CN2216818Y - Hollow and column like combition type artificial teeth for dental implant - Google Patents

Abstract

The utility model relates to hollow and column-shaped combined type artificial teeth for the dental implant, composed of a base body, a neck part, a bridge base and dental retention screws. The base body is a column-shaped body, and the lower end of the side wall of the base body is provided with through holes whose number is from 1 to 2. The neck part can be integrated with the base body; the bridge base comprises three types which can be transformed and connected with the neck part freely. The upper part of the bridge base is provided with a ball body, a cone body and a magnetized body; an included angle which is called alpha is formed between the integral type base body and the neck part. In addition, the external surface of the base body is provided with a biologic coating layer and screw threads. Due to the structure characteristics, the excision quantity of the bone is small in the implant operation; the foreign substance which is left in the bone has small size. The utility model has large contact area with the bone, so the new bone forms an anchor-shaped growing and recovery substance after the teeth for the dental implant are implanted in the human body. The utility model has firm retention and wide range for curing adaptation symptoms, is easy to apply in the operation, and is an ideal teeth for the dental implant.

Description

Hollow columnar combination type dental implant

This utility model belongs to medical embedded equipment, its purposes be by operating mode implantation body is implanted in the anodontia jawbone district and with the neck strong bonded, thereby finish the device that artificial tooth is repaired.

Tooth plantation is as at U.S. Patent application USP4,793,808 and patent families in describe, the result who has been proved to be in clinical practice is gratifying, this The Application of Technology, successful solution many traditional artificial teeth repair in insoluble problem, recovered function that the absence of tooth person chews and attractive in appearance to a great extent, owing to making the directly stressed jawbone of anodontia that makes of jawbone, implantation body continues the atrophy termination, the facial appearance that has also just kept anodontia patient has obtained third generation tooth thus thereby be called the mankind by people.(the first generation, second on behalf of deciduous teeth and permanent teeth) now existing dental implant is as column, lobate, dental implants such as helical form, all the external diameter with implantation body is identical for implantation body's excision bone amount of these shapes, implantation body could be implanted like this, thereby make the damage of bone bed serious, the foreign body volume that stays in the body simultaneously is big, zest leads to the failure greatly easily, existing most of implantation body is that second operation just can be finished the surgical intervention part, doctor and patient all are reluctant to accept, even once the one that is that implantation body also is matrix and abutment is finished in operation, this artificial tooth reparation for different angles can't be carried out, gerontal patient for serious jawbone atrophy repairs difficulty, therefore it is narrow to treat indication, and success rate is low, and operation is complicated.

The purpose of this utility model is that design one cover is fit to growth in the bone, operation is simple, the amount of boning is little, foreign body in vivo is few, with the bone strong bonded, the treatment indication is wide, and the artificial tooth reparation is easy, change implantation body's series easily, make the patient of all absence of tooth recover its masticatory function and attractive in appearance by tooth plantation treatment.

The purpose of this utility model is to realize like this, hollow columnar combination type dental implant, for being installed, artificial tooth provides the device of a firm bone internal fixation, this device is by matrix, cervical region, the abutment that magnetizes, spherical abutment, form with the bipyramid abutment, it is characterized in that base end has hole, a hollow garden, the lower end sidewall has 1-2 through hole, and outer surface can have screw thread and biomaterial coating, matrix and cervical region can be one, and to form angle α be monoblock type implantation body,, abutment magnetizes, spherical abutment, the bipyramid abutment is connected with spiral with cervical region.The hole, hollow garden and the sidewall through hole of hollow columnar dental implant matrix lower end connect, excision bone amount is little, stay a bone post in the hole, garden, the postoperative area of new bone from through hole grow into the hole, garden in the intermedium post form anchor shape ankylose, make tooth plantation matrix maintenance in osseous tissue stable, for most important basis has been created in artificial tooth reparation in future, the biological coating of outer surface and external screw thread can increase the bone contact area, further increase stability, cervical region and matrix are that the design of one is the serious atrophy design of jawbone, once can finish implant operation, the angle of matrix and cervical region aims at front tooth reparation design, three kinds of abutments are connected with any conversion of matrix, can be fit to various absence of tooth patients' needs, have increased the treatment indication.

