CN201033098Y - Bionic tooth planting body - Google Patents
Bionic tooth planting body Download PDFInfo
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- CN201033098Y CN201033098Y CNU2007200791056U CN200720079105U CN201033098Y CN 201033098 Y CN201033098 Y CN 201033098Y CN U2007200791056 U CNU2007200791056 U CN U2007200791056U CN 200720079105 U CN200720079105 U CN 200720079105U CN 201033098 Y CN201033098 Y CN 201033098Y
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Abstract
The utility model discloses a bionic dental implanter, which aims at the defects in the columned pyramidal rotary position type implanter in the existing technology that: mutually pulling functions among a plurality of fangs similar to natural tooth can not be formed so as to realize the anti-rotary wrest-prevent function. The bionic dental implanter comprises a fixing root segment, a neck segment and a base station segment; the fixing root segment comprises a mother root and at least one child root, the diameter of the child root is less than the diameter of the mother root, an inclined hole is perforated through to the external periphery from internal mother root or neck segment body or simultaneously from both the internal mother root and neck segment bodies, the upper end of each child root is inclinedly provided in an inclined hole. Compared with the existing technology, the utility model has excellent initial steady performance and initial anti-rotary wrest-prevent ability and is able to increase the contact area between the implanter and the jaw bone, thereby improving the success rate of immediate stress with the implanting and fulfilling the success rate of chewing function chronically and effectively.
Description
Technical field
This utility model relates to artificial tooth system, particularly relates to a kind of bionic tooth implant that jawbone serves as artificial tooth root of implanting.
Background technology
From the comfort level and the long-term steadiness of clinical practice, odontologist uses the most successful implantation body at most at present, and the cylinder taper rotation that is likeness in form natural tooth root form is with regard to bit-type implantation body.This kind is shaped as axisymmetric cylindricality or conical implantation body, generally all there is the rotatable screw thread that is located in the jawbone bone hole that has prepared on its surface, thereby can obtain certain initial stage steadiness, in addition the various increases that implant surface is carried out its with the means of the biological contact area of jawbone (as surface coarsening, titanium slurry spraying etc.) enforcement, this type of implantation body generally uses in the world at present.
Notification number is CN1826089A, and the patent of invention of " tooth implant " by name discloses a kind of tooth implant that is made of staple portion, cervical region and abutment portion.This patented technology is that typical cylinder taper rotation is with regard to bit-type implantation body, because it is single cylinder or bullet, can not form the mutual traction action between a plurality of roots of the tooth of similar natural teeth and bring into play the anti-anti-function of turning round of revolving, only rely on the limited initial stage of implant surface screw thread firmly to act on, the tooth that is difficult to resist on the implantation body basis disturbs the various torsion that implantation body produces when laboratory rodent chow.Therefore, present most implantation body still need wait for the some months time behind implanted human body jawbone, can not adorn the stressed enforcement masticatory function of tooth at once, otherwise can destroy the organic synosteosis of implantation body, finally cause implantation body to become flexible and make planting failure with the jawbone contact interface.
The utility model content
The purpose of this utility model is exactly at the deficiencies in the prior art, and a kind of bionic tooth implant of similar natural tooth root is provided.This bionic tooth implant not only possesses firm performance of good initial stage and anti-revolving of initial stage prevents turning round ability, and can strengthen implantation body with the jawbone contact area, improves the stressed at once and long-term firm effectively success rate of plantation at once.
For achieving the above object, the technical solution of the utility model is as follows:
The bionic tooth implant that the utility model proposes comprises fixedly root, cervical region and abutment portion.Described fixedly root comprises parent root and at least one piece of daughter root, and the diameter of daughter root is less than the diameter of parent root; Oblique hole in parent root or the cervical region body to its periphery break-through, or oblique hole simultaneously in parent root and the cervical region body to its periphery break-through, every piece of oblique being placed in the oblique hole in daughter root upper end.Oblique hole simultaneously in parent root and the cervical region body to its periphery break-through, be oblique hole in parent root and the cervical region body outwards break-through parent root and cervical region periphery intersection, or some oblique hole in the parent root body to its periphery break-through simultaneously other oblique holes in the cervical region body to its periphery break-through, or some oblique hole in parent root and the cervical region body outwards break-through parent root and cervical region periphery intersection simultaneously other oblique holes in parent root or the cervical region body to its periphery break-through.Fixedly root structure has like this formed at least two multirooted teeth implant retention mechanism that the maintenance root is above, and this bionic tooth implant can not only form the distribution of many rhizoplanes formula drag, bring into play the mutual restraining function between root and the root and resist twisted interference, can also form many three-dimensional drags distributes, analyze from physiological mechanics, this drag physiological feature of convergence human body natural teeth " area occupied is big more between the root of the tooth; be beneficial to the firm of tooth more " that distributes, thereby significantly strengthened the initial stage steadiness of implantation body and long-term firm.Mutual traction action between many more meets the jawbone physiological requirement to the stimulation of jawbone bone fibres, make jawbone osseous tissue hypertrophy more, absorb still less, efficient hardening implantation body combines with osseous tissue.
