阅读说明：本技术 可拆卸软组织水平种植体和具有其的牙种植体系统 (Detachable soft tissue horizontal implant and dental implant system with same ) 是由 徐牁 李婷 李超群 于 2020-04-23 设计创作，主要内容包括：本发明提供一种可拆卸软组织水平种植体和具有其的牙种植体系统,所述可拆卸软组织水平种植体包括种植体基体与穿龈套环；所述种植体基体包括埋于牙槽骨内的穿骨部,所述穿骨部近端面设置有向近端延伸的穿龈部,所述穿龈部埋于牙龈软组织内；所述穿龈套环为中空结构,可拆卸地套接于所述穿龈部外壁固定位置处。通过将软组织水平种植体设计为可拆卸的种植体基体与穿龈套环的分体式结构,解决了临床中种植体周围炎症清除不便的问题。(The invention provides a detachable soft tissue horizontal implant and a dental implant system with the same, wherein the detachable soft tissue horizontal implant comprises an implant matrix and a transgingival lantern ring; the implant matrix comprises a bone penetrating part embedded in an alveolar bone, a gum penetrating part extending towards the near end is arranged on the near end face of the bone penetrating part, and the gum penetrating part is embedded in gum soft tissue; wear the gum lantern ring and be hollow structure, detachably cup joint in wear gum portion outer wall fixed position department. Through the split type structure of designing soft tissue level planting body for detachable planting body base member and wearing the gum lantern ring, solved in clinical in the peripheral inflammation of planting body clear away inconvenient problem.)

1. The utility model provides a can dismantle soft tissue level planting body which characterized in that: the detachable soft tissue horizontal implant comprises an implant matrix and a gum penetrating lantern ring;

the implant matrix comprises a bone penetrating part, and a gum penetrating part extending towards the near end is arranged on the near end face of the bone penetrating part;

wear the gum lantern ring and be hollow structure, detachably cup joint in wear the outer wall fixed position department of gum portion.

2. The detachable soft tissue level implant of claim 1, wherein: the cross section contour of the gum penetrating portion is a polygonal or key tooth-shaped anti-rotation structure, and the cross section contour shape of the inner wall surface of the gum penetrating lantern ring corresponds to the cross section contour shape of the gum penetrating portion.

3. The removable soft tissue level implant of claim 2, wherein: the gum penetrating part is of a column structure and is retracted inwards relative to the bone penetrating part, an retracting platform is formed between the gum penetrating part and the bone penetrating part, and the gum penetrating lantern ring is abutted to the retracting platform.

4. The removable soft tissue level implant of claim 2, wherein: wear gum portion for conical angle ascending frustum structure, wear gum lantern ring hollow structure with wear gum portion cooperation, the butt in wear gum portion outer wall.

5. The detachable soft tissue level implant of claim 1, wherein: the gum-penetrating lantern ring comprises a main body part and a connecting part arranged on the proximal end face of the main body part, and the connecting part is connected with the implant matrix or the dental crown.

6. The removable soft tissue level implant of claim 5, wherein: the cross-sectional profile of the body portion is circular and has a constant or smoothly increasing outer diameter from the distal end face to the proximal end face of the body portion.

7. The detachable soft tissue level implant of claim 1, wherein: the material of the transgingival lantern ring is biomedical metal or high polymer material, and the surface roughness of the transgingival lantern ring is less than or equal to Ra0.4 mu m.

8. The detachable soft tissue level implant of claim 1, wherein: the surface of the transgingival lantern ring is plated with a coating, the coating is made of biomedical metal or high polymer material, and the roughness of the surface of the coating is less than or equal to Ra0.4 mu m.

9. The detachable soft tissue level implant of claim 7 or 8, wherein: the biomedical metal or polymer material is zirconia, titanium alloy, polyether-ether-ketone, polymethyl methacrylate or a related composite material of the materials.

10. The detachable soft tissue level implant of claim 1, wherein: the bone penetrating part and the gum penetrating part are of an integrated structure, the outer wall surface of the bone penetrating part is provided with threads, and the bone penetrating part and the inside of the gum penetrating part are provided with cavity structures fixedly matched with the dental implant abutment.

11. A dental implant system, characterized in that it comprises a detachable soft tissue level implant according to any one of claims 1 to 10.

Technical Field

The invention relates to the technical field of dental implantation, in particular to a detachable soft tissue horizontal implant and a dental implant system with the same.

