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

An abutment for posterior tooth implantation

technical field

The utility model relates to the technical field of dental implants, in particular to an abutment for posterior tooth implantation.

Background technique

At present, implant restoration has become a common restoration method for patients with missing teeth, and people are increasingly hoping to obtain a more natural and beautiful restoration effect. In the implant repair process, the implant is placed in the alveolar bone and after it forms osseointegration with the bone tissue, a healing abutment is installed on the implant, and the surrounding soft tissue will grow and heal around the healing abutment, and finally the restoration abutment is used Replace the healing abutment and wear the crown on the restorative abutment to complete the restoration.

The healing abutment will be used in the oral cavity for about 1-12 weeks during the entire implant restoration process. The soft tissue forms a specific cuff around it, which plays a role in soft tissue shaping and prevents food residues and foreign matter debris from entering the implant. , which is conducive to the closure of the surrounding soft tissue; after the restoration abutment is replaced, the restoration abutment maintains the shaping effect of the soft tissue and connects the upper crown. The existing healing abutment and restoration abutment are poor in shaping and supporting the soft tissue, resulting in problems such as black triangles and food impaction after the crown is worn, which affects the aesthetic effect and even causes peri-implantitis .

Utility model content

Therefore, it is necessary to provide an abutment for posterior tooth implantation to solve the problem of poor soft tissue shaping and supporting effects of existing healing abutment and restoration abutment.

In order to achieve the above purpose, the inventor provides an abutment for posterior dental implants, including a gingival area and an implant connection area, the gingival area includes a connected soft tissue shaping area and a bone stabilization area, and the bone stabilization area It is arranged between the implant connection area and the soft tissue shaping area, and the outer peripheral surface of the soft tissue shaping area is a convex curved surface structure;

On the abutment for implantation, on the longitudinal section passing through its mesial-distal diameter direction and the longitudinal section passing through its buccal-lingual diameter direction, through the end point of the bottom of the bone stabilization area to the ipsilateral soft tissue shaping area The included angle between the straight line tangent to the curved surface and the longitudinal geometric centerline of the abutment for implantation is less than 45°.

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

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

Further, the cross-sectional shape of the soft tissue shaping area is a rectangular circle, and its corresponding tooth positions are maxillary first premolars, mandibular first premolars, maxillary second premolars, mandibular second premolars, mandibular second premolars, and mandibular second premolars. One molar and mandibular second molar.

Further, the mesial-distal diameter of the cross-section of the maxillary first premolar, the mandibular first premolar, the maxillary second premolar, and the mandibular second premolar soft tissue shaping area ranges from 3.5 mm to 7.0 mm, The value range of the buccolingual diameter is 4.0mm-8.0mm.

Further, the value range of the mesio-distal diameter of the soft tissue shaping area of the mandibular first molar and the mandibular second molar cross-section is 5.0mm-10.0mm, and the value range of the buccolingual diameter is 4.5mm-9.0mm.

Further, the cross-sectional shape of the soft tissue shaping area is a square circle, and its corresponding tooth position is the maxillary first molar and the maxillary second molar.

Further, the value range of the mesio-distal diameter of the cross-section of the soft tissue shaping area of the maxillary first molar and the maxillary second molar is 4.5mm-10.0mm, and the value range of the buccolingual diameter is 4.5mm-10.0mm.

Further, the angle between the end point of the bottom of the bone stabilization zone and the straight line tangent to the surface of the ipsilateral soft tissue shaping zone and the longitudinal geometric centerline of the implant abutment is 20-45°.

Further, on the longitudinal section passing through the longitudinal geometric centerline of the abutment for implantation, the line tangent to the curved surface of the soft tissue shaping area on the same side from the end point of the bottom of the bone stabilization zone is the same as that of the abutment for implantation. The angle between the longitudinal geometric centerlines of the tables is less than 45°.

Different from the prior art, the above technical solution has the following advantages: In this application, the outer peripheral surface of the soft tissue shaping area 11 is set as a convex curved surface structure, and the outer peripheral surface of the convex curved surface structure provides stronger support for the surrounding soft tissue , A more stable support effect, helps the gums to shape, and avoids black triangles and food impaction after wearing a crown. And on the abutment for implantation, on the longitudinal section passing through its mesial-distal diameter direction and the longitudinal section passing through its buccal-lingual diameter direction, the end point of the bottom of the bone stabilization zone is the same as the curved surface of the ipsilateral soft tissue shaping zone. The included angle between the straight line cut and the longitudinal geometric centerline of the abutment for implantation is less than 45°, which prevents excessive pressure on the soft tissue from the outer peripheral surface of the protruding soft tissue shaping area, thereby avoiding gingival recession and bone absorption.