Described cervical region is positioned at the parent root top, is connected as a single entity with parent root.Inwardly there is a taper hole on the cervical region top, and an internal square hole or interior three square holes are arranged at the taper hole bottom, and internal square hole or interior three square holes bottom are extended a screw, the vertical break-through of screw or not break-through parent root bottom vertically.Described internal square hole or interior three square hole sidepieces have oblique hole, or described taper hole sidepiece has oblique hole, or taper hole and internal square hole sidepiece have oblique hole simultaneously, or taper hole and interior three square hole sidepieces have oblique hole simultaneously.Taper hole and internal square hole sidepiece have oblique hole simultaneously, be that open at taper hole and internal square hole sidepiece intersection in oblique hole, or some oblique hole opens at the taper hole sidepiece and opens at the internal square hole sidepiece in other oblique holes simultaneously, or some oblique hole is opened at taper hole and internal square hole sidepiece intersection and opened at taper hole or internal square hole sidepiece in other oblique holes simultaneously; Taper hole and interior three square hole sidepieces have oblique hole simultaneously, be that open at taper hole and interior three square hole sidepiece intersections in oblique hole, or some oblique hole opens at the taper hole sidepiece and opens at interior three square hole sidepieces in other oblique holes simultaneously, or some oblique hole is opened at taper hole and interior three square hole sidepiece intersections and opened at taper hole or interior three square hole sidepieces in other oblique holes simultaneously.Described oblique hole break-through parent root or cervical region periphery, or while break-through parent root and cervical region periphery, the number in oblique hole is at least 1, the quantity of daughter root is consistent with the quantity in oblique hole, every piece of oblique being placed in the oblique hole in daughter root upper end.Center, every piece of daughter root upper surface inwardly has an axial little internal square hole, and the daughter root upper end axially has a dovetail along parent root.Abutment portion comprises the corresponding cone that is embedded in the described taper hole, along the upwardly extending protuberance of cone, and along downward outer tetragonal body or the outer tripartite body that extends of cone.Described outer tetragonal body is embedded in the described internal square hole, or described outer tripartite body is embedded in described interior three square holes, described outer tetragonal body or outer tripartite body side surface are provided with the dovetail slot, and the quantity of dovetail slot is consistent with daughter root quantity, and each dovetail slot engages with dovetail on every piece of daughter root.The abutment portion center offers the logical hole that holds of a ganoid bolt, and the base station bolt is rotated with in the screw of parent root by the logical hole that holds.The dovetail that many root architectures of described bionic tooth implant at first rely on the daughter root upper end with connect after the dovetail slot of outer tetragonal body of abutment portion or outer tripartite body side surface engages mutually admittedly, form the function entity of being close to the phase embedding and rely on the base station bolt to be rotated with and then in the parent root screw.
Described internal square hole or interior three square holes are tapered to the parent root direction from cervical region, chimeric with it outer tetragonal body or outer tripartite body are tapered downwards from cone, promptly outer tetragonal body or outer tripartite body are thicker near an end of cone, end away from cone is thinner, can make the tight more easily chimeric company of abutment portion and parent root solid like this.The width of described dovetail axially becomes big downwards gradually along parent root, the end width away from the daughter root bottom that is dovetail is less, end width near the daughter root bottom is bigger, the width of Ka He dovetail slot becomes big from top to bottom gradually with it, promptly become big gradually to the cone rightabout, just the dovetail slot is less near an end width of cone, and is bigger away from an end width of cone, abutment portion and daughter root closely engaged more easily connect admittedly.Between parent root and abutment portion, between cervical region and the abutment portion, the tripartite connected mode of gradually thin taper four directions or taper, be taper hole and cone, the chimeric connected mode between thin internal square hole and gradually thin outer tetragonal body or gradually thin interior three square holes and the gradually thin outer tripartite body gradually, guaranteed the closed structure fully isolated with the external world.Described bionic tooth implant is by cervical region and the integrally formed mode of parent root, abutment portion and cervical region and the fixing tight chimeric mode of root, and screw thread connects solid mode, and finally be combined into by the fixing common synthetic function entity of root, cervical region and abutment portion.
