CN103550004B - Implanting body of artificial tooth and implanting body of artificial tooth system - Google Patents
Implanting body of artificial tooth and implanting body of artificial tooth system Download PDFInfo
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- CN103550004B CN103550004B CN201310581289.6A CN201310581289A CN103550004B CN 103550004 B CN103550004 B CN 103550004B CN 201310581289 A CN201310581289 A CN 201310581289A CN 103550004 B CN103550004 B CN 103550004B
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- 238000010079 rubber tapping Methods 0.000 claims abstract description 80
- 239000007943 implant Substances 0.000 claims description 37
- 210000003141 lower extremity Anatomy 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 abstract description 44
- 238000000034 method Methods 0.000 abstract description 16
- 238000002513 implantation Methods 0.000 abstract description 9
- 230000035876 healing Effects 0.000 abstract description 4
- 206010061363 Skeletal injury Diseases 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 46
- 241000196324 Embryophyta Species 0.000 description 6
- 210000004872 soft tissue Anatomy 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000004053 dental implant Substances 0.000 description 4
- 210000000214 mouth Anatomy 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241001014327 Anodontia Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 240000009023 Myrrhis odorata Species 0.000 description 1
- 235000007265 Myrrhis odorata Nutrition 0.000 description 1
- 235000012550 Pimpinella anisum Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 206010002583 anodontia Diseases 0.000 description 1
- 230000005212 anodontia Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000011164 ossification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Dental Prosthetics (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a kind of implanting body of artificial tooth, implanting body of artificial tooth system and implantation methods.Manual tooth planting's external surface is provided with screw thread, described planting body two ends are respectively neck and head, helical form self tapping groove it is provided with on the outer surface of described head, the hand of spiral of described helical form self tapping groove is identical with hand of thread spiral, and the lead angle of described helical form self tapping groove is different from screw thread lift angle.During implanting body of artificial tooth of the present invention plantation reasonable to the bone tissue cutting force at plantation and extruding force, be prevented effectively from bone injury；The bone bits that implanting body of artificial tooth of the present invention produces during accommodating self tapping, shorten bone healing time；It is prevented effectively from the generation that implanting body of artificial tooth rotates and loosens, and then extends the service life of artificial tooth.
Description
Technical field
The present invention relates to oral cavity medical apparatus technical field, particularly relate to a kind of implanting body of artificial tooth, artificial
Dental implant system and implantation methods.
Background technology
Along with the development of tooth-planting technology, " implant tooth " technology is gradually ripe and stable.Manually
Plant tooth be first titanium artificial tooth root high for biocompatibility is inserted fixing in teeth groove, sew up, and through number
The moon is after the bone stable connection in artificial tooth root with teeth groove, then carries out follow-up artificial tooth installation." implant tooth "
Artificial tooth root be directly combined with bone, be provided that preferably support force, harder food can be carried out nozzle
Chew and very popular.The stability of mid-early stage planting body (root of the tooth) and the later stage in implant tooth process
The fastness that corona, base station are connected with planting body is the key of the final success of tooth-implanting.
In recent years, increasing doctor and patient expect that planting body can load at once, and load can be big at once
Big shorten the course for the treatment of that plantation is repaired, bring patient's function at once and attractive in appearance, how to realize at once loading and just become
For study hotspot in recent years.The primary stability of planting body is the key at once loaded, in terms of planting body
Research focus primarily upon planting body profile, helicitic texture and surface process etc., in addition Bone condensing skill
Art also can improve planting body primary stability, but Bone condensing technology needs to use special osteotomes, greatly
Add greatly operating difficulty and treatment cost.Studies have found that to planting body plus self tapping groove, planting body can be made
Possess self tapping performance, it is not necessary to tapping step, can directly planting body be screwed in the hole got ready, to a certain degree
On can produce Bone condensing effect.At present the structure of self tapping groove many with vertical, skewed slot is common, and slot
Two end faces are plane, and the angle of two planes be 90 ° in the majority.From mechanics and mechanistic in terms of from the point of view of,
Vertically self tapping groove when cutting connecting hole in stress baseset on one wire, produced cutting resistance is big,
It is easy to produce bone burn；And vertically self tapping groove belongs to front clearance structure, the bone produced during self tapping
Bits cannot discharge or accommodate, and makes the corner of vertical self tapping groove occur that stress is concentrated, makes planting body at fluting
Generation micro-crack ftractures, and causes planting unsuccessfully.Although skewed slot and implant axis are to defining certain cutting angle
Degree, causes skewed slot than vertical self tapping groove more Cutting free, but it is special to be limited to the elongated cylindrical structural of planting body
Point, the angle of skewed slot fluting and the length of fluting restrict each other and are unable to reach preferable included angle with preferable
Fluting volume.
