A kind of Dental ImplantTechnical field
The present invention relates to a kind of Dental Implant.
Background technology
In recent years, Dental Implant technology is developing progressively ripe stable, and Dental Implant reparation is more reliable compared with traditional removable denture reparation, stable and comfortable, and the acceptance of people also improves day by day.
Dental Implant generally comprises implantation body and the base station being arranged in implantation body, the wherein similar screw of implantation body's structure, is first implanted directly into alveolar bone, refills and set base station after forming synosteosis with alveolar bone, after Dental Implant is planted, doctor is further according to practical situation attaching corona on base station. Existing implantation body is for proof strength and service life, the metal materials such as many employing titaniums are made, hardness is considerably beyond the hardness of alveolar bone, easily cause alveolar bone impaired, produce bone resorption etc., and in order to ensure the intensity of implantation body, it is very big that the size of existing implantation body is often done, and undesirably increases the damage to alveolar bone; And, although existing implantation body intensity is significantly high, but still there is certain time limit in its life-span, and in developed country, through 5 years utilization rates of people of tooth-implanting operation more than 90%, within 10 years, utilization rate is about 85%. Implantation body, once damage, or ruptures under external force, and it is very big that it changes difficulty because implantation body with alveolar bone length together with, to take out and need to take out in the lump together with the osseous tissue of surrounding, patient suffering is quite big, spends also not little. Simultaneously because groups of people are to metal allergy, this also makes the use scope of tradition Dental Implant be restricted.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art part, it is provided that a kind of Dental Implant, the plantation chamber made including nonmetallic materials and removable implantation body, longer service life, applicable surface is wider, and operation and maintenance cost are substantially reduced.
One of the technical solution adopted for the present invention to solve the technical problems is:
A kind of Dental Implant, including:
Plantation chamber 10, including cavity 11, this cavity 11 in tubular construction, and adopts and nonmetallic can produce synestotic material with alveolar bone and make; After this plantation chamber 10 is used for implanting alveolar bone, upper end open and cavity 11 produce synosteosis with alveolar bone;
Implantation body 20, it is fixedly sleeved in cavity 11 that the inner surface of described cavity 11 and the outer surface of implantation body 20 are mutually adapted to realize implantation body 20.
In one embodiment: the cavity 11 in described plantation chamber 10 has internal layer and outer layer, outer layer is described nonmetallic can produce synestotic material with alveolar bone and make, and internal layer is that high-strength material is made, and this internal layer and outer layer fixed layer are combined.
In one embodiment: described nonmetallic can to produce synestotic material with alveolar bone be at least one in hydroxyapatite, calcium phosphate, bioceramic or polyurethane; Described high-strength material is at least one in composite Nano resin, glass fibre, quartz fibre or carbon fiber.
In one embodiment: cavity 11 thickness in described plantation chamber 10 be 0.1～2mm and thickness uniform; The outer surface of described plantation chamber 10 cavity 11 is for having bossed matsurface.
In one embodiment: the tubular structure that described cavity 11 is closed for one end, having opening 111 and blind end 112, the diameter of opening 111 is more than the diameter of blind end 112; Implantation body 20 enters to be socketed in cavity 11 from opening 111; The outer surface of cavity 11 is convexly equipped with screw thread, and the pitch of opening 111 screw thread is less than the pitch of blind end 112 screw thread.
In one embodiment: the tubular structure that described cavity 11 is closed for one end, including the Part I linked together and Part II; This Part I is class cylindrical-shaped structure, and the upper port of Part I constitutes the opening of described tubular structure; Part II extends downwardly and inwardly formation one conoid shape structure from Part I lower port periphery, and Part II lower port is closed; The outer surface of Part I is convexly equipped with the helicitic texture that external diameter is consistent, and the outer surface of Part II is convexly equipped with the saw-tooth thread structure that external diameter is up big and down small, and the pitch of Part I screw thread is less than the pitch of Part II screw thread; Implantation body 20 enters from the upper port of Part I to be socketed in cavity 11.
In one embodiment: the inner surface of described plantation chamber 10 cavity 11 is provided with female thread, and the outer surface of described implantation body 20 is provided with external screw thread, it is spirally connected by external screw thread and female thread adaptation and pass through splicing fixedly sleeved in cavity 11 to realize implantation body 20.
In one embodiment: smooth surface within described plantation chamber 10 cavity 11, the smooth outer surface of implantation body 20, fixedly sleeved in cavity 11 to realize implantation body 20 by glueing joint.
