CN218652082U - Abutment for posterior tooth implantation - Google Patents

Abstract

The utility model relates to a base station for implanting posterior teeth, which comprises a gum penetrating area and an implant connecting area, wherein the gum penetrating area comprises a soft tissue shaping area and a bone stabilizing area which are connected with each other, the bone stabilizing area is arranged between the implant connecting area and the soft tissue shaping area, and the outer peripheral surface of the soft tissue shaping area 11 is of an outward convex curved surface structure; on the base station for implantation, on a longitudinal section passing through the base station for implantation in the near-far radial direction and a longitudinal section passing through the buccal-lingual radial direction, an included angle between a straight line tangent to the end point at the bottom of the bone stabilization area and the curved surface of the soft tissue shaping area on the same side and a longitudinal geometric center line of the base station for implantation is less than 45 degrees. The periphery of the convex curved surface structure provides stronger supporting force and more stable supporting effect for surrounding soft tissues, thereby helping gum shaping, and avoiding generating black triangles and food impaction after the dental crown is worn at the later stage. And this application can prevent that the plastic district periphery of soft tissue of evagination from producing excessive pressure to the gum to avoid gum retraction and bone absorption.

Description

Abutment for posterior tooth implantation

Technical Field

The utility model relates to a technical field of kind implant especially relates to a back tooth is planted and is used base station.

Background

At present, implant repair becomes a common repair mode for a patient with tooth loss, and people increasingly expect a more natural and beautiful repair effect. In the implantation and repair process, the implant is implanted into the alveolar bone and after the implant and bone tissues form bone combination, the healing abutment is arranged on the implant, surrounding soft tissues can grow and heal around the healing abutment, the healing abutment is replaced by the repair abutment, and a crown is worn on the repair abutment to complete the repair.

The healing abutment can be used in the oral cavity for about 1-12 weeks in the whole implantation and repair process, and soft tissues form specific cuffs around the healing abutment, so that the healing abutment plays a role in shaping the soft tissues, prevents food residues, foreign matter fragments and the like from entering an implant and is beneficial to sealing the surrounding soft tissues; after the repair abutment is replaced, the repair abutment maintains the soft tissue shaping effect and is connected with the upper dental crown. The existing healing abutment and the existing repairing abutment have poor shaping and supporting effects on soft tissues, so that the problems of black triangle, food impaction and the like are easily caused after the dental crown is worn, the aesthetic effect is influenced, and even peri-implantitis is caused.

SUMMERY OF THE UTILITY MODEL

Therefore, an abutment for posterior tooth implantation needs to be provided to solve the problems that the existing healing abutment and the existing repairing abutment have poor soft tissue shaping and supporting effects.

In order to achieve the above object, the inventor provides an abutment for posterior tooth implantation, comprising a gum penetrating region and an implant connecting region, wherein the gum penetrating region comprises a soft tissue shaping region and a bone stabilizing region which are connected, the bone stabilizing region is arranged between the implant connecting region and the soft tissue shaping region, and the peripheral surface of the soft tissue shaping region is of a convex curved surface structure;

on the longitudinal section passing through the near-far radial direction of the implant base station and the longitudinal section passing through the buccal-lingual radial direction of the implant base station, an included angle between a straight line tangent to the curved surface of the soft tissue shaping area on the same side from an end point at the bottom of the bone stabilization area and a longitudinal geometric center line of the implant base station is less than 45 degrees.

Further, the height value of the soft tissue shaping area is 1-4mm.

Further, the height value of the bone stabilization zone is 0.5-5mm.

Furthermore, the cross section of the soft tissue shaping area is a rectangular circle, and the corresponding tooth positions are upper jaw first premolar, lower jaw first premolar, upper jaw second premolar, lower jaw first molar and lower jaw second molar.

Furthermore, the values of the near and far middle diameters of the cross sections of the soft tissue shaping areas of the upper jaw first premolar, the lower jaw first premolar, the upper jaw second premolar and the lower jaw second premolar range from 3.5mm to 7.0mm, and the values of the buccal and lingual diameters range from 4.0mm to 8.0mm.

Furthermore, the value range of the near-far middle diameter of the cross section of the soft tissue shaping area of the lower jaw first molar and the lower jaw second molar is 5.0mm-10.0mm, and the value range of the buccal-lingual diameter is 4.5mm-9.0mm.