Still further aspect, existing base station uses corner, hexagonal and anise to be connected with planting body, this connected mode
Easily occurring that base station and planting body produce micro-rotation, bone tissue healing rate is slow, primary stability it is difficult to ensure that,
And make planting body local occur that stress is concentrated, cause absorption of alveolar bone.The tightest even with central bolt
Gu, owing to planting body is undersized with base station, it is impossible to accomplish fitting together perfectly truly on producing,
Trickle rotation cannot be avoided.When there is trickle rotation, angle type connects the stress in face originally and face
Transmission has reformed into the stress transmission in line and face, when stress is excessive or during long stress accumulation, just holds
Easily cause the rotation of damage and the sex change of junction, planting body and base station, loosen, so that artificial tooth kind
Planting unsuccessfully, all that has been achieved is spoiled.
Summary of the invention
It is an object of the invention to, difficult cutting when planting for above-mentioned existing planting body, cutting force are too high
Bone is caused to burn；The bone bits produced during self tapping cannot discharge or accommodate, and causes manual tooth planting's failure；
Planting body loosens with base station, causes the problem that the tooth-implanting life-span is low, proposes a kind of implanting body of artificial tooth (letter
Claim planting body).During the plantation of this implanting body of artificial tooth, cutting force and extruding force are reasonable, to bone tissue at plantation
Local stress low, effectively reduce or avoid the generation that bone is burnt；Implanting body of artificial tooth energy of the present invention
The bone bits produced during accommodating self tapping, shorten bone healing time；It is prevented effectively from implanting body of artificial tooth to rotate
With loosening generation, and then extend the service life of artificial tooth.
For achieving the above object, the technical solution used in the present invention is: a kind of implanting body of artificial tooth, described
Planting body outer surface is provided with screw thread, and described planting body two ends are respectively neck and head, described head
Helical form self tapping groove, the hand of spiral of described helical form self tapping groove and thread helix side it is provided with on outer surface
To identical, the lead angle of described helical form self tapping groove is different from the lead angle of screw thread.
Further, described self tapping groove is made up of two arc surfaces, and the binding site of two arc surfaces is phase
Cut connection.
Further, described self tapping groove number is two or more, and said two above self tapping groove is distributed on head
The outer surface in portion.
Further, described head is frustum, the bigger diameter end of described head frustum near neck, described head
Portion is arc surface away from one end of neck；Described neck is frustum, and the bigger diameter end of described neck frustum is close
Head.
Further, the degree of depth of described self tapping groove from the miner diameter end of head frustum to the bigger diameter end of head frustum
Gradually become shallower as.
Further, described implant diameter is a length of 4mm-18mm of L, L；Described planting body head
Maximum radius be R, L R be 1.8-3, the radius of described head arc surface be less than 1/2L；Described
The a length of 1/5L-7/10L of self tapping groove, the degree of depth of described self tapping groove is less than 1/2R.
Further, described planting body outer surface thread is asymmetric double thread, asymmetric double thread
Lower limb is 15 °-20 ° with the angle of horizontal plane, preferably 15 °；Top edge with the angle of horizontal plane is
30 °-40 °, preferably 35 °.The pitch of described asymmetric double thread is 1/10L, and the depth of thread is less than
1/5R。
Further, described planting body is provided with connecting hole, and described connecting hole is coaxial with planting body, described
Connecting hole includes the conical bore being coaxially sequentially connected with, quincunx hole, cylindrical hole and tapped blind hole, described circle
Taper hole is near connecting hole openend, and described conical bore is the conical bore meeting Morse's taper；Described quincunx
Hole be cross section be quincuncial through hole.
Another object of the present invention additionally provides a kind of implanting body of artificial tooth system, this implanting body of artificial tooth
System, including implanting body of artificial tooth, base station and central bolt, described base station is provided with and is connected with planting body
The implant linkage section matched in hole, described base station is internally provided with the shoulder hole matched with central bolt,
It is provided with, in described planting body connecting hole, the internal thread matched with central bolt external screw thread.Described central authorities spiral shell
The screw rod of bolt, through the screw-internal thread fit of shoulder hole with planting body, can realize implanting body of artificial tooth, base station
With fixing of central bolt.
Another object of the present invention additionally provides the implantation methods of a kind of implanting body of artificial tooth system, this kind
Plant method step science, simple, can the most effectively realize the plantation of implanting body of artificial tooth system.