Has screw thread on the described parent root periphery, screw thread stricture of vagina tooth section shape is asymmetric trapezoidal, the upper surface is flat, the lower surface is more oblique, stricture of vagina tooth upper surface is 90 degree-120 degree near the stricture of vagina increment face and the angle α between the parent root appearance of cervical region promptly, wherein preferred 102 degree, stricture of vagina tooth lower surface are 123 degree away from the stricture of vagina increment face and the angle β between the parent root appearance of cervical region promptly.Described daughter root bottom periphery has screw thread, screw thread stricture of vagina tooth section shape is asymmetric trapezoidal, the upper surface is flat, the lower surface is more oblique, stricture of vagina tooth upper surface is 90 degree-120 degree near the stricture of vagina increment face and the angle α between the daughter root appearance of daughter root upper surface promptly, wherein preferred 102 degree, stricture of vagina tooth lower surface are 123 degree away from the stricture of vagina increment face and the angle β between the daughter root appearance of daughter root upper surface promptly.When the vertical break-through parent root of described screw bottom, the base station bolt is rotated with back its following transverse plane that puts in place and protrudes in transverse plane under the parent root.Because the deboost that the base station bolt is produced after being rotated with and putting in place makes the oppositely tight lock in screw thread stricture of vagina tooth upper surface and mandibular organization of parent root and daughter root bottom outer surface, strengthen anti-the revolving of initial stage of described bionic tooth implant and prevented turning round function, for plantation at once adorn at once stressed universal of tooth provide may, provide possible for ensure that implantation body also can form combine with the normal bone of mandibular organization under stressed (load) situation at once.
The outer surface of parent root and daughter root is all handled through surface coarsening.Parent root bottom and daughter root bottom are tapered downwards with the tapering between 1 degree-30 degree scopes, form the plane or the conical surface in the lower surface.The tapered root that parent root and daughter root are gradually thin is more prone to the preparation boring on the jawbone.Parent root bottom and daughter root bottom have at least one lobate cutting groove respectively.Described lobate cutting groove has guide effect, makes implantation body implant easier putting in place.
Angle number of degrees excursion between parent root and the daughter root is 13 degree-26 degree, wherein preferred 21 degree.By reducing the stagger angle of daughter root, can form the curved root architecture of flat of similar natural front tooth in appearance with parent root.By changing the corner dimension between parent root and the daughter root, make the form scope of described bionic tooth implant almost can contain fully and form similar natural teeth from the front tooth to the canine tooth again to bicuspid at last to the root structures form of backteeth, thereby stressed, the drag mode that makes described tooth implant convergence nature physiological status more.
Described protuberance is a cylinder body shape, and its outer surface is provided with at least two circle arc grooves, and described arc groove is used for fixing artificial tooth.Described cervical region is up big and down small truncated cone-shaped, and is promptly less near an end diameter of parent root, bigger away from an end diameter of parent root.Described cervical region outer surface is smooth.
Owing to adopted daughter root, the planting patterns that parent root is staggered, during the plantation of described bionic tooth implant can according to before the art to the sclerotin form of jawbone host site, quality, the anatomical structure investigation, select daughter root flexibly, the length of parent root, size, direction and staggered position thereof, the angle of inclination of stagger angle and whole implantation body, thereby form multiple plane and spatial many combinative structurees, and then widen potential plantation space on the jawbone, can effectively avoid again simultaneously can not be impaired on the jawbone pipe, the chamber, anatomical structures such as hole, improve the plantation success rate, enlarge plantation indication scope.Change according to the conditions such as the strength of materials of making described bionic tooth implant can be adjusted into interior hexagonal hole with internal square hole in the described bionic tooth implant parent root or interior three square holes, and outer tetragonal body or the outer tripartite body of adjusting abutment portion are outer hexahedron.
Compared with prior art, the beneficial effects of the utility model are: possess anti-revolving of firm performance of good initial stage and initial stage and prevent turning round ability, can strengthen implantation body with the jawbone contact area, improve the success rate of stressed at once success rate of plantation at once and long-term firm effectively performance mastication.