Description of drawings

Fig. 1 is a three-dimensional view when the cross-section of the soft tissue shaping area of an abutment for posterior tooth implantation in this embodiment is a rectangle;

Fig. 2 is a perspective view of an abutment for posterior tooth implantation in this embodiment when the cross section of the soft tissue shaping area is a rectangle and a circle and an extension area is set;

Fig. 3 is a cross-section of the soft tissue shaping area of an abutment for posterior tooth implantation in this embodiment when the cross section of the soft tissue shaping area is a rectangle;

Fig. 4 is the sectional view of A-A place in Fig. 3;

Fig. 5 is a cross-sectional view of an abutment for posterior tooth implantation in this embodiment, when the cross-section of the soft tissue shaping area is a rectangular circle and an extension area is set;

Fig. 6 is another cross-sectional view of an abutment for implanting posterior teeth in this embodiment;

Fig. 7 is a three-dimensional view when the cross-section of the soft tissue shaping area of the abutment for posterior tooth implantation in this embodiment is a square circle;

Fig. 8 is a perspective view of an abutment for posterior tooth implantation in this embodiment, when the cross section of the soft tissue shaping area is a square circle and an extension area is set;

Fig. 9 is a cross section of the soft tissue shaping area of an abutment for posterior tooth implantation in this embodiment when the cross section of the soft tissue shaping area is a square circle;

Fig. 10 is a schematic diagram of the connection between an abutment for posterior tooth implantation and an implant in this embodiment;

Fig. 11 is a schematic diagram of an abutment for implanting posterior teeth in this embodiment when it is a restoration abutment.

Explanation of reference signs:

a. Longitudinal geometric centerline;

b. A straight line tangent to the surface of the ipsilateral soft tissue shaping area from the end point of the bottom of the bone stabilization area;

c. The mesial-distal diameter direction of the abutment for planting;

d. The direction of the buccal-lingual diameter of the abutment for implantation;

f, the endpoint of the bottom of the bone stabilization zone;

θ, included angle;

11. Soft tissue shaping area;

111. Cross section of soft tissue shaping area;

12. Bone stabilization zone;

13. The outer peripheral surface of the soft tissue shaping area;

2. Implant connection area;

3. Implants;

4. Extension area;

5. Restoration connecting area.

Detailed ways

In order to describe in detail the possible application scenarios, technical principles, specific solutions that can be implemented, goals and effects that can be achieved, etc., the following will be described in detail in conjunction with the listed specific embodiments and accompanying drawings. The embodiments described herein are only used to illustrate the technical solutions of the present application more clearly, so they are only examples, and cannot be used to limit the protection scope of the present application.

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 present application. The word "embodiment" appearing in various positions in the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or relationship with other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, each technical feature mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

Unless otherwise defined, the meanings of the technical terms used herein are the same as those commonly understood by those skilled in the art to which the application belongs; the use of relevant terms herein is only to describe specific embodiments, and is not intended to limit the application .

In the description of this application, the term "and/or" is an expression used to describe the logical relationship between objects, indicating that there may be three relationships, such as A and/or B, which means: there is A, there is B, and There are three situations A and B at the same time. In addition, the character "/" in this article generally indicates that the contextual objects are a logical relationship of "or".

In this application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. Any actual quantitative, primary or sequential relationship.

Without further limitation, in this application, the words "including", "comprising", "having" or other similar expressions are intended to cover a non-exclusive inclusion, and these expressions do not exclude Additional elements may also be present in a process, method, or product that includes the stated elements, so that a process, method, or product that includes a series of elements may include not only those defined elements, but also other elements that are not explicitly listed , or also include elements inherent in such a process, method, or product.

The same as the understanding in the "Examination Guidelines", in this application, expressions such as "greater than", "less than" and "exceeding" are understood to not include the original number; expressions such as "above", "below" and "within" are understood to include This number. In addition, in the description of the embodiments of the present application, "multiple" means more than two (including two), and similar expressions related to "many" are also understood in this way, such as "multiple groups", " many times", etc., unless otherwise expressly and specifically defined.

In the description of the embodiments of the present application, expressions related to space used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", " Left, right, vertical, horizontal, vertical, top, bottom, inner, outer, clockwise, counterclockwise, axial, radial, circumferential, etc. The indicated orientation or positional relationship is based on the specific embodiment or the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the specific embodiment of the application or for the reader’s understanding, rather than indicating or implying that the referred device or component must Having a specific position, a specific orientation, or being constructed or operated in a specific orientation should not be construed as limiting the embodiments of the present application.

Unless otherwise clearly specified or limited, in the description of the embodiments of the present application, terms such as "installation", "connection", "connection", "fixation" and "setting" should be understood in a broad sense. 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; it can be a direct connection, or a Connected indirectly through an intermediary; it may be an internal communication between two elements or an interactive relationship between two elements. Those skilled in the technical field to which the present application belongs can understand the specific meanings of the above terms in the embodiments of the present application according to specific situations.

The abutment for implantation of posterior teeth in this application includes a healing abutment and a restorative abutment for implantation.