For achieving the above object, the technical solution used in the present invention is: a kind of implanting body of artificial tooth system
Implantation methods, comprises the following steps:
Soft tissue is cut by the position needing plantation patient, uses drill to exist through the soft tissue cut
Needing to plant on the alveolar bone of tooth and hole in advance, the diameter in hole is slightly less than planting body external diameter, then by planting body
Until implant neck is equal with bone plane away from one end of head in advances through hole；
The implant linkage section of base station is inserted in the connecting hole of planting body, makes base station implant linkage section and kind
The quincunx post anti-rotation orientation of implant coordinates and cylinder guides and coordinates.
The screw rod of described central bolt, through the screw-internal thread fit of shoulder hole with planting body, can realize artificial
Fixing of tooth implant, base station and central bolt.
Implanting body of artificial tooth of the present invention and implanting body of artificial tooth system architecture are reasonable, compact, this artificial tooth kind
The implantation methods of implanting body system is simple, science, the invention have the advantages that compared with prior art
Planting body the most of the present invention is during screwing in, and self tapping groove anterior angle (miner diameter end) comes into contact with bone tissue,
Laddering incision makes cutting force and extruding force more reasonable, and the power of all directions more equalizes, it is ensured that planting of planting body
Entering precision, effectively avoid and cause difficult cutting because cutting force is too low, cutting force is too high causes bone to burn
Situation.According to mechanics principle, spiral groove screw tap 30%-50% faster than the cutting speed of vertical slots screw tap,
Helical form self tapping groove of the present invention be arranged on the cutting speed that improve planting body to a certain extent.The present inventor
When work tooth implant screws in, cutting edge screws in successively, concentrates on single line different from vertical self tapping groove cutting edge,
It is smaller that planting body of the present invention rotates vibration, it is not easy to stuck.The distinctive rear chip removal of helical form self tapping groove
Feature, had both been avoided that bone bits were piled up build-up of pressure and increased the risk that alveolar bone is ftractureed, and also can make bone tissue
Produce certain extruding, increase the stability at initial stage.
2. the present invention draws suitable self tapping groove size and tangent the setting of double-arc surface by computer simulation
Meter, the bone bits produced during making it possible to just accommodate self tapping, accelerate knitting, reduce operating procedure,
Reduce patient suffering to realize at once loading.The bone bits produced during avoiding existing planting body self tapping cannot be arranged
Go out or accommodate, thus causing occurring that stress is concentrated in the corner of self tapping groove, making planting body produce at fluting
Micro-crack, causes planting failed situation.
Planting body the most of the present invention uses Morse's cone face (conical bore)+quincunx cylinder (quincunx hole) with base station
Connected mode, and with cylinder (cylindrical hole) spigot surface coordinate.This fit system has higher close
Feng Xing, excellent anti-rotation, accurate polarization and assemble feature smoothly, effectively prevent plantation
The rotation of body and base station and loosening generation, and then add the life-span of tooth-implanting.
Accompanying drawing explanation
Fig. 1 is the front view of implanting body of artificial tooth of the present invention；
Fig. 2 is the stereogram of implanting body of artificial tooth of the present invention；
Fig. 3 is the enlarged drawing of fine thread in Fig. 1；
Fig. 4 is the enlarged drawing of coarse-pitch thread in Fig. 1；
Fig. 5 is the upward view of Fig. 1；
Fig. 6 is the top view of Fig. 1；
Fig. 7 is the three-dimensional exploded view of the artificial dental implant system of the present invention；
Fig. 8 is the structural representation of base station of the present invention；
Fig. 9 is the structural representation of central bolt of the present invention；
Figure 10 is the structural representation of the present invention artificial dental implant system plantation part in the oral cavity.
Detailed description of the invention
The invention discloses a kind of artificial tooth kind that can be widely used in various anodontia implant prostheses process
Implant.Concrete, manual tooth planting's external surface is provided with screw thread, planting body two ends be respectively neck and
Head, the outer surface of head is provided with helical form self tapping groove, the hand of spiral of helical form self tapping groove and spiral shell
The line hand of spiral is identical.The lead angle of helical form self tapping groove is different from the lead angle of screw thread, to prevent
Bone bits are discharged outside planting body by self tapping groove and screw thread, and the lead angle of usual described helical form self tapping groove is more than
The lead angle of screw thread.Self tapping groove of the present invention is the cell body of length direction both ends open, this cell body by
Two arc surface compositions, the binding site of two arc surfaces is tangent connection, and showing as connecting smoothing does not has
Angle that is protruding or that cave in, two arc surface radiuses are different.This self tapping groove is in planting body implantation process
Self tapping function can be realized.The number of self tapping groove of the present invention is two or more, and two or more self tapping groove is distributed on
The outer surface of head, the most adjacent self tapping separation is identical.The described preferred number of self tapping groove is three.This
Bright self tapping groove in the shape of a spiral, makes planting body during screwing in, and self tapping groove anterior angle gradually connects with bone tissue
Touching, make cutting force and extruding force more reasonable, it is to avoid bone injury, helical form fluting is than general fluting more simultaneously
Easily accommodating bone bits, reduce or avoid planting body resistance during gradually screwing in, self tapping groove accommodates bone bits
After can be effectively improved anti-rotation and the stability of planting body.