Description of drawings
Fig. 1 is the axonometric chart that has the described bionic tooth implant of 2 pieces of daughter root.
Fig. 2 is the axonometric chart of parent root and cervical region.
Fig. 3 has the bionic tooth implant parent root of internal square hole and the cutaway view of cervical region.
Fig. 4 is the vertical vertical view of bionic tooth implant cervical region that has internal square hole.
Fig. 5 has the bionic tooth implant parent root of internal square hole and the internal structure axonometric chart of cervical region.
Fig. 6 is the axonometric chart of daughter root.
Fig. 7 is the internal structure axonometric chart after bionic tooth implant parent root, cervical region and the daughter root assembling that has internal square hole.
Fig. 8 is the axonometric chart that has the abutment portion of outer tetragonal body.
Fig. 9 is the mutual chimeric axonometric chart of daughter root and the abutment portion that has outer tetragonal body.
Figure 10 is the internal structure axonometric chart after parent root, daughter root, cervical region and the abutment portion assembling that has the bionic tooth implant of internal square hole.
Figure 11 is the parent root, daughter root, cervical region and the abutment portion that have the bionic tooth implant of internal square hole and the internal structure axonometric chart after the base station bolts assemblies.
Figure 12 is the axonometric chart that has the described bionic tooth implant of 3 pieces of daughter root.
Figure 13 has the bionic tooth implant parent root of interior three square holes and the axonometric chart of cervical region.
Figure 14 has the bionic tooth implant parent root of interior three square holes and the internal structure axonometric chart of cervical region.
Figure 15 is the vertical vertical view of bionic tooth implant cervical region that has interior three square holes.
Figure 16 is the vertical view that has the described bionic tooth implant of 3 pieces of daughter root.
Figure 17 is the axonometric chart that has the abutment portion of outer tripartite body.
Figure 18 is the internal structure axonometric chart after parent root, daughter root, cervical region and the abutment portion assembling that has the bionic tooth implant of interior three square holes.
Figure 19 is the axonometric chart of bionic tooth implant that has the curved root of imitative flat of 1 piece of daughter root.
Figure 20 is the axonometric chart that the parent root that has 1 piece of daughter root is the oblique implantation of bionic tooth implant of column.
Figure 21 is the axonometric chart that the parent root that has 1 piece of daughter root is the oblique implantation of bionic tooth implant of taper.
Figure 22 is the axonometric chart that has the short parent root bionic tooth implant of 2 pieces of daughter root.
Figure 23 is the axonometric chart that has the short parent root bionic tooth implant of 3 pieces of daughter root.
Figure 24 is the axonometric chart that has the short parent root bionic tooth implant of 4 pieces of daughter root.
Figure 25 be have in the implanted human body jawbone of bionic tooth implant of 2 pieces of daughter root and load onto tooth after sketch map.
Number in the figure is as follows:
1 fixing root 2 cervical regions
3 abutment portion, 4 parent root
5 daughter root, 6 taper holes
7 internal square holes, 8 screws
9 oblique holes, 10 little internal square holes
11 dovetails, 12 cones
13 protuberances, 14 outer tetragonal bodies
The logical hole that holds of 15 dovetail slot 16s
Three square holes in the 17 base station bolts 18
19 outer tripartite body 20 screw threads
21 grooves, 22 lobate cutting grooves
24 daughter root upper surfaces, 23 daughter root bottoms
25 parent root bottoms, 26 artificial teeth
27 gingivas, 28 jawbones
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is further described.