Further, the cross-sectional shape of the soft tissue shaping region is a square circle, and the corresponding tooth positions are maxillary first molars and maxillary second molars.

Furthermore, the value range of the near-far diameter of the cross section of the soft tissue shaping area of the first molar of the upper jaw and the second molar of the upper jaw is 4.5mm-10.0mm, and the value range of the buccal-lingual diameter is 4.5mm-10.0mm.

Furthermore, the included angle between the straight line tangent from the end point at the bottom of the bone stabilization area to the curved surface of the soft tissue shaping area on the same side and the longitudinal geometric center line of the base station for implantation is 20-45 degrees.

Furthermore, on the base station for implantation, on a longitudinal section passing through a longitudinal geometric center line of the base station for implantation, an included angle between a straight line tangent from an end point at the bottom of the bone stabilization area to the curved surface of the soft tissue shaping area on the same side and the longitudinal geometric center line of the base station for implantation is less than 45 degrees.

Different from the prior art, the technical scheme has the following advantages: set up the peripheral face in soft tissue moulding district 11 into the curved surface structure of evagination in this application, the curved surface structure peripheral face of evagination provides stronger holding power, more stable supporting effect to soft tissue on every side, and the help gum is moulding, after wearing the dental crown, avoids producing black triangle and food and inlays the stopper. And on the base station for planting, on the longitudinal section passing through the direction of the nearly-far middle diameter of the base station for planting and the longitudinal section passing through the direction of the buccal tongue diameter of the base station for planting, an included angle between a straight line tangent to the curved surface of the soft tissue shaping area at the same side from the end point at the bottom of the bone stabilizing area and the longitudinal geometric center line of the base station for planting is less than 45 degrees, so that excessive pressure on the soft tissue by the outer periphery of the convex soft tissue shaping area is prevented, and gingival recession and bone absorption are avoided.

Drawings

FIG. 1 is a perspective view of a soft tissue shaping region of an abutment for posterior tooth implantation according to an embodiment of the present invention, the cross section of which is a rectangular circle;

FIG. 2 is a perspective view of the soft tissue shaping region of the abutment for posterior teeth implantation of the present embodiment, the cross section of which is rectangular and round, and the extension region is provided;

fig. 3 is a cross section of a soft tissue shaping region of an abutment for posterior tooth implantation according to an embodiment of the present invention, when the cross section of the soft tissue shaping region is a rectangular circle;

FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a sectional view of a soft tissue shaping region of an abutment for posterior teeth implantation according to an embodiment of the present invention, the cross section of which is a rectangular circle and in which an extension region is provided;

FIG. 6 is another sectional view of a posterior dental implant abutment according to this embodiment;

FIG. 7 is a perspective view of a soft tissue-shaping region of an abutment for posterior teeth implantation according to an embodiment of the present invention, the cross section of which is a square circle;

FIG. 8 is a perspective view of the soft tissue shaping region of the abutment for posterior tooth implantation of the present embodiment showing a square circle in cross section and an extension region;

fig. 9 is a cross section of a soft tissue shaping region of an abutment for posterior tooth implantation according to the present embodiment, when the cross section of the soft tissue shaping region is a square circle;

FIG. 10 is a view illustrating a connection between an abutment and an implant for posterior dental implantation according to an embodiment of the present invention;

fig. 11 is a schematic view of a posterior dental implant abutment according to the present embodiment as a prosthetic abutment.

Description of reference numerals:

a. a longitudinal geometric centerline;

b. a straight line tangent from the end point at the bottom of the bone stabilization zone to the curved surface of the soft tissue shaping zone on the same side;

c. the near-far pitch diameter direction of the planting base station;

d. the buccal and lingual radial direction of the base station for planting;

f. an end point at the bottom of the bone stabilization zone;

theta, an included angle;

11. a soft tissue shaping region;

111. a cross-section of the soft tissue shaping region;

12. a bone stabilization zone;

13. an outer peripheral surface of the soft tissue shaping region;

2. an implant connection area;

3. an implant;

4. an extension region;

5. a prosthesis attachment area.

Detailed Description

In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations.

Without further limitation, in this application, the use of the phrases "comprising," "including," "having," or other similar expressions, is intended to cover a non-exclusive inclusion, and these expressions do not exclude the presence of additional elements in a process, method, or article that includes the elements, such that a process, method, or article that includes a list of elements may include not only those elements defined, but other elements not expressly listed, or may include other elements inherent to such process, method, or article.