The head of planting body of the present invention is frustum, and the structure making head is close with natural root of the tooth, plants to improve
The long-time stability of implant.The head frustum conical surface of the present invention is about 70 °-85 ° with the angle of horizontal plane, head
The bigger diameter end of frustum is near neck.Head is arc surface away from one end of neck, and arranging of arc surface can have
The stress of effect ground dispersion head, reduces the damage to cancellous bone.Neck of the present invention is frustum, neck frustum
The conical surface is about 80 °-85 ° with the angle of horizontal plane, and the bigger diameter end of neck frustum is near head, neck frustum energy
Promote the release of BMP (induced osteogenesis albumen), accelerate Integrated implant.It is appreciated that described neck and head
Between be also provided with changeover portion, this changeover portion includes but not limited to cylinder.
The degree of depth of self tapping groove of the present invention gradually becomes to the bigger diameter end of head frustum from the miner diameter end of head frustum
Shallow, in order to realize Bone condensing effect, with bone tissue volume after the volume of self tapping groove of the present invention and screw thread extruding
Unanimously it is advisable.
Set implant diameter of the present invention as L, according to Asian oral environment and operation technique requirement,
The a length of 4mm-18mm of described L.Described planting body head radius maximum radius be R, L R be 1.8-3.
The radius of described head arc surface is less than 1/2L, and the height of described neck frustum is 1/20L-1/10L.
The opening angle of self tapping groove is 90 °-140 °, preferably 120 °, and described self tapping groove was slotted and deeply easily made plantation
Body in use ruptures.The degree of depth of self tapping groove of the present invention is less than 1/2R, to ensure plantation
The structural strength of body.Described self tapping slot length is 0.5R-1.5R, preferably R.Described self tapping groove cambered surface
Radius is 1/2R-1R, preferably 1/2R.
Planting body outer surface thread is asymmetric double thread, described asymmetric refer to screw thread cross section be not
Axisymmetric shape, asymmetric double thread lower limb is 15 °-20 ° with the angle of horizontal plane, preferably 15 °；
Top edge is 30 °-40 ° with the angle of horizontal plane, preferably 35 °.The pitch of described asymmetric double thread
For 1/10L-1/8L, preferably 1/10L, the depth of thread is less than 1/5R.Described exterior is arranged
Fine thread, described head exterior surface is had to be provided with coarse-pitch thread.Fine thread can increase planting body and bone tissue
Contact area, beneficially Level of Alveolar Bone are integrated and can prevent the intrusion of bacterium and pollutant, and coarse-pitch thread can contract
Short operating time.The coarse-pitch thread depth of thread is 2-3 times of the fine thread depth of thread, preferably 2.5 times,
Described coarse-pitch thread is double thread, and helical pitch is the pitch of twice, and this arranges and can effectively shorten operating time.
Planting body is provided with connecting hole, and connecting hole opening is arranged on neck one end away from head, connecting hole
Coaxial with planting body, connecting hole includes the conical bore being coaxially sequentially connected with, quincunx hole, cylindrical hole and spiral shell
Line blind hole.Conical bore is near connecting hole openend, and conical bore is the conical bore meeting Morse's taper；Plum blossom
Shape hole be cross section be quincuncial through hole, its petal number does not limits, preferably hexagonal plum blossom.The present invention
Meeting the angle between bus and the vertical curve of the conical bore of Morse's taper is 10 °-15 °, the degree of depth of conical bore
It is about 2/3rds of quincunx hole depth.Wherein conical bore, quincunx hole can realize and the coordinating of base station；
Cylindrical hole provides cylinder spigot surface for base station；Tapped blind hole and central bolt stud threaded engagement.