Background

Dental implants are required in the dental implant operation process, and generally are divided into soft tissue level implants and bone level implants. The bone horizontal implant is completely embedded under the alveolar bone, the lower part of the soft tissue horizontal implant is embedded under the alveolar bone, the upper part of the soft tissue horizontal implant is embedded in the gum soft tissue, and compared with the bone horizontal implant, the soft tissue horizontal implant can be implanted through one-stage operation, so that the operation is simplified, the treatment complexity is reduced, not only can the bone maintenance be realized, but also the health around the implant is protected.

Disclosure of Invention

The invention aims to provide a detachable soft tissue level implant and a dental implant system with the same, so as to solve the problem of inconvenience in removing inflammation around the implant in clinic.

The invention provides a detachable soft tissue horizontal implant, which comprises an implant matrix and a gum penetrating lantern ring; the implant matrix comprises a bone penetrating part, and a gum penetrating part extending towards the near end is arranged on the near end face of the bone penetrating part; wear the gum lantern ring and be hollow structure, detachably cup joint in wear the outer wall fixed position department of gum portion.

As a further improvement of the invention, the cross-sectional profile of the transgingival part is a polygonal or spline tooth-shaped anti-rotation structure, and the cross-sectional profile shape of the inner wall surface of the transgingival lantern ring corresponds to the cross-sectional profile shape of the transgingival part.

As a further improvement, the gum penetrating part is a cylindrical structure which is retracted inwards relative to the bone penetrating part, an retracting platform is formed between the gum penetrating part and the bone penetrating part, and the gum penetrating collar abuts against the retracting platform.

As a further improvement of the invention, the gum penetrating part is of a frustum structure with an upward conical angle, and the hollow structure of the gum penetrating lantern ring is matched with the gum penetrating part and abuts against the outer wall of the gum penetrating part.

As a further improvement of the invention, the transgingival collar comprises a main body part and a connecting part arranged on the proximal end surface of the main body part, and the connecting part is connected with the implant matrix or the dental crown.

As a further development of the invention, the cross-sectional profile of the body portion is circular and the outer diameter of its cross-sectional profile does not change or increases smoothly from the distal end face to the proximal end face of the body portion.

As a further improvement of the invention, the material of the transgingival collar is biomedical metal or high polymer material, and the surface roughness of the transgingival collar is less than or equal to Ra0.4 μm.

As a further improvement of the invention, the surface of the transgingival collar is plated with a coating, the material of the coating is biomedical metal or high polymer material, and the roughness of the surface of the coating is less than or equal to Ra0.4 μm.

As a further improvement of the invention, the biomedical metal or polymer material is zirconia, or titanium, or a titanium alloy, or polyetheretherketone, or polymethyl methacrylate, or a related composite material of the materials.

As a further improvement of the invention, the bone penetrating part and the gum penetrating part are of an integrally formed structure, the outer wall surface of the bone penetrating part is provided with threads, and the interiors of the bone penetrating part and the gum penetrating part are provided with cavity structures fixedly matched with the dental implant abutment.

In order to achieve the above object, the present invention further provides a dental implant system comprising the above detachable soft tissue level implant.

The invention has the beneficial effects that: the soft tissue horizontal implant is designed into a detachable implant matrix and a split structure of the gum penetrating lantern ring, so that the problem of inconvenience in removing inflammation around the implant in clinic is solved, if inflammation is found, on one hand, after the dental implant abutment is taken down, the gum penetrating lantern ring which is covered with a mycoderm in the gum soft tissue only needs to be pulled out, and the space occupied by the original gum penetrating lantern ring can be scraped without turning over a valve; on the other hand, the implant matrix does not need to be cleaned, and the gum penetrating lantern ring which is clean can be directly replaced on the implant matrix, so that the complicated cleaning and scraping procedure is omitted, and the probability of recurrent inflammation is reduced.

Drawings

Fig. 1 is a schematic view of a soft tissue level implant according to a first embodiment of the present invention.

Fig. 2 is a cross-sectional view of the implant matrix at a-a in fig. 1.

Fig. 3 is a cross-sectional view at B-B in fig. 1.

Fig. 4 is a schematic view of a soft tissue level implant according to a second embodiment of the present invention.

Fig. 5 is a cross-sectional view of the transgingival cuff at a-a in fig. 1.

Fig. 6 is a schematic view of a transgingival collar of a third embodiment of the invention.

Fig. 7 is a schematic view of a transgingival collar of a fourth embodiment of the invention.

Fig. 8 is a schematic view of a transgingival collar of a fifth embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to the detailed description of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

For clarity of presentation of the positions and orientations described in this application, reference is made to the operator of the instrument, with the end proximal to the operator being the proximal end and the end distal from the operator being the distal end.

As shown in fig. 1, an embodiment of the present invention provides a detachable soft tissue level implant comprising an implant base 1 and a transgingival collar 2.