Embodiment one
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, shown in Figure 25.Make the parent root 4 of tooth implant, its diameter is 4.8mm, has screw thread 20 on its periphery, and screw thread 20 stricture of vagina tooth section shapes are asymmetric trapezoidal, angle α between stricture of vagina tooth upper surface and parent root 4 appearances is 102 degree, and the angle β between stricture of vagina tooth lower surface and parent root 4 appearances is 123 degree.Cervical region 2 is positioned at the top of parent root 4, is connected as a single entity with parent root 4; Cervical region 2 is up big and down small truncated cone-shaped, and is promptly less near an end diameter of parent root 4, bigger away from an end diameter of parent root 4; Cervical region 2 outer surfaces are smooth.A taper hole 6 is inwardly offered on cervical region 2 tops, taper hole 6 bottoms have one from cervical region 2 to the tapered internal square hole 7 of parent root 4 directions, internal square hole 7 bottoms are extended a screw 8 vertically, screw 8 vertical break-through parent root 4 bottoms.Internal square hole 7 sidepiece symmetries have 2 oblique holes 9, the periphery of oblique hole 9 break-through parent root 4; Make 2 pieces of daughter root 5, the diameter of daughter root 5 is 2mm, every piece of oblique being placed in the oblique hole 9 in daughter root 5 upper ends.24 centers, every piece of daughter root 5 upper surfaces inwardly have an axial little internal square hole 10, and daughter root 5 upper ends axially have a dovetail 11 along parent root 4, and its width axially becomes big downwards gradually along parent root 4; Daughter root bottom 23 peripheries have screw thread 20, and screw thread 20 stricture of vagina tooth section shapes are asymmetric trapezoidal, and the angle α between stricture of vagina tooth upper surface and daughter root 5 appearances is 102 degree, and the angle β between stricture of vagina tooth lower surface and daughter root 5 appearances is 123 degree.This parent root 4 and 2 pieces of daughter root 5 common fixedly roots 1 of forming described bionic tooth implant.Abutment portion 3 comprises the corresponding cone 12 that is embedded in the taper hole 6, along cone 12 upwardly extending protuberances 13, and along the cone 12 downward outer tetragonal bodies 14 that extend.Protuberance 13 be shaped as cylinder body shape, outer surface is provided with two circle arc grooves 21; Outer tetragonal body 14 is tapered downwards from cone 12, is embedded in the internal square hole 7; Outer tetragonal body 14 sides are provided with 2 symmetric dovetail slots 15, and its width becomes greatly gradually to cone 12 rightabouts, and each dovetail slot 15 engages with a dovetail 11.Abutment portion 3 centers offer the logical hole 16 that holds of a ganoid bolt, and base station bolt 17 is rotated with in the screw 8 of parent root 4 by the logical hole 16 that holds, and the following transverse plane that is rotated with the back base station bolt 17 that puts in place protrudes in 4 times transverse planes of parent root.
The outer surface of parent root 4 and daughter root 5 is all handled through surface coarsening.Parent root bottom 25 and daughter root bottom 23 all are tapered downwards with the tapering of 30 degree, and parent root 4 all becomes the plane in the lower surface with daughter root 5.Parent root bottom 25 and daughter root bottom 23 evenly have 3 lobate cutting grooves 22 respectively.Angle between parent root 4 and the daughter root 5 is 21 degree.Behind the described bionic tooth implant implant patient jawbone, fixedly root 1 is positioned at patient's jawbone 28, and cervical region 2 is positioned at patient's gum 27, the artificial tooth 26 of assembling on the abutment portion 3.
Embodiment two
As Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, shown in Figure 180.Make the parent root 4 of tooth implant, its diameter is 4.8mm, has screw thread 20 on its periphery, and screw thread 20 stricture of vagina tooth section shapes are asymmetric trapezoidal, angle α between stricture of vagina tooth upper surface and parent root 4 appearances is 90 degree, and the angle β between stricture of vagina tooth lower surface and parent root 4 appearances is 123 degree.Cervical region 2 is positioned at the top of parent root 4, is connected as a single entity with parent root 4; Cervical region 2 is up big and down small truncated cone-shaped, and is promptly less near an end diameter of parent root 4, bigger away from an end diameter of parent root 4; Cervical region 2 outer surfaces are smooth.A taper hole 6 is inwardly offered on cervical region 2 tops, and taper hole 6 bottoms have one from cervical region 2 three square holes 18 in parent root 4 directions are tapered, and interior three square holes 18 bottoms are extended a screw 8 vertically, screw 8 vertical break-through parent root 4 bottoms.Interior three square holes, 18 sidepieces evenly have 3 oblique holes 9, the periphery of oblique hole 9 break-through parent root 4; Make 3 pieces of daughter root 5, the diameter of daughter root 5 is 2mm, and every piece of oblique being placed in the oblique hole 9 in daughter root 5 upper ends constitutes the three-dimensional many root architectures of 360 degree.24 centers, every piece of daughter root 5 upper surfaces inwardly have an axial little internal square hole 10, and daughter root 5 upper ends axially have a dovetail 11 along parent root 4, and its width axially becomes big downwards gradually along parent root 4; Daughter root bottom 23 peripheries have screw thread 20, and screw thread 20 stricture of vagina tooth section shapes are asymmetric trapezoidal, and the angle α between stricture of vagina tooth upper surface and daughter root 5 appearances is 100 degree, and the angle β between stricture of vagina tooth lower surface and daughter root 5 appearances is 123 degree.This parent root 4 and 3 pieces of daughter root 5 common fixedly roots 1 of forming described bionic tooth implant.Abutment portion 3 comprises the corresponding cone 12 that is embedded in the taper hole 6, along cone 12 upwardly extending protuberances 13, and along the cone 12 downward outer tripartite bodies 19 that extend.Protuberance 13 be shaped as cylinder body shape, outer surface is provided with 2 circle arc grooves 21; Outer tripartite body 19 is tapered downwards from cone 12, is embedded in interior three square holes 18; Outer tripartite body 19 sides evenly are provided with 3 dovetail slots 15, and its width becomes greatly gradually to cone 12 rightabouts, and each dovetail slot 15 engages with a dovetail 11.Abutment portion 3 centers offer the logical hole 16 that holds of a bolt, and base station bolt 17 is rotated with in the screw 8 of parent root 4 by the logical hole 16 that holds, and the following transverse plane that is rotated with the back base station bolt 17 that puts in place protrudes in 4 times transverse planes of parent root.