As is understood in the "review guidelines," in this application, the terms "greater than," "less than," "more than," and the like are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

The abutment for posterior tooth implantation in this application includes the healing abutment and the restoration abutment that the implantation used.

Referring to fig. 1 to 11, a posterior dental implant abutment includes a gum penetrating region and an implant connecting region 2, the gum penetrating region includes a soft tissue shaping region 11 and a bone stabilizing region 12 connected to each other, the bone stabilizing region 12 is disposed between the implant connecting region 2 and the soft tissue shaping region 11, and an outer peripheral surface 13 of the soft tissue shaping region is a convex curved surface structure;

as shown in fig. 4 and 5, on the implant abutment, on the longitudinal section passing through the proximal and distal radial directions and on the longitudinal section passing through the buccal and lingual radial directions, the included angle θ between the straight line b tangent to the curved surface of the soft tissue shaping region 11 on the same side from the end point f at the bottom of the bone stabilization region and the longitudinal geometric center line a of the implant abutment is less than 45 °;

the posterior teeth are planted and are provided with a central hole of the base station for planting, and the central axis of the central hole of the base station for planting is superposed with the longitudinal geometric central line a of the base station for planting.

On natural teeth, the transgingival area refers to the transition between the root and the contour of the crown. The transgingival area in oral implantology is defined as the transition between the shoulder of the implant 3 and the contour of the individually designed crown at the gingival margin position. Thus, the transgingival area is contoured within the soft tissue from the shoulder to the gingival margin of the implant 3, typically by shaping the soft tissue through a healing abutment and maintaining the shaping effect through a prosthetic abutment.

When this abutment for posterior teeth is planted uses, be connected with the implant 3 through implant connecting region 2, usually accomplish through bayonet connection deuterogamy connecting piece, bone stabilization zone 12 sets up to cylindric structure usually, and implant connecting region 2 specifically can be round platform column structure, cylindric structure or prismatic structure. The implant connecting area 2 and the bone stabilization area 12 can be respectively selected from structures with different cross-sectional shapes and different cross-sectional sizes, when the base station for implantation is placed in the implant 3 for prepositioning, the implant connecting area 2 is inserted into the implant 3, and the bone stabilization area 12 is kept on the upper end surface of the implant 3.

As shown in fig. 6, for example, when the bone stabilization zone 12 and the implant connection zone 2 are both cylindrical structures, the cross-sectional diameter of the bone stabilization zone 12 is larger than that of the implant connection zone 2, and as shown in fig. 10, after the implant abutment is connected to the implant 3, since the cross-sectional diameter of the bone stabilization zone 12 is larger than that of the implant connection zone 2, after the implant connection zone 2 is inserted into the implant 3, the bone stabilization zone 12 is located above the implant 3, and the boundary between the bone stabilization zone 12 and the implant connection zone 2 is located on the upper end surface of the implant 3.

The purpose of the bone stabilization zone 12 is to avoid excessive stress on the surrounding bone and to effectively reduce bone resorption.

The outer peripheral surface 13 of the soft tissue shaping region is a portion where the implant abutment faces the soft tissue and comes into contact with the soft tissue after the implant abutment is attached to the implant 3. The outer peripheral surface 13 of the soft tissue shaping area protrudes outwards, namely, any point on the curved surface of the soft tissue shaping area faces towards the direction far away from the planting base station, and the outer peripheral surface 13 of the soft tissue shaping area forms an outward curved surface support. For the shape of the outer peripheral surface 13 of the soft tissue shaping area, compared with the inner concave curved outer peripheral surface or the flat outer peripheral surface, the outer peripheral surface of the convex curved surface structure provides stronger supporting force and more stable supporting effect for the surrounding soft tissues, thereby helping the soft tissue shaping, avoiding generating black triangles after wearing the dental crown and avoiding food residues from being embedded between the implant and the adjacent teeth.