Present invention also offers a kind of implanting body of artificial tooth system, this implanting body of artificial tooth system, including people
Work tooth implant, base station and central bolt, implanting body of artificial tooth and base station are fixed by central bolt.Tool
Body ground, base station is provided with the implant linkage section matched with planting body connecting hole, base station be internally provided with
The shoulder hole that central bolt matches, is provided with in planting body connecting hole and matches with central bolt external screw thread
Internal thread, the screw rod of central bolt, through the screw-internal thread fit of shoulder hole and planting body, can realize people
Fixing of work tooth implant, base station and central bolt.
Base station two ends of the present invention are respectively corona linkage section and implant linkage section, corona linkage section and implant even
For wearing gum section in the middle of the section of connecing, corona linkage section is the frustum with two sections of taperings.Described frustum top is (i.e.
One end away from wearing gum section) tapering is 2 °-10 °, preferably 6 °；Frustum bottom is (i.e. near wearing gum section
One end) tapering is 2 °-10 °, preferably 3 °；Two sections, upper and lower aspect ratio is 3:1-2, is preferably
3:1.The top of corona linkage section is axially disposed cutting groove, and this cutting groove not only can position corona,
And play anti-rotation effect.Corona linkage section and the junction wearing gum section are arc transition.Wear gum section bag
Include the frustum being coaxially disposed and the simulation nature gum shape asymmetrical taper seat for aesthetic orthopaedics, root
According to Asian oral environment and operation technique requirement, wear gum section height less than 6mm.Base station diameter is
The diameter of general goal is more than the diameter of planting body.
The implant linkage section of base station matches with the connecting hole of planting body, i.e. the implant linkage section of base station is provided with
Cone, quincunx post and the cylinder matched with planting body conical bore, quincunx hole and cylindrical hole,
The miner diameter end of wherein said cone is connected with quincunx post.The conical bore that base station uses with planting body coordinates,
Conical surface mutually presses close to be formed cold welding effect, is effectively prevented the generation of micro-leakage, eliminates base station and kind
Fine motion between implant, and snap-in force is separated into axially and radially both direction, prevent stress excessive
Collection neutralizes central bolt and fractures.Base station uses quincunx hole anti-rotation to coordinate with planting body, increases contact
Area, improves base station and is connected the stability of fastening with planting body, even if can not under higher stress
Destroy its internal geometry, compare common hexagon by the quincunx connection of mechanical test and connect energy
The stress reducing three ten at least percent is concentrated.Base station uses face of cylinder guiding to coordinate with planting body, it is simple to
Being inserted in planting body by base station, cylindrical edge is provided with fillet, and assembling action can be made more smooth and easy.
Near the taper seat that one end is provided with axis angle is 30 ° of bolt head on central bolt screw rod,
Taper seat coordinates to corresponding taper seat in base station inner step hole, is avoided that formation right angle corner at this cooperation,
The stress reducing corner is concentrated, and increases and is fastenedly connected stability.It is provided with hexagon in central bolt head
Driving hole, it is simple to slewing maneuver central bolt.
Implanting body of artificial tooth of the present invention and implanting body of artificial tooth system are by titanium or other biological compatibility
High metal material is prepared from.
Present invention also offers the implantation methods of a kind of implanting body of artificial tooth system, specifically include following steps:
Soft tissue is cut by the position needing plantation patient, uses drill at needs through the soft tissue cut
Planting and hole in advance on the alveolar bone of tooth, the diameter in hole is slightly less than planting body external diameter, is then screwed in by planting body
Until implant neck is equal with bone plane away from one end of head in hole；
The implant linkage section of base station is inserted in the connecting hole of planting body, makes base station implant linkage section and kind
The quincunx hole anti-rotation orientation of implant coordinates and cylindrical hole guides and coordinates.
The screw rod of central bolt, through the screw-internal thread fit of shoulder hole with planting body, can realize artificial tooth kind
Fixing of implant, base station and central bolt.
Below in conjunction with specific embodiment, the present invention is further described:
Embodiment 1
Fig. 1 is the front view of implanting body of artificial tooth of the present invention；Fig. 2 is the solid of implanting body of artificial tooth of the present invention
Figure；Fig. 3 is the enlarged drawing of fine thread in Fig. 1；Fig. 4 is the enlarged drawing of coarse-pitch thread in Fig. 1；Fig. 5 is Fig. 1
Upward view；Fig. 6 is the top view of Fig. 1.