Implant base member 1 is including wearing bone portion 11 of burying in the alveolar bone, it is provided with the gum portion 12 of wearing to the near-end extension to wear bone portion 11 near end face, it buries in the gum soft tissue to wear gum portion 12. Wear gum lantern ring 2 is hollow structure, detachably cup joint in wear 12 outer wall fixed positions of gum portion department.

Therefore, by designing the soft tissue horizontal implant into a detachable implant matrix 1 and a split structure of the gum penetrating lantern ring 2, if inflammation is found, on one hand, after the dental implant abutment is taken down, the gum penetrating lantern ring 2 which is covered with a mycoderm in the gum soft tissue only needs to be pulled out, and the flap turning treatment is not needed, so that the space occupied by the gum penetrating lantern ring 2 can be scraped; on the other hand, the implant matrix 1 does not need to be cleaned, and the gum penetrating lantern ring 2 is directly replaced on the implant matrix 1, so that a complicated cleaning and scraping procedure is omitted, and the probability of recurrent inflammation is reduced.

The outer wall surface of the bone penetrating part 11 is provided with a thread structure 13, and in different embodiments, the thread specification can be adjusted according to implants of different models and sizes, so that the implant base body 1 is firmly connected with the alveolar bone and the contact area is increased.

Further, as shown in fig. 2 and 3, a cavity structure 14 matched with the dental implant abutment is arranged inside the bone penetrating part 11 and the gum penetrating part 12, the dental implant abutment (not shown) is a conventional abutment used in the oral medical field, and a connecting structure such as a cone part, an anti-rotation part and a thread part is sequentially arranged at the joint of the distal end of the dental implant abutment and the cavity structure 14, specific structures are not repeated here, and the cavity structure 14 is tightly connected with the connecting structure, so that the dental implant abutment and the implant base body 1 are fixedly assembled.

Preferably, in the present embodiment, the bone penetrating portion 11 and the gum penetrating portion 12 are integrally formed, so that the strength of the implant base 1 can be ensured, and the service life can be prolonged.

Of course, the connection manner of the bone penetrating part 11 and the gum penetrating part 12 is not limited to this, and in some other embodiments of the present invention, the bone penetrating part 11 and the gum penetrating part 12 may be designed as a split structure, and are tightly connected by a thread or the like, so that the gum penetrating part 12 can be removed for further cleaning when scraping is needed. In other embodiments of the present invention, the bone penetrating part 11 and the gum penetrating part 12 may be designed as a split structure that is integrally connected by welding, gluing, or other methods according to the processing difficulty.

The cross section contour of the gum penetrating part 12 is a polygonal or spline tooth-shaped anti-rotation structure, and the cross section contour shape of the inner wall surface of the gum penetrating lantern ring 2 corresponds to the cross section contour shape of the gum penetrating part 12.

Specifically, as shown in fig. 3, in this embodiment, the cross-sectional profile of the gum penetrating portion 12 is a regular hexagon, which corresponds to the regular hexagon, the cross-sectional profile of the inner wall surface of the gum penetrating sleeve 2 is a regular hexagon, the gum penetrating portion 12 is tightly attached to the gum penetrating sleeve 2, so as to avoid the problems of loosening the crown and the like caused by relative rotation of the gum penetrating sleeve 2 and the gum penetrating portion 12. In other embodiments of the present invention, the cross-sectional profile of the transgingival part 12 and the cross-sectional profile of the inner wall surface of the transgingival collar 2 may be regular octagon, cross-shaped or spline-shaped, so long as relative fixation of the two positions is achieved.

Further, in the present embodiment, the gum penetrating portion 12 is a cylindrical structure, which is retracted inward relative to the bone penetrating portion 11, an retracting platform 15 is formed between the gum penetrating portion 12 and the bone penetrating portion 11, and the gum penetrating collar 2 abuts against the retracting platform 15, so that the position of the gum penetrating collar 2 and the implant base 1 in the axial direction is relatively fixed.

Of course, the structure of the gum penetrating portion 12 is not limited to this, as long as the relative fixation of the position of the gum penetrating collar 2 and the implant base body 1 in the axial direction can be realized, as shown in fig. 4, in another embodiment of the present invention, the gum penetrating portion 12 is a frustum structure with conical upward angles, and the hollow structure inside the gum penetrating collar 2 is matched with the gum penetrating portion 12 and abuts against the outer wall of the gum penetrating portion 12.

As shown in fig. 5, the transgingival collar 2 comprises a main body part 21 and a connecting part 22 extending proximally along a proximal end surface of the main body part 21, wherein the main body part 21 is embedded in soft tissue of gingiva, and a proximal end surface of the connecting part 22 is connected with the implant abutment or crown.