After the soft tissue shaping region 11 is connected with the bone stabilizing region 12, the soft tissue shaping region 11 and the bone stabilizing region 12 are vertically and longitudinally arranged, the longitudinal section of the implantation base platform passing through the near-far middle diameter direction refers to the longitudinal section taken along the near-far middle diameter direction c of the implantation base platform, and the longitudinal section of the implantation base platform passing through the buccal-lingual diameter direction refers to the longitudinal section taken along the buccal-lingual diameter direction d of the implantation base platform. The longitudinal section of the planting base platform passing through the near-far radial direction and the longitudinal section of the planting base platform passing through the buccal-lingual radial direction both pass through a longitudinal geometric center line a of the planting base platform, and the longitudinal geometric center line a is a central axis of a central hole of the planting base platform.

In other embodiments, on the longitudinal section of the implant abutment passing through the bone stabilization zone 12, the included angle between the straight line tangent to the end point f at the bottom of the bone stabilization zone and the curved surface of the soft tissue shaping zone 11 on the same side and the longitudinal geometric center line a of the implant abutment is less than 45 °. The abutment for implantation in this application is applied to the back tooth, and its soft tissue plastic district's cross section 111 shape can be rectangular circle or square circle.

As shown in fig. 5, in the present embodiment, when the soft tissue-shaping region cross section 111 of the implantation abutment is a rectangular circle, the longitudinal section of the implantation abutment refers to any section passing through the longitudinal geometric center line direction of the implantation abutment, and includes a longitudinal section taken along the mesial-distal diameter direction of the implantation abutment and a longitudinal section taken along the buccal-lingual diameter direction of the implantation abutment. When the cross section 111 of the soft tissue shaping region of the implant abutment is a square circle, the definition of the longitudinal section refers to the definition of the rectangular circle.

The end point f at the bottom of the bone stabilization zone refers to any one of two end points of a boundary line of the bone stabilization zone 12 far away from the soft tissue shaping zone 11 on a longitudinal section passing through the near-far middle diameter direction and a longitudinal section passing through the buccal-lingual diameter direction of the implant abutment. When the longitudinal section of the implant abutment is any section passing through the longitudinal geometric center line direction of the implant abutment, the end point at the bottom of the bone stabilization zone 12 is any one of two end points of the side line of the bone stabilization zone 12, which is far away from the soft tissue shaping zone 11 on the implant abutment and passes through any section passing through the longitudinal geometric center line direction of the implant abutment.

The longitudinal section of the base station for planting is symmetrical along the longitudinal geometric center line a.

Endpoint f to the tangent straight line of the shaping district 11 curved surfaces of homonymy soft tissue of bone stabilization district bottom with the contained angle between the vertical geometry central line a of base station for the planting is less than 45, and its beneficial effect lies in, avoids 11 periphery in the shaping district of soft tissue of evagination to produce excessive pressure to the soft tissue, avoids gum retraction and bone absorption.

The healing abutment is made of pure titanium, titanium alloy, zirconia, PEEK or resin, and the repairing abutment is made of pure titanium, titanium alloy or zirconia.

In some embodiments, when the implant abutment is a healing abutment, the implant abutment further comprises an extension region 4, the extension region 4 is disposed above the transgingival region, and the height of the extension region 4 is 0-5mm, as shown in fig. 2 and 8. Extension zone 4 can do individualized customization design according to different gum thickness, and to the thinner condition of gum thickness, can select for use not have extension zone 4 or extension zone 4 height lower base station for planting, and to the thicker condition of gum thickness, can select for use the base station for planting that has extension zone 4, and the gum thickness is thicker, then the extension zone 4 height of the base station for planting of chooseing for use should be higher.

In the embodiment of the extension zone, the extension zone 4 is a region formed by extending the upper end surface of the soft tissue shaping zone 11 vertically upward.

As shown in fig. 11, in some embodiments, when the implant abutment is a repair abutment, the implant abutment further includes a prosthesis attachment area 5, the prosthesis attachment area 5 is disposed above the transgingival region, and the prosthesis attachment area 5 has a height value of 2 to 10mm. The prosthesis attachment area 5 is intended to be attached to a crown of a tooth.

In certain embodiments, the soft tissue shaping region 11 has a height value of 1-4mm, preferably 2mm.

In certain embodiments, the height of the bone stabilization zone 12 is 0.5-5mm, preferably 1mm, 2mm, or 3mm. Depending on the different intraosseous depths of the implant, an implant abutment of different height bone stabilization zones 12 may be selected.