Implanting body of artificial tooth disclosed in the present embodiment uses pure titanium to make, as it is shown in figure 1, outside this planting body
Surface configuration has screw thread, planting body two ends to be respectively neck 19 and head 18, on the outer surface of head 18
Being provided with helical form self tapping groove 11, the hand of spiral of helical form self tapping groove 11 is equal with the hand of spiral of screw thread
For dextrorotation, the lead angle of helical form self tapping groove 11 is more than the lead angle of screw thread.Self tapping groove 11 is by
One arc surface 111 and the second arc surface 112 are constituted, the first arc surface 111 and the second arc surface 112
Binding site is tangent connection, it is possible to the stress avoiding angle to be recessed at corner is concentrated, and improves planting body
Intensity.The present embodiment head 18 is frustum, and the tapering conical surface of head frustum is about with the angle of horizontal plane
80 °, the bigger diameter end of head 18 frustum is circle near neck 19, head 18 away from one end of neck 19
Cambered surface 10；Neck 19 is frustum, and the bigger diameter end of neck 19 frustum is near head 18.Self tapping groove 11
The degree of depth gradually becomes shallower as to the bigger diameter end of head 18 frustum from the miner diameter end of head 18 frustum, self tapping groove 11
Volume and screw thread extrude after consistent with bone tissue volume.
Self tapping groove 11 number is three as shown in Figure 5, and three self tapping grooves 11 are distributed on the appearance of head 18
Face, the most adjacent self tapping groove 11 spacing is identical.
In the present embodiment, implant diameter L is 10mm.Planting body head 18 radius maximum radius is R,
L R is 2.The radius of head 18 arc surface is less than 1/2L, and the height of neck 19 frustum is 1/15L.
The a length of 1/2L of self tapping groove 11, the opening angle of self tapping groove 11 is 120 °, and self tapping groove 11 degree of depth is little
In 1/2R.
As shown in Figure 3 and Figure 4, planting body outer surface thread is asymmetric double thread, asymmetric double end
Screw thread lower limb is 15 ° with the included angle B of horizontal plane, asymmetric double thread top edge and the folder of horizontal plane
Angle A is 35 °.The pitch of described asymmetric double thread is 1/10L, and the depth of thread is less than 1/5R.
Described exterior is provided with fine thread 13, and head exterior surface is provided with coarse-pitch thread 12.Coarse-pitch thread 12
2.5 times that the depth of thread is fine thread 13 depth of thread.
As shown in Figure 2 and Figure 6, planting body is provided with connecting hole, and connecting hole opening is arranged on neck 19
Away from one end of head 18, connecting hole is coaxial with planting body, and connecting hole includes the circular cone being coaxially sequentially connected with
Hole 14, quincunx hole 15, cylindrical hole 16 and tapped blind hole 17, conical bore 14 is near connecting hole opening
End, conical bore 14 is the conical bore meeting Morse's taper.Meet the bus of the conical bore 14 of Morse's taper
And the angle between vertical curve is 15 °, the degree of depth of conical bore is 2/3rds of quincunx hole depth.
Experiment proves that this implanting body of artificial tooth system initial planting stability and intensity are high, and local stress is little,
Healing time is short, can be prevented effectively from the generation rotating and loosening, and service life is long.
Embodiment 2
Fig. 7 is the three-dimensional exploded view of the artificial dental implant system of the present invention；Fig. 8 is the structure of base station of the present invention
Schematic diagram；Fig. 9 is the structural representation of central bolt of the present invention；Figure 10 is implanting body of artificial tooth system of the present invention
System plants the structural representation of part in the oral cavity.
Present embodiment discloses a kind of implanting body of artificial tooth system, as it is shown in fig. 7, comprises described in embodiment 1
Implanting body of artificial tooth 1, base station 2 and central bolt 3.
As shown in Figure 8, base station 2 two ends are respectively corona linkage section 29 and implant linkage section, corona linkage section
29 and implant linkage section in the middle of for wearing gum section.Corona linkage section 29 is the frustum with two sections of taperings, on frustum
Portion (i.e. away from the one end wearing gum section) tapering is 6 °, frustum bottom (i.e. near the one end wearing gum section) tapering
Being 3 °, two sections, upper and lower aspect ratio is 3:1, and the top of corona linkage section 29 is axially disposed cutting
Groove 20.Corona linkage section 29 and the junction wearing gum section are arc transition.Wear gum section and include coaxially connected cone
Platform 27 and simulation nature gum shape are used for the asymmetrical taper seat 28 of aesthetic orthopaedics, according to Asian mouth
Cavity ring border and operation technique requirement, wear gum section height less than 6mm.Implant linkage section is provided with and planting body 1
Cone 26 (Morse's cone body) that conical bore 14, quincunx hole 15 and cylindrical hole 16 match, plum blossom
Shape post 24 and cylinder 22.The edge of cylinder 22 is provided with fillet 21, and fillet 21 makes assembling action more
Smooth and easy.In addition to avoid producing the situation that error causes base station 2 and planting body 1 to fit together perfectly, base
Platform 2 is quincunx, and post 24 end is provided with chamfering 23.