The outer surface of parent root 4 and daughter root 5 is all handled through surface coarsening.Parent root bottom 25 and daughter root bottom 23 all are tapered downwards with the tapering of 30 degree, and parent root 4 all becomes the plane in the lower surface with daughter root 5.Parent root bottom 25 and daughter root bottom 23 have 2 lobate cutting grooves 22.Angle between parent root 4 and the daughter root 5 is 21 degree.Behind the described bionic tooth implant implant patient jawbone, fixedly root 1 is positioned at patient's jawbone 28, and cervical region 2 is positioned at patient's gum 27, the artificial tooth 26 of assembling on the abutment portion 3.
Embodiment three
As shown in figure 19.The place identical with embodiment one be repeated description no longer, and difference is: screw thread 20 stricture of vagina tooth upper surfaces on parent root 4 peripheries and the angle α between parent root 4 appearances are 120 degree.Internal square hole 7 sidepieces have 1 oblique hole 9, the periphery of oblique hole 9 break-through parent root 4; Make 1 piece of daughter root 5, its upper end is oblique to be placed in the oblique hole 9.The screw thread 20 stricture of vagina tooth upper surfaces of daughter root bottom 23 peripheries and the angle α between daughter root 5 appearances are 110 degree.Outer tetragonal body 14 sides are provided with 1 dovetail slot 15, and dovetail slot 15 engages with dovetail 11.Angle between parent root 4 and the daughter root 5 is 13 degree.
Embodiment four
As shown in figure 20.The place identical with embodiment one be repeated description no longer, and difference is: parent root 4 tilts, and abutment portion 3 is the angle base station.Screw thread 20 stricture of vagina tooth upper surfaces on parent root 4 peripheries and the angle α between parent root 4 appearances are 120 degree.Screw 8 is not break-through parent root 4 bottoms vertically.Internal square hole 7 sidepieces have 1 oblique hole 9, the periphery of oblique hole 9 break-through parent root 4; Make 1 piece of daughter root 5, its upper end is oblique to be placed in the oblique hole 9.The screw thread 20 stricture of vagina tooth upper surfaces of daughter root bottom 23 peripheries and the angle α between daughter root 5 appearances are 90 degree.Outer tetragonal body 14 sides are provided with 1 dovetail slot 15, and dovetail slot 15 engages with dovetail 11.
Embodiment five
As shown in figure 21.The place identical with embodiment one be repeated description no longer, and difference is: parent root 4 be tilt and be taper, abutment portion 3 is the angle base station.Screw 8 is not break-through parent root 4 bottoms vertically.Internal square hole 7 sidepieces have 1 oblique hole 9, the periphery of oblique hole 9 break-through parent root 4; Make 1 piece of daughter root 5, its upper end is oblique to be placed in the oblique hole 9.The screw thread 20 stricture of vagina tooth upper surfaces of daughter root bottom 23 peripheries and the angle α between daughter root 5 appearances are 120 degree.Outer tetragonal body 14 sides are provided with 1 dovetail slot 15, and dovetail slot 15 engages with dovetail 11.
Embodiment six
As shown in figure 22.The place identical with embodiment one be repeated description no longer, and difference is: parent root 4 is shorter, and promptly parent root 4 lower surfaces are apparently higher than daughter root 5 lower surfaces.Angle between parent root 4 and the daughter root 5 is 26 degree.
