 6mm, 7mm, has remedied the traditional frontal resorption agomphosis patient defective that can not plant of district of grinding one's teeth in sleep.Abutment portion 20 is that a periphery is followed successively by inverted cone, positive shaped form, just tapered rotary body from top to bottom, this rotary body is a solid, abutment portion inverted cone round platform 25 tapering angles are 5 ° and form rational path of insertion to make things convenient for corona in place, a tangent plane 43 with a groove 27 and its plane of symmetry is arranged on cone surface 26, and groove and tangent plane design that not only setting tool spanner conveniently is screwed into but also corona are played the effect of rotating of preventing.There is a groove 28 below of abutment portion inverted cone round platform 25, and angle is 45 degree, and high 0.5mm is the substrate location of corona at base station, stretches into jointly in the corona 40 with abutment portion inverted cone round platform 25, and corona substrate and groove lower edge 29 are tightly involutory.Positive shaped form round platform 24 is parts that base station passes gingiva, according to different length such as the design of gingiva different-thickness 1mm, 2mm, 4mm, its lower edge is being planted body shoulder platform place 22 and is being planted bulk phase earth, form platform transition form 8 owing to planting body 10 diameters greater than the base station diameter, promptly when planting the body diameter greater than the base station diameter, make that to plant around the body sealing of gingiva 8 epithelium cuffs more reliable, the bone resorption of avoiding little seepage to cause.
Referring to Fig. 9,10:
Referring to Figure 11,12,13,14,15,16,17:
The operation technique of the short implantation body of hollow is simple and feasible under the guiding of surgical guide 48, understand alveolar ridge by imaging diagnosis before the art and make surgical guide apart from the situations such as direction of distance, alveolar ridge width, bone density and the implantation of design implantation body of maxillary sinus, mandibular canal, another effect of surgical guide is to guarantee to keep when preparation implantation body path of insertion complete with at the bottom of the bone base for post of the complete and bone post of planting hollow bulb branch bone column in the body, with synestotic purpose inside and outside the assurance implantation body.Operation is undertaken by guide plate locating hole 49 with supporting operating theater instruments, and step is as follows:
1. bore 41 ring cutting gingivas 9 with the gingiva ring cutting, do not cut not turn over and carry out non-invasive procedures under the lobe.
2. bore the shoulder of 42 preparation implantation bodys with supporting shoulder at alveolar bone.
3. bore 47 preparation implantation body paths of insertion 46 with supporting tube.
4. implantation body's adapter 44 screws in the short implantation body in place 46 of hollow at a slow speed.
5. wear cover screw fixture cover 45, the bone regeneration around implant gingiva is shaped.
Claims (4)
1. a tooth-planting tooth two-part hollow is lacked implantation body, wherein, described hypomere of planting body (10) and abutment portion (20) for the short implantation body of hollow, crane span structure adapter ring (31) is the short implantation body of hollow epimere, internal thread hole (30) by set bolt (35) and abutment portion (20) fuses upper and lower section, it is characterized in that: planting body (10) top is shoulder portion (11) with positive curve round platform (24) junction, and the middle part is main part (12), and the below is cone portion (13); Main part (12) and vertebral body portion (13) inside are hollow space; Planting body (10) outer circumference diameter is 5～7mm, and hollow space (18) diameter is 3mm～5mm, and the length of planting body (10) is 5mm～7mm; The periphery of shoulder portion (11) has fine thread (14), and parameter is: pitch 0.23～0.27mm, tooth depth 0.06mm～0.10mm; The periphery of main part (12) and vertebral body portion (13) has the two screw threads (15) of zigzag, wherein major thread parameter pitch is 0.8mm～1.2mm, tooth depth 0.4mm～0.6mm, working edge β=34 °～38 °, inoperative limit β=2 °～6 °, angle of thread α is 35 °～45 °, minor thread tooth depth 0.17mm～0.21mm; The top of abutment portion (20) is inverted cone round platform (25); The below is a positive curve round platform (24); Between inverted cone round platform (25) and the positive curve round platform (24) groove (28) is arranged; The crane span structure adapter ring back taper round platform hole (33) that can cooperate with base station back taper round platform (25) is arranged in the crane span structure adapter ring (31), and crane span structure adapter ring endoporus (34) can penetrate set bolt (35), and there are six flower grooves (38) set bolt (35) upper end.
2. the short implantation body of tooth-planting tooth two-part hollow according to claim 1, it is characterized in that: crane span structure adapter ring inverted cone round platform hole (33) and the identical socket of abutment portion inverted cone round platform (25), the 45 ° of grooves in the bottom of crane span structure adapter ring end opening (36) (32) coincide with abutment portion groove (28).
3. the short implantation body of tooth-planting tooth two-part hollow according to claim 1 is characterized in that: a tangent plane (43) that has a groove (27) and its plane of symmetry on the abutment portion inverted cone round platform (25); Positive shaped form round platform (24) with plant body shoulder platform place (22) and form a platform transition form (8).
4. the short implantation body of tooth-planting tooth two-part hollow according to claim 1, it is characterized in that: the below of planting body (10) has 1～3 self tapping groove (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101511263A CN101366664B (en) | 2008-09-26 | 2008-09-26 | Hollow short grow body of oral cavity tooth grow |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101511263A CN101366664B (en) | 2008-09-26 | 2008-09-26 | Hollow short grow body of oral cavity tooth grow |
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| CN101366664B true CN101366664B (en) | 2010-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2982478A1 (en) * | 2011-11-15 | 2013-05-17 | Robert Fromental | DENTAL IMPLANT FOR IMMEDIATE POST-EXTRACTIONAL IMPLANTATION |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200457402Y1 (en) | 2009-07-27 | 2011-12-20 | 오스템임플란트 주식회사 | Dental implant fixture |
| BRPI0902500B8 (en) * | 2009-07-30 | 2021-06-22 | Sin Sist De Implante Nacional S A | dental implant |
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2008
- 2008-09-26 CN CN2008101511263A patent/CN101366664B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2982478A1 (en) * | 2011-11-15 | 2013-05-17 | Robert Fromental | DENTAL IMPLANT FOR IMMEDIATE POST-EXTRACTIONAL IMPLANTATION |
| EP2594226A1 (en) * | 2011-11-15 | 2013-05-22 | Robert Fromental | Dental implant for immediate implantation post-extraction |
Also Published As
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|---|---|
| CN101366664A (en) | 2009-02-18 |
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Effective date of registration: 20151026 Address after: 710032 Changle West Road, Shaanxi, No. 169 The Fourth Military Medical University, Patentee after: The Fourth Military Medical University of the Chinese People's Liberation Army Address before: 710032 No. 280, C unit, The Fourth Military Medical University, 17 West Changle Road, Shaanxi, Xi'an, 50 Patentee before: Fang Wei Patentee before: Liu Baolin Patentee before: Zhao Yimin |
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