As it is shown in figure 9, central bolt 3 screw rod 32 bottom is furnished with fastening screw thread 31, screw rod 32 is near head
The taper seat 33 that the one end in portion 34 is provided with axis angle is 30 °, taper seat 33 and base station 2 internal step
In ladder hole, corresponding taper seat coordinates.It is provided with hex wrench hole 35 in central bolt 3 head 34, is used for
Slewing maneuver central bolt 3.
The screw rod 32 of central bolt 3 passes the shoulder hole of base station 2 and the screw-internal thread fit of planting body 1,
Realize the fixing of implanting body of artificial tooth 1, base station 2 and central bolt 3.
As shown in Figure 10, the implantation methods of the present embodiment implanting body of artificial tooth system comprises the following steps: first
Soft tissue 42 is cut by the position that patient needs plantation, uses drill through the soft tissue 42 cut
Holing in advance needing to plant on the alveolar bone 41 of tooth, the diameter outline in hole is less than the external diameter of planting body 1, then
Planting body 1 screwed in hole by instrument until planting body 1 neck 19 is away from one end of head 18 and bone
Plane is equal.Planting body 1 is during screwing in, and self tapping groove 11 anterior angle is organized with alveolar bone 41 and gradually connect
Touching, make cutting force and extruding force more reasonable, it is to avoid bone injury, helical form self tapping groove 11 is than general fluting simultaneously
Being more easy to accommodate bone bits, make planting body 1 not be obstructed during gradually screwing in, self tapping groove 11 accommodates energy after bone bits
Enough it is effectively improved anti-rotation and the stability of planting body.
The implant linkage section of base station 2 is inserted in the connecting hole of planting body 1, it is achieved taper seat seals joins
Closing, quincunx post anti-rotation orientation coordinates and cylinder guides and coordinates, i.e. planting body 1 inner circle taper hole 14
Close with base station Morse's taper cone 26 and, quincunx hole 15 and the quincunx post of base station 24 in planting body 1
Coordinating, in planting body 1, cylindrical hole 16 coordinates with base station 2 cylinder 22.
The screw rod 32 of central bolt 3 passes the shoulder hole of base station 2 and the screw-internal thread fit of planting body 1, i.e.
The fixing of implanting body of artificial tooth 1, base station 2 and central bolt 3 can be realized.
It is appreciated that the present invention is not limited to the implanting body of artificial tooth described in above-described embodiment, artificial tooth kind
Implanting body system and implantation methods, the change of each part dimension, the change of self tapping groove shape, self tapping groove rotation side
To change and the change of the internal connecting hole shape of planting body all within protection scope of the present invention.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to foregoing embodiments, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
The most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make phase
The essence answering technical scheme departs from the scope of various embodiments of the present invention technical scheme.
Claims (8)
1. an implanting body of artificial tooth, described manual tooth planting's external surface is provided with screw thread, described manually
Tooth implant two ends are respectively neck and head, it is characterised in that be provided with on the outer surface of described head
Helical form self tapping groove, the hand of spiral of described helical form self tapping groove is identical with hand of thread spiral, described spiral shell
The lead angle of rotation shape self tapping groove is different from the lead angle of screw thread.
Described helical form self tapping groove is made up of two arc surfaces, and the binding site of two arc surfaces is tangent company
Connect.
Implanting body of artificial tooth the most according to claim 1, it is characterised in that described helical form self tapping groove
Number is two or more, and said two above helical form self tapping groove is distributed on the outer surface of head.
Implanting body of artificial tooth the most according to claim 1, it is characterised in that described head is frustum,
The bigger diameter end of described head frustum is arc surface near neck, described head away from one end of neck；Described
Neck is frustum, and the bigger diameter end of described neck frustum is near head.
Implanting body of artificial tooth the most according to claim 3, it is characterised in that described helical form self tapping groove
The degree of depth gradually become shallower as to the bigger diameter end of head frustum from the miner diameter end of head frustum.
Implanting body of artificial tooth the most according to claim 1, it is characterised in that described implanting body of artificial tooth
The a length of 4mm-18mm of a length of L, L；The maximum radius of described implanting body of artificial tooth head is R, L
R is 1.8-3, a length of 1/5L-7/10L of described self tapping groove, and the degree of depth of described self tapping groove is less than 1/2R.