Embodiment seven
As shown in figure 23.The place identical with embodiment two be repeated description no longer, and difference is: parent root 4 is shorter, and promptly parent root 4 lower surfaces are apparently higher than daughter root 5 lower surfaces.Angle between parent root 4 and the daughter root 5 is 26 degree.
Embodiment eight
As shown in figure 24.The place identical with embodiment one be repeated description no longer, and difference is: internal square hole 7 sidepieces evenly have 4 oblique holes 9, the periphery of oblique hole 9 break-through parent root 4; Make 4 pieces of daughter root 5, the upper end of every piece of daughter root 5 is oblique to be placed in the oblique hole 9.Parent root 4 is shorter, and promptly parent root 4 lower surfaces are apparently higher than daughter root 5 lower surfaces.Outer tetragonal body 14 sides are provided with 4 dovetail slots 15, and each dovetail slot 15 engages with a dovetail 11.Angle between parent root 4 and the daughter root 5 is 26 degree.
Embodiment nine
The place identical with embodiment one be repeated description no longer, and difference is: open in taper hole 6 sidepieces, the periphery of break-through cervical region 2 in oblique hole 9.Parent root bottom 25 and daughter root bottom 23 all are tapered downwards with the tapering of 1 degree.Angle between parent root 4 and the daughter root 5 is 17 degree.The outer surface of protuberance 13 is provided with four circle arc grooves 21.Parent root bottom 25 and daughter root bottom 23 have 1 lobate cutting groove 22.
Embodiment ten
The place identical with embodiment one be repeated description no longer, and difference is: have totally 2 in oblique hole 9 at taper hole 6 and internal square hole 7 sidepiece intersections, oblique hole 9 break-through parent root 4 and cervical region 2 periphery intersections.Parent root bottom 25 is tapered downwards with the tapering of 20 degree, and daughter root bottom 23 is tapered downwards with the tapering of 10 degree, and parent root 4 all becomes the conical surface in the lower surface with daughter root 5.Angle between parent root 4 and the daughter root 5 is 23 degree.
The place identical with embodiment two be repeated description no longer, difference is: have totally 3 in oblique hole 9 simultaneously at taper hole 6 and interior three square holes, 18 sidepieces, open in taper hole 6 sidepieces, break-through cervical region 2 peripheries in one of them oblique hole 9, open in interior three square holes, 18 sidepieces, break-through parent root 4 peripheries in an oblique hole 9, and open at taper hole 6 and interior three square holes, 18 sidepiece intersections, break-through parent root 4 and cervical region 2 periphery intersections in another oblique hole 9.Parent root bottom 25 and daughter root bottom 23 all are tapered downwards with the tapering of 5 degree.
Claims (10)
1. a bionic tooth implant comprises fixedly root (1), cervical region (2) and abutment portion (3), and it is characterized in that: described fixedly root (1) comprises parent root (4) and at least one piece of daughter root (5), and the diameter of daughter root (5) is less than the diameter of parent root (4); Oblique hole (9) is interior to its periphery break-through from parent root (4) or cervical region (2) body, or oblique hole (9) are interior to its periphery break-through from parent root (4) and cervical region (2) body simultaneously, and every piece of daughter root (5) upper end is oblique to be placed in the oblique hole (9).
2. bionic tooth implant according to claim 1 is characterized in that: cervical region (2) is positioned at parent root (4) top, is connected as a single entity with parent root (4); Inwardly there is a taper hole (6) on cervical region (2) top, one internal square hole (7) or interior three square holes (18) are arranged at taper hole (6) bottom, internal square hole (7) or interior three square holes (18) bottom are extended a screw (8) vertically, and screw (8) is break-through or not break-through parent root (4) bottom vertically; Internal square hole (7) or interior three square holes (18) sidepiece have oblique hole (9), or taper hole (6) sidepiece has oblique hole (9), or taper hole (6) and internal square hole (7) sidepiece have oblique hole (9) simultaneously, or taper hole (6) and interior three square holes (18) sidepiece have oblique hole (9) simultaneously; Oblique hole (9) break-through parent root (4) or cervical region (2) periphery, or while break-through parent root (4) and cervical region (2) periphery, the number in oblique hole (9) is at least 1, and the quantity of daughter root (5) is consistent with the quantity of oblique hole (9), and every piece of daughter root (5) upper end is oblique to be placed in the oblique hole (9); Center, every piece of daughter root upper surface (24) inwardly has an axial little internal square hole (10), and daughter root (5) upper end axially has a dovetail (11) along parent root (4); Abutment portion (3) comprises the corresponding cone (12) that is embedded in the taper hole (6), along the upwardly extending protuberance of cone (12) (13), and along downward outer tetragonal body (14) or the outer tripartite body (19) that extends of cone (12); Outer tetragonal body (14) is embedded in the internal square hole (7), or outer tripartite body (19) is embedded in interior three square holes (18), outer tetragonal body (14) or outer tripartite body (19) side are provided with dovetail slot (15), its quantity is consistent with daughter root (5) quantity, and each dovetail slot (15) engages with a dovetail (11); Abutment portion (3) center offers the logical hole (16) that holds of a bolt, and base station bolt (17) is rotated with in the screw (8) of parent root (4) by the logical hole (16) that holds.