In some embodiments, as shown in fig. 3, the soft tissue shaping region has a cross-sectional shape 111 that is a rectangular circle and corresponds to the positions of the upper first premolar, the lower first premolar, the upper second premolar, the lower first molar, and the lower second molar. For the upper jaw first premolar, the lower jaw first premolar, the upper jaw second premolar, the lower jaw first molar and the lower jaw second molar, the cross section 111 of the natural teeth corresponding to the soft tissue shaping area of the abutment for implanting the rear teeth is closer to the shape of a rectangular circle, so that the cross section 111 of the soft tissue shaping area of the abutment for implanting the upper jaw first premolar, the lower jaw first premolar, the upper jaw second premolar, the lower jaw first molar and the lower jaw second molar is designed to be a rectangular circle, and the dental implant can be more simulated and attractive.

It should be noted that the rectangular circle is a rectangular structure with four vertexes having the same rounded angle, and each side line of the rectangular structure is a convex curve.

In certain further embodiments, the mesial-distal diameter of the cross-section 111 of the soft tissue shaping region of the maxillary first premolar, the mandibular first premolar, the maxillary second premolar and the mandibular second premolar ranges from 3.5mm to 7.0mm, and the bucco-lingual diameter ranges from 4.0mm to 8.0mm.

In certain embodiments, the cross-section 111 of the soft tissue shaping region of the mandibular first molar and the mandibular second molar has a mesial-distal diameter in the range of 5.0mm to 10.0mm and a bucco-lingual diameter in the range of 4.5mm to 9.0mm.

For a site with a cross-section 111 of the soft tissue-shaping region shaped as a rectangle, the inventors provide the following specific examples: the data of the mesial-distal diameters and the bucco-lingual diameters of the maxillary first premolar, the mandibular first premolar, the maxillary second premolar and the mandibular second premolar comprise the following two groups of data: 4mm by 5mm,5mm by 6mm; the data of the length of the mesial-distal diameter and the bucco-lingual diameter of the mandibular first molar and the mandibular second molar comprise the following two groups of data: 7mm 6mm,8mm 7mm.

In some embodiments, as shown in figure 9, the soft tissue shaping region 111 has a square circle cross-section and the corresponding teeth positions are maxillary first molars and maxillary second molars. In the maxillary first molar and the maxillary second molar, the cross section 111 of the soft tissue shaping region of the natural teeth is closer to a square circle, so that the cross section 111 of the soft tissue shaping region of the implant abutment for the maxillary first molar and the maxillary second molar can be designed to be a square circle, and the implant abutment can be more simulated and beautiful.

It should be added here that a square circle refers to a square structure with four vertexes having the same round angle, and each side line of the square structure is a convex curve.

In certain further embodiments, the cross-section 111 of the soft tissue shaping region of the maxillary first and second molars has a mesial-distal diameter ranging from 4.5mm to 10.0mm and a bucco-lingual diameter ranging from 4.5mm to 10.0mm.

For a site with a cross-section 111 of the soft tissue-shaping region shaped as a square circle, the inventors provide the following specific examples: the data on the mesio-distal diameter of the maxillary first molar and the maxillary second molar and the length of the bucco-lingual diameter include the following two groups of data: 6mm 7mm.

In some embodiments, the extension zone 4, the soft tissue shaping zone 11, the bone stabilization zone 12 and the implant connecting zone 2 are all rounded off.

In some embodiments, the included angle between the straight line tangent to the curved surface of the ipsilateral soft tissue shaping region 11 from the endpoint f at the bottom of the bone stabilization region and the longitudinal geometric center line a of the implant abutment is 20-45 °.

In certain embodiments, the cross-section 111 of the soft tissue-shaping region is rectangular circular in shape, and the contour of the cross-section 111 of the soft tissue-shaping region lies within a rectangular contour having its mesial-distal diameter and buccal-lingual diameter as sides. More preferably, arcs at four corners of the outline of the cross section 111 of the soft tissue shaping region are located outside the rectangle outline internal cross ellipse, and the rectangle outline internal cross ellipse refers to an ellipse which is inscribed in the rectangle outline and is made by taking the length of the rectangle as the major axis of the ellipse and the width of the rectangle as the minor axis of the ellipse.

In certain embodiments, the cross-section 111 of the soft tissue-shaping region is square circular in shape, and the outline of the cross-section 111 of the soft tissue-shaping region lies within a square outline bounded on its mesial-distal diameter and buccal-lingual diameter. More preferably, arcs at four corners of the contour line of the cross section 111 of the soft tissue shaping region are located outside the square contour internal intersection perfect circle, and the square contour internal intersection perfect circle refers to a circle which is inscribed in the square contour and takes the side length of the square as the diameter of the perfect circle.