Implanting body of artificial tooth the most according to claim 5, it is characterised in that described implanting body of artificial tooth
Outer surface thread is asymmetric double thread, described asymmetric double thread lower limb and the angle of horizontal plane
Being 15 °-20 °, the angle of described asymmetric double thread top edge and horizontal plane is 30 °-40 °, described not
The pitch of symmetric double head thread is 1/10L, and the depth of thread is less than 1/5R.
Implanting body of artificial tooth the most according to claim 1, it is characterised in that described implanting body of artificial tooth
Being provided with connecting hole, described connecting hole is coaxial with planting body, and described connecting hole includes coaxially being sequentially connected with
Conical bore, quincunx hole, cylindrical hole and tapped blind hole, described conical bore near connecting hole openend, institute
Stating conical bore is the conical bore meeting Morse's taper；Described quincunx hole be cross section be quincuncial through hole.
8. an implanting body of artificial tooth system, it is characterised in that include claim 1-7 any one institute
Stating implanting body of artificial tooth, base station and central bolt, described base station is provided with and matches with planting body connecting hole
Implant linkage section, described base station is internally provided with the shoulder hole matched with central bolt, described plantation
The internal thread matched with central bolt external screw thread, the screw rod of described central bolt it is provided with in body connecting hole
Screw-internal thread fit through shoulder hole Yu planting body.
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| CN201310581289.6A CN103550004B (en) | 2013-11-18 | 2013-11-18 | Implanting body of artificial tooth and implanting body of artificial tooth system |
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| CN201310581289.6A CN103550004B (en) | 2013-11-18 | 2013-11-18 | Implanting body of artificial tooth and implanting body of artificial tooth system |
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| CN103550004A CN103550004A (en) | 2014-02-05 |
| CN103550004B true CN103550004B (en) | 2016-08-17 |
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| CN105232168B (en) * | 2015-09-30 | 2018-07-03 | 西安九洲生物材料有限公司 | A kind of combined type tooth implant |
| CN107874852B (en) * | 2016-09-29 | 2024-07-23 | 江苏创英医疗器械有限公司 | Self-tapping type dental implant |
| CN106725935A (en) * | 2016-12-23 | 2017-05-31 | 大连三生科技发展有限公司 | Planting body with high content, high stability BMP coatings |
| CN106725937A (en) * | 2016-12-23 | 2017-05-31 | 大连三生科技发展有限公司 | A kind of dentistry implant for being coated with antibacterial peptide layer |
| CN106725930A (en) * | 2016-12-23 | 2017-05-31 | 大连三生科技发展有限公司 | Planting body with BMP/PLA controlled-release coatings |
| CN106693053A (en) * | 2016-12-23 | 2017-05-24 | 大连三生科技发展有限公司 | Implant with BMP-2 slow-release composite coating |
| CN106725931A (en) * | 2016-12-23 | 2017-05-31 | 大连三生科技发展有限公司 | A kind of tooth implant for the bioactivity surface containing antibacterial peptide |
| CN106539627B (en) * | 2016-12-23 | 2019-06-11 | 大连三生科技发展有限公司 | A kind of dental implant of the bioactivity surface containing RGD |
| CN106618767B (en) * | 2016-12-29 | 2023-03-24 | 北京爱康宜诚医疗器材有限公司 | Implant body |
| CN108703813B (en) * | 2018-06-14 | 2024-11-19 | 重庆医科大学附属口腔医院 | Artificial dental implants |
| WO2020000131A1 (en) * | 2018-06-25 | 2020-01-02 | 江苏采纳医疗科技有限公司 | Nutrition syringe cap |
| CN112353514B (en) * | 2020-11-12 | 2024-12-10 | 广东中科安齿生物科技有限公司 | Bone nails for repairing alveolar bone defects |
| CN114712002A (en) * | 2021-01-05 | 2022-07-08 | 上海交通大学医学院附属第九人民医院 | Immediate implant and oral implant for old people |
| CN113180862A (en) * | 2021-06-01 | 2021-07-30 | 烟台航科瑞思医疗科技有限公司 | Dental implant device |
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Inventor after: Zhang Jiuwen Inventor after: Zhang Baorong Inventor after: Li Shan Inventor after: Peng Peng Inventor after: Jiang Zhi Inventor after: Qu Zhe Inventor after: Li Zhenchun Inventor before: Zhang Jiuwen Inventor before: Zhang Baorong Inventor before: Li Shan Inventor before: Peng Peng Inventor before: Jiang Zhi |
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