Major advantage of the present utility model is, the design of matrix circular hole and through hole, overcome on the existing implantation body structure and clinical use excision bone amount and the identical shortcoming and deficiency of implantation body's volume, reached bonded anatomical structure in the suitable bone, reduced the bone injury in the operation to greatest extent, reduce the amount of cutting bone to greatest extent, increased the contact area of implant surface and bone to greatest extent, reduce the volume of the foreign body that stays in the body to greatest extent, reached and made bone and implantation body in the bone bed, form anchor shape ankylose, reach in conjunction with firm, maintenance is stablized the purpose with uniform pressure distribution, is the design of one because matrix and cervical region are arranged, and implant operation once can be finished whole therapeutic processes, patient's misery and doctor's burden have been reduced, the abutment of curved neck implantation body and three kinds of shapes and function is connected, and can be fit to the patient of any absence of tooth, has externally threaded hollow implantation body, be applicable to the patient of serious jawbone atrophy, external screw thread can further increase contact surface and the increase mechanical fixing with bone.Because the above-mentioned feature of implantation body, this implantation body's operation is simple, conforms to the biomechanics requirement, and rational in infrastructure, indication is wide, has satisfied clinical needs to greatest extent on materialogy and in implantation body's design, is the very ideal dental implant of complete sum of a cover.Zoopery and clinical experiment prove that all above-mentioned purpose all reaches, can make the patient of various absence of tooth Really can obtain third generation tooth, recover masticatory function and attractive in appearance, improve human lives's quality.

Concrete structure of the present utility model has following examples and accompanying drawing to provide.

Fig. 1 is according to the overall structure figure that the utility model proposes.

Fig. 2 is the structure chart about the another embodiment that replaces abutment (20) among Fig. 1

Fig. 3 is the structure chart about the another embodiment that replaces abutment (20) among Fig. 1

Fig. 4 is the structure chart about the another embodiment that replaces abutment (20) among Fig. 1

Fig. 5 is the structure chart about the another embodiment that replaces cervical region (5) among Fig. 1

Fig. 6 is the structure chart of the another embodiment that is integrated about matrix among Fig. 1 (4) and cervical region (5)

Fig. 7 is the structure chart of the another embodiment that is integrated about matrix among Fig. 1 (4) and cervical region (5)

Fig. 8 is the structure chart of the another embodiment that is integrated about matrix among Fig. 1 (4) and cervical region (5)

Describe in detail according to concrete apparatus structure and the characteristics that the utility model proposes to Fig. 8 below in conjunction with Fig. 1.