On a certain longitudinal section passing through a longitudinal geometric center line a of the bone stabilization zone, a rectangular zone is formed by taking a side end point at the top of the bone stabilization zone 12 and a side end point at the top of the soft tissue shaping zone 11 as diagonal end points, one side line of the rectangle is parallel to the longitudinal geometric center line a, the other side line of the rectangle is perpendicular to the longitudinal geometric center line a, a side end point at the top of the bone stabilization zone 12 and a side end point at the top of the soft tissue shaping zone 11 are taken as diagonal lines of the rectangle, a curve of the outer peripheral surface of the soft tissue shaping zone is positioned in the rectangular zone, and a curve of the outer peripheral surface of the soft tissue shaping zone is positioned below the diagonal lines.

Finally, it should be noted that, although the above embodiments have been described in the text and drawings of the present application, the scope of the patent protection of the present application is not limited thereby. All technical solutions which are generated by replacing or modifying the equivalent structure or the equivalent flow according to the contents described in the text and the drawings of the present application, and which are directly or indirectly implemented in other related technical fields, are included in the scope of protection of the present application.

Claims (10)

1. A base station for posterior tooth implantation comprises a gum penetrating area and an implant connecting area, and is characterized in that the gum penetrating area comprises a soft tissue shaping area and a bone stabilizing area which are connected, the bone stabilizing area is arranged between the implant connecting area and the soft tissue shaping area, and the peripheral surface of the soft tissue shaping area is of a convex curved surface structure;

on the longitudinal section passing through the near-far radial direction of the implant base station and the longitudinal section passing through the buccal-lingual radial direction of the implant base station, an included angle between a straight line tangent to the curved surface of the soft tissue shaping area on the same side from an end point at the bottom of the bone stabilization area and a longitudinal geometric center line of the implant base station is less than 45 degrees.

2. The abutment for posterior dental implantation according to claim 1, wherein: the height value of the soft tissue shaping area is 1-4mm.

3. The abutment for posterior dental implantation according to claim 1, wherein: the height value of the bone stabilization zone is 0.5-5mm.

4. The abutment for posterior dental implantation according to claim 1, wherein: the cross section shape of the soft tissue shaping area is a rectangular circle, and the corresponding tooth positions are upper jaw first premolar, lower jaw first premolar, upper jaw second premolar, lower jaw first molar and lower jaw second molar.

5. The abutment for posterior dental implantation according to claim 4, wherein: the value range of the near-far middle diameter of the cross section of the soft tissue shaping area of the upper jaw first premolar, the lower jaw first premolar, the upper jaw second premolar and the lower jaw second premolar is 3.5mm-7.0mm, and the value range of the buccal-lingual diameter is 4.0mm-8.0mm.

6. The abutment for posterior dental implantation according to claim 4, wherein: the range of the near and far middle diameters of the cross sections of the soft tissue shaping areas of the lower jaw first molar and the lower jaw second molar is 5.0mm-10.0mm, and the range of the buccal and lingual diameters is 4.5mm-9.0mm.

7. The abutment for posterior dental implantation according to claim 1, wherein: the cross sectional shape in plastic district of soft tissue is square circle, and its tooth position that corresponds is the first molar of upper jaw and the second molar of upper jaw.

8. The abutment for posterior dental implantation according to claim 7, wherein: the range of the near-far diameter and the intermediate diameter of the cross section of the soft tissue shaping area of the first molar and the second molar of the upper jaw is 4.5mm-10.0mm, and the range of the buccal-lingual diameter is 4.5mm-10.0mm.

9. The abutment for posterior dental implantation according to claim 1, wherein: the included angle between the straight line tangent from the end point at the bottom of the bone stabilization area to the curved surface of the soft tissue shaping area at the same side and the longitudinal geometric center line of the base station for implantation is 20-45 degrees.

10. The abutment for posterior dental implantation according to claim 1, wherein: on the base station for implantation, on a longitudinal section passing through a longitudinal geometric center line of the base station for implantation, an included angle between a straight line from an end point at the bottom of the bone stabilization zone to the curved surface of the soft tissue shaping zone on the same side and the longitudinal geometric center line of the base station for implantation is less than 45 degrees.

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