In one embodiment: described plantation chamber 10 also includes a fixed body, the outer surface of this fixed body is suitable with the inner surface of cavity 11, and this fixed body is socketed in cavity 11 dismantledly and the top of fixed body is higher than gingiva; After cavity 11 produces synosteosis with alveolar bone, after fixed body removes in cavity 11, thoroughly cleaning cavity 11 is internal, the implantation body 20 of customization is glued in cavity 11.
The two of the technical solution adopted for the present invention to solve the technical problems are:
A kind of using method of Dental Implant, including:
1) plantation chamber 10 is implanted upper end open after alveolar bone;
2), after cavity 11 produces synosteosis with alveolar bone, fixed body is removed in cavity 11;
3) implantation body 20 is glued in cavity 11.
The technical program is compared with background technology, and it has the advantage that
1. traditional metal implants body is one of critical piece of stress, easily abrasion, cracking when long-term stress, affect its service life, and once have and a bit damaging, it is accomplished by whole replacing, Renewal process needs the osseous tissue grown together together with surrounding to take out in the lump, brings huge misery and economic pressures to patient; And the plantation chamber cavity of the present invention adopts nonmetallic materials to make, good biocompatibility, can quickly with alveolar bone generation synosteosis, nonmetallic material can regulate the effect to alveolar bone of the born masticatory force; The bonding mode of plantation chamber and implantation body makes plantation chamber be not easy to damage;Even and if there is breakage, nonmetallic plantation chamber can also be repaired by the mode such as gluing easily, it is not necessary to whole takes out replacing, in the long run, the plantation chamber longer service life of the present invention.
2. implantation body's adaptation of the present invention is socketed in the cavity in plantation chamber, and fixed by the mode such as gluing, even if implantation body is damaged, can also take out in cavity easily and change, therefore compared with conventional art, the present invention to the requirement of the performances such as implantation body's material hardness with regard to relative reduction, the material selection range of such implantation body is bigger, different materials can be selected according to the ability to shoulder economically of different demands, different patient, such as, the patient that alveolar bone condition is good, have certain economic strength just can select the material that better quality is more robust; And alveolar bone condition is more weak or the patient that economic capability is poor can select some hardness material relatively low, inexpensively to do implantation body relatively, Dental Implant can be made equally, even if there is damage in the later stage, mending course is also very convenient, and the suitability of such Dental Implant is higher, range of application is wider; Meanwhile, when material requirements is reduced, it is also possible to select the relatively conventional implantation body less material of hardness, so that the damage of alveolar bone is also little than tradition implantation body.
3. the tooth-implanting operation process of the present invention is simple, and after plantation chamber produces synosteosis, implantation body implants in plantation chamber, can complete in two steps, and owing to the selection face of implantation body's material is wider, it is possible to reduce operation cost; During later maintenance, the words that implantation body damages can directly take out replacing, and plantation chamber is damaged and also can be repaired, and compared with tradition Dental Implant, the Dental Implant of the present invention is also greatly reduced later maintenance difficulty, provides more workover rig meeting to patient.
4., owing to tradition implantation body is just likely to require whole replacing once damage, therefore to increase intensity and service life, the size of tradition implantation body is often done big as far as possible, undesirably increases the damage to alveolar bone; But its long service life of plantation chamber of the present invention and can repairing, therefore need not be very big by being sized for, and be more suitable for the patient that alveolar bone is few, thin.
5. the plantation chamber of the present invention adopts non-metallic material, even if the patient of metal allergy is used as, applicable surface is wider.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the plantation chamber overall appearance schematic diagram of the present invention.
Fig. 2 is implantation body's overall appearance schematic diagram of the present invention.
Fig. 3 is one of plantation chamber schematic perspective view of the present invention.
Fig. 4 is the two of the plantation chamber schematic perspective view of the present invention.
Fig. 5 is the plantation chamber overall appearance schematic diagram of another embodiment of the present invention.
Fig. 6 is implantation body's overall appearance schematic diagram of another embodiment of the present invention.
Fig. 7 is one of plantation chamber schematic perspective view of another embodiment of the present invention.
Fig. 8 is the two of the plantation chamber schematic perspective view of another embodiment of the present invention.
Accompanying drawing labelling: plantation chamber 10, cavity 11, opening 111, blind end 112; Implantation body 20.