Hollow columnar combination type dental implant, for being installed, artificial tooth provides the device of a firm bone internal fixation, this device is by matrix, cervical region, the abutment that magnetizes, spherical abutment and bipyramid abutment are formed, it is characterized in that base end has hole, a hollow garden, the lower end sidewall has 1-2 through hole, and outer surface can have screw thread and biomaterial coating, and matrix and cervical region can be one, and formation angle α is a monoblock type, the abutment that magnetizes, spherical abutment, the bipyramid abutment is connected with spiral with cervical region, hole, base end hollow garden and sidewall through hole connect mutually, and its outer wall can have screw thread or scribble layer of biological material.Matrix and cervical region can be monoblock type, and angle α is 0 °-25 °, and neck finish is more than 0.2.Matrix length is 6.0-14mm external diameter 3.0-4.5mm.The abutment that magnetizes, spherical abutment, bipyramid abutment can be connected arbitrarily as required with spiral with cervical region and connect, and spheroid is arranged at the abutment top, cone, the body that magnetizes, holddown groove is arranged at cone top.Hole, base end hollow garden when operation, keeps the natural bone post in this hole, reduced the amount of boning, and surgical injury is reduced to greatest extent, and the foreign body volume that stays in the body is reduced, and makes bone contact the healing area with implantation body and increases.Lower end sidewall through hole (3) in the matrix, operation back be in a few days, formed by outer side seam of implant and intermedium post and retouch the shape ankylose, makes the implant fixation.Matrix (4) can scribble bioactive materials with shortening and bone healing time and increase adhesion.Outer surface has screw thread (13), increases mechanical fixing with further increase contact area, and this is suitable for for the bad trouble friend of bone riffling spare.Cervical region (5) surface smoothness is more than 0.2, can make like this surface not fineness less than the bacterial plaque volume, bacterial plaque can not be survived at this, can prevent effectively that soft tissue infection, cervical region from having R and adapting to soft tissue and grow and combine with cervical region under optimal condition.Back taper inner joint (8) is cervical region (5) and abutment back taper 22 close-fitting contact surfaces, it can make, and pressure is more uniform to be distributed in the implantation body, the requirement of these constructor symphysis material resources, monoblock type implantation body (Fig. 6, Fig. 7, Fig. 8) is a kind of special design of (Fig. 1), and promptly matrix (4) is an one with cervical region (5).This design can make operation once finish, and alleviates patient suffering and doctor's burden.Monoblock type implantation body (17), (18) are used for the reparation of lower molar disappearance, and the mandibular bone healing stage is short, can be first-selected.It is to repair design for the artificial tooth of front tooth and special angle specially that angle α between curved longitudinal axis centrage A of neck implantation body (16) of monoblock type and the back taper inner joint longitudinal axis centrage B is 0 °-25 °, this angle has guaranteed that any patient upper and lower denture relation after the artificial tooth reparation is normal, to reach real recovery masticatory function and attractive in appearance, and can do interim artificial tooth immediately at front tooth implant operation hands, can guarantee the attractive in appearance of the phase of repairing.Matrix seals screw (32) can be suitable for reading at knitting phase sealing matrix, cervical region seals screw (33) can be on mucosa healing stage sealing cervical region, these two transition screws (32) and (33) can prevent effectively that tissue from growing into and protecting from infection, the assurance healing stage is finished smoothly, the lower interface screw thread (10) of biconial abutment (20) and cervical region (5) are for spiral is connected, and maintenance is stablized more convenient.Abutment back taper portion (22) forms with cervical region back taper inner joint (8) and closely cooperates, and has increased the absorption of connective stability and power and cooperation again.The holddown groove on bipyramid top (25) can be in case rotate after the artificial tooth reparation and move up and down.When denture retention screw (28) is installed artificial tooth with abutment on interface (26) screw fixed, the artificial tooth of Lian Jieing is very stable like this, replacing makes things convenient for.Spherical abutment (19) bulb can freely be connected with artificial tooth internal fixation snap ring, and this kind connection patient can oneself take off cleaning with artificial tooth at any time, and excellent for oral hygiene difference or full-bridge artificial tooth reparation person is suitable.The medicated cap shape abutment (21) that magnetizes is connected Magnet (12) magnetic and connects with the artificial tooth internal fixation, the artificial tooth reparation is the simplest, economical, make things convenient for.This implantation body adopts and meets the international ISO5832/3 medical titanium alloy manufacturing of " being used for the surgical implant material standard ".

Lower end sidewall through hole 4 matrixes 5 necks 8 back taper inner joint sections 10 abutment lower interface external screw threads 12 connect the curved neck planting body 17 monoblock type planting bodies of magnet 13 matrix external screw threads, 15 matrix external diameters, the 16 monoblock types 21 cap shapes interface 28 denture retention screws 32 matrixes sealing screw 33 necks sealing screw on the spherical abutment 20 bipyramid abutments of abutment 19 22 abutment back taper sections 25 holddown grooves, the 26 bipyramid abutments that magnetizes in 3 matrixes of hole, reference number catalogue 2 base end hollow garden

Claims (5)

1, a kind of hollow columnar combination type dental implant, for being installed, artificial tooth provides the device of a firm bone internal fixation, this installs by matrix (4), cervical region (5), spherical abutment (19), with bipyramid abutment (20), the abutment (21) that magnetizes is formed, and it is characterized in that: matrix (4) end has hole, a hollow garden (2), and the lower end sidewall has 1-2 through hole (3), matrix (4) and cervical region (5) are split and one, and form angle α.

2, hollow columnar combination type dental implant according to claim 1, it is characterized in that matrix (4) end also is provided with hole, hollow garden (2) and mutually connects with through hole (3) on matrix (4) sidewall, matrix (4) outer wall is provided with screw thread and scribbles biomaterial.

3, hollow columnar combination type dental implant according to claim 1 is characterized in that angle α is 0 °-25 ° between matrix (4) and the cervical region (5).

4, according to claim 1,2 described hollow columnar combination type dental implants, matrix (4) length is 6.0-14mm, external diameter 3.0-4.5mm.

5, the aerial void column shape combination type dental implant of stating according to claim 1 is characterized in that, spherical abutment (19), and bipyramid abutment (20), the abutment that magnetizes (21) and cervical region (5) spiral arbitrarily are connected.

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