Specifically, in this embodiment, the main body portion 21 is a cone frustum structure with a downward conical angle, so that the gum penetrating lantern ring 2 is convenient to follow-up take out and replace after being embedded into soft gum tissue, and meanwhile, the smooth outer wall without edges can avoid damage to the soft gum tissue.

Of course, the structure of the main body 21 is not limited thereto, and in some other embodiments of the present invention, as shown in fig. 6, the main body 21 is a cylinder structure; alternatively, as shown in fig. 7, the proximal end surface and the distal end surface of the main body 21 are coaxial circles, and the outer wall surface thereof is a smooth curved surface protruding outward; alternatively, as shown in fig. 8, the proximal end surface and the distal end surface of the main body 21 are coaxially circular, and the outer wall surface thereof is a smooth curved surface recessed inward. The cross-sectional profile of the main body 21 is circular, and the outer diameter of the cross-sectional profile of the main body 21 from the distal end surface to the proximal end surface is constant or smoothly increased, so that the gum penetrating collar 2 can be removed and replaced without causing secondary damage to soft gum tissue.

Further, in the present embodiment, the connection portion 22 has a truncated cone structure and is bonded to an abutment or a crown. In other embodiments of the present invention, the connecting portion 22 may be designed to have different structures according to different abutment and crown structures, and is not limited to a truncated cone structure.

In some embodiments of the invention, the material of the transgingival collar 2 is a biomedical metal or polymer material, and the surface roughness of the transgingival collar 2 is less than or equal to Ra0.4 μm.

Preferably, in this embodiment, the material of the transgingival collar 2 is zirconia. On one hand, the transgingival lantern ring 2 with the texture of zirconia can meet the requirement that the surface roughness is less than or equal to Ra0.4 mu m after mechanical processing and sintering, manual grinding is not needed, the cost is reduced, and the quality and the efficiency of products are improved; on the other hand, the zirconia material is white, and when the gum is shrunk, the white zirconia collar embedded in the gum is exposed, and the color of the white zirconia collar is consistent with that of the white crown, so that the artificial tooth is basically not seen, and the aesthetic performance is improved. In other embodiments, the transgingival collar 2 may also be made of titanium, titanium alloy, polyetheretherketone, polymethylmethacrylate, and composites of the above related materials, and the like, wherein the composite may be a multi-layer composite such as titanium alloy and polyetheretherketone, and the like.

In other embodiments of the present invention, the surface of the transgingival collar 2 is coated with a coating, the coating is made of biomedical metal or high polymer materials such as zirconia, titanium alloy, 316L SS, polyetheretherketone, polymethyl methacrylate and related composite materials, and the roughness of the coating surface is less than or equal to Ra0.4 μm.

The installation and replacement process of the soft tissue level implant of the present invention will be described in detail as follows:

in the installation process, a ball drill, a guide drill, a forming drill and the like are sequentially used for forming an alveolar socket with a required structure on an alveolar bone, the implant substrate 1 is installed in the alveolar socket, the bone penetrating part 11 is in threaded connection with the alveolar socket, and the gum penetrating part 12 extends into soft tissue of the gum. Sleeving the gum penetrating lantern ring 2 on the gum penetrating part 12, and then assembling the dental crown and the dental implant abutment with the implant matrix 1 in sequence. The gum inner part 21 is embedded in the soft gum tissue, and the connecting part 22 is abutted with the implant abutment or the dental crown.

After inflammation is discovered, in the replacement process, the dental crown, the dental implant abutment and the gum penetrating lantern ring 2 are sequentially taken down, so that the originally occupied space of the gum penetrating lantern ring 2 is exposed, and the gum penetrating lantern ring can be cleaned and treated without flap turning treatment. After cleaning, the new gum penetrating lantern ring 2 is replaced, and the dental implant abutment and the dental crown are assembled back.

In conclusion, the soft tissue horizontal implant is designed into a detachable implant matrix and a split structure of the gum penetrating lantern ring, so that the problem of inconvenience in removing inflammation around the implant in clinic is solved, for example, inflammation is found, on one hand, after the dental implant abutment is taken down, the gum penetrating lantern ring which is fully covered with a mycoderm in gum soft tissue is only required to be pulled out, and the space occupied by the gum penetrating lantern ring can be scraped without turning over a valve; on the other hand, the implant matrix 1 does not need to be cleaned, and the gum penetrating lantern ring is directly replaced on the implant matrix, so that a complicated cleaning and scraping procedure is omitted, and the probability of recurrent inflammation is reduced.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and is not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention are included in the scope of the present invention.