3. bionic tooth implant according to claim 2 is characterized in that: internal square hole (7) or interior three square holes (18) are tapered to parent root (4) direction from cervical region (2); Outer tetragonal body (14) or outer tripartite body (19) are tapered downwards from cone (12).
4. bionic tooth implant according to claim 3 is characterized in that: dovetail (11) width axially becomes big downwards gradually along parent root (4); The width of dovetail slot (15) becomes big gradually to cone (12) rightabout.
5. according to the arbitrary described bionic tooth implant of claim 2 to 4, it is characterized in that: have screw thread (20) on parent root (4) periphery, screw thread (20) stricture of vagina tooth section shape is asymmetric trapezoidal, angle between stricture of vagina tooth upper surface and parent root (4) appearance is 90 degree-102 degree or 102 degree-120 degree, and the angle between stricture of vagina tooth lower surface and parent root (4) appearance is 123 degree; Daughter root bottom (23) periphery has screw thread (20), screw thread (20) stricture of vagina tooth section shape is asymmetric trapezoidal, angle between stricture of vagina tooth upper surface and daughter root (5) appearance is 90 degree-102 degree or 102 degree-120 degree, and the angle between stricture of vagina tooth lower surface and daughter root (5) appearance is 123 degree.
6. according to the arbitrary described bionic tooth implant of claim 1 to 4, it is characterized in that: parent root bottom (25) and daughter root bottom (23) are tapered downwards with the tapering between 1 degree-30 degree scopes, become the plane or the conical surface in the lower surface.
7. according to the arbitrary described bionic tooth implant of claim 2 to 4, it is characterized in that: screw (8) is vertically during break-through parent root (4) bottom, base station bolt (17) be rotated with put in place the back its down transverse plane protrude in transverse plane under the parent root (4).
8. according to the arbitrary described bionic tooth implant of claim 1 to 4, it is characterized in that: the angle number of degrees between parent root (4) and the daughter root (5) are 13 degree-21 degree or 21 degree-26 degree.
9. according to the arbitrary described bionic tooth implant of claim 1 to 4, it is characterized in that: cervical region (2) is truncated cone-shaped, and is less near an end diameter of parent root (4), bigger away from an end diameter of parent root (4); Cervical region (2) outer surface is smooth.
10. according to the arbitrary described bionic tooth implant of claim 2 to 4, it is characterized in that: parent root bottom (25) and daughter root bottom (23) have at least one lobate cutting groove (22) respectively; Protuberance (13) is a cylinder body shape, and its outer surface is provided with at least two circle arc grooves (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200791056U CN201033098Y (en) | 2007-04-12 | 2007-04-12 | Bionic tooth planting body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200791056U CN201033098Y (en) | 2007-04-12 | 2007-04-12 | Bionic tooth planting body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201033098Y true CN201033098Y (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200791056U Expired - Fee Related CN201033098Y (en) | 2007-04-12 | 2007-04-12 | Bionic tooth planting body |
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| Country | Link |
|---|---|
| CN (1) | CN201033098Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947139A (en) * | 2010-10-21 | 2011-01-19 | 赵大国 | Bionic dental implant and abutment and seminal root thereof |
-
2007
- 2007-04-12 CN CNU2007200791056U patent/CN201033098Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947139A (en) * | 2010-10-21 | 2011-01-19 | 赵大国 | Bionic dental implant and abutment and seminal root thereof |
| CN101947139B (en) * | 2010-10-21 | 2013-10-23 | 赵大国 | Bionic dental implant and abutment and seminal root thereof |
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Granted publication date: 20080312 Termination date: 20100412 |