Detailed description of the invention
Illustrate present disclosure by the examples below:
Refer to Fig. 1 to Fig. 4, a kind of Dental Implant, including:
Plantation chamber 10, this plantation chamber 10 be used for implanting alveolar bone after upper end open and produce synosteosis with alveolar bone; This plantation chamber 10 includes cavity 11, this cavity 11 is in tubular construction, there is internal layer and outer layer, this internal layer and outer layer fixed layer are combined, outer layer is nonmetallic can produce synestotic material with alveolar bone and make, such as, at least one in hydroxyapatite, calcium phosphate, bioceramic or polyurethane, for producing synosteosis with alveolar bone;At least one that internal layer is in high-strength material such as composite Nano resin, glass fibre, quartz fibre or carbon fiber is made, and has the supporting role of high intensity, it is prevented that cavity 11 deformation is with aging;
Implantation body 20, the inner surface of described cavity 11 is provided with female thread, and the outer surface of described implantation body 20 is provided with external screw thread, is spirally connected by external screw thread and female thread adaptation and pass through splicing fixedly sleeved in cavity 11 to realize implantation body 20; Described splicing is such as adopting dental filling glue implantation body 20 to be bonded together with cavity 11; The material of implantation body 20 can be selected according to practical situation, for instance for titanium.
Among the present embodiment, cavity 11 thickness in described plantation chamber 10 is that 0.3～0.5mm and thickness are uniform, and the stress to reduce cavity 11 is concentrated.
Among the present embodiment, the tubular structure that described cavity 11 is closed for one end, there is opening 111 and blind end 112, the diameter of opening 111 is more than the diameter of blind end 112; Implantation body 20 enters to be socketed in cavity 11 from opening 111; The outer surface of described plantation chamber 10 cavity 11 is for having bossed matsurface, for instance for screw-like, or have irregular projection, it is simple to produce synosteosis with alveolar bone; Among the present embodiment, the outer surface of cavity 11 is convexly equipped with screw thread, and the pitch of opening 111 screw thread is less than the pitch of blind end 112 screw thread, and the different characteristics according to the compact bone of alveolar bone with spongy bone designs respectively, synosteosis can be made to obtain faster tightr.
Among the present embodiment, the concrete structure of described cavity is such as: the tubular structure that cavity 11 is closed for one end, including the Part I linked together and Part II; This Part I is class cylindrical-shaped structure, and the upper port of Part I constitutes the opening of described tubular structure; Part II extends downwardly and inwardly formation one conoid shape structure from Part I lower port periphery, and Part II lower port is closed; The outer surface of Part I is convexly equipped with the helicitic texture that external diameter is consistent, and the outer surface of Part II is convexly equipped with the saw-tooth thread structure that external diameter is up big and down small, and the pitch of Part I screw thread is less than the pitch of Part II screw thread; Implantation body 20 enters from the upper port of Part I to be socketed in cavity 11.
Among the present embodiment, described plantation chamber 10 also includes a fixed body, and the outer surface of this fixed body is suitable with the inner surface of cavity 11, and this fixed body is socketed in cavity 11 dismantledly and the top of fixed body is higher than gingiva; When planting tooth, first fixed body and cavity 11 being implanted upper end open in the lump after alveolar bone, makes cavity 11 produce synosteosis with alveolar bone, in this process, cavity 11 is played and supports and styling by fixed body, also can prevent food debris etc. from falling into cavity 11 and cause inflammation; After cavity 11 produces synosteosis with alveolar bone, by fixed body from after removing in cavity 11, thoroughly cleaning cavity 11 is internal, then it is interior that the implantation body 20 customize according to patient personal considerations is glued to cavity 11.
The actually used mode of the present invention is as follows:
1) plantation chamber 10 is implanted upper end open after alveolar bone;
2), after cavity 11 produces synosteosis with alveolar bone, fixed body is removed in cavity 11;
3) implantation body 20 is glued in cavity 11, completes planting process.
After Dental Implant completes plantation, the corona of customization can be installed in the top of implantation body by doctor further according to practical situation.
Fig. 5 to Fig. 8 is another embodiment of the present invention, and itself and the present embodiment are different in that: smooth surface within described plantation chamber 10 cavity 11, the smooth outer surface of implantation body 20, fixedly sleeved in cavity 11 to realize implantation body 20 by glueing joint;Described splicing is such as adopting dental filling glue implantation body 20 to be bonded together with cavity 11. Certainly, the attaching mode of implantation body 20 and cavity 10 is not limited thereto, and also can adopt other structures, for instance expansion fastening structure etc.
The above, be only present pre-ferred embodiments, therefore can not limit scope of the invention process according to this, and the equivalence namely made according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.