Please refer to FIG. 1 to FIG. 11 , an abutment for posterior tooth implantation, including a gingival area and an implant connection area 2, the gingival area includes a connected soft tissue shaping area 11 and a bone stabilization area 12, the bone The stabilization zone 12 is set between the implant connection zone 2 and the soft tissue shaping zone 11, and the outer peripheral surface 13 of the soft tissue shaping zone is a convex curved surface structure;

As shown in Figure 4 and Figure 5, on the abutment for implantation, on the longitudinal section passing through its mesio-distal diameter direction and on the longitudinal section passing through its buccal-lingual diameter direction, through the bottom of the bone stabilization zone The angle θ between the straight line b tangent to the curved surface of the ipsilateral soft tissue shaping area 11 and the longitudinal geometric centerline a of the abutment for implantation is less than 45°;

A central hole of the abutment for implantation is opened on the abutment for implantation of posterior teeth, and the central axis of the center hole of the abutment for implantation coincides with the longitudinal geometric centerline a of the abutment for implantation.

On natural teeth, the transgingival zone refers to the transition zone between the root and crown contours. The transgingival area in implantology is defined as the transition between the implant 3 shoulder and the individually designed crown contour at the gingival margin. Therefore, the contour of the transgingival area is located in the soft tissue from the shoulder of the implant 3 to the gingival margin, and the soft tissue is usually shaped by the healing abutment, and the shaping effect is maintained by the repair abutment.

When the posterior tooth implant abutment is used, it is connected to the implant 3 through the implant connection area 2, usually through a plug-in connection and then matched with a connecting piece. The bone stabilization area 12 is usually set in a cylindrical structure, and the implant connection The region 2 can specifically be a cone-shaped structure, a cylindrical structure or a prismatic structure. The implant connection area 2 and the bone stabilization area 12 can respectively choose structures with different cross-sectional shapes and different cross-sectional sizes. When the implant abutment is placed in the implant 3 for pre-positioning, the implant connection area 2 is inserted into the implant 3, and the The bone stabilization zone 12 remains above the upper end face of the implant 3 .

As shown in Figure 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 greater than the cross-sectional diameter of the implant connection zone 2, as shown in Figure 10, the implant base After the platform is connected to the implant 3, since the cross-sectional diameter of the bone stabilization zone 12 is greater than the cross-sectional diameter 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 bone The boundary between the stable zone 12 and the implant connection zone 2 is located on the upper end surface of the implant 3 .

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

The outer peripheral surface 13 of the soft tissue shaping area refers to the part where the planting abutment faces the soft tissue and is in contact with the soft tissue after the planting abutment is installed on the implant body 3 . The outer peripheral surface 13 of the soft tissue shaping area is convex, which means that any point on the curved surface is set in a direction away from the planting abutment, and the outer peripheral surface 13 of the soft tissue shaping area forms an outward curved surface support. After the table is installed on the implant 3, the outer peripheral surface 13 of the soft tissue shaping area provides support for the surrounding soft tissue. For the shape of the outer peripheral surface 13 of the soft tissue shaping area, the outer peripheral surface of the convex curved surface structure provides better soft tissue surrounding surface than the concave curved outer peripheral surface or the straight outer peripheral surface. Strong supporting force and more stable supporting effect can help the soft tissue to shape. After wearing the crown, it can avoid black triangles and prevent food residues from being lodged between the implant and adjacent teeth.

After the soft tissue shaping area 11 is connected with the bone stabilizing area 12, the soft tissue shaping area 11 and the bone stabilizing area 12 are vertically arranged up and down, and the longitudinal section of the planting abutment passing through its near-distal diameter direction refers to the The longitudinal section taken along the mesial-distal diameter direction c of the abutment, and the longitudinal section through the buccal-lingual diameter direction of the abutment for implantation refers to the longitudinal section along the buccal-lingual diameter direction d of the abutment for implantation. The longitudinal section of the planting abutment passing through its near-distal diameter direction and the longitudinal section of the planting abutment passing through its buccal-lingual diameter direction both pass through the longitudinal geometric centerline a of the planting abutment, and the longitudinal geometric centerline a is The central axis of the center hole of the abutment for implantation.

For other embodiments, on the longitudinal section of the implant abutment passing through the bone stabilization zone 12, the line tangent to the curved surface of the soft tissue shaping zone 11 on the same side from the endpoint f of the bottom of the bone stabilization zone is The included angle between the longitudinal geometric centerlines a of the abutment for implantation is less than 45°. The abutment for implantation in this application is applied to the posterior teeth, and the cross-section 111 of the soft tissue shaping area can be a rectangular circle or a square circle.

As shown in Figure 5, in this embodiment, when the cross-section 111 of the soft tissue shaping area of the planting abutment is a rectangular circle, the longitudinal section of the planting abutment refers to any direction passing through the longitudinal geometric centerline of the planting abutment. A section includes a longitudinal section along the mesial-distal diameter direction of the planting abutment, and a longitudinal section along the buccal-lingual diameter direction of the planting abutment. When the cross-section 111 of the soft tissue shaping area of the abutment for implantation is a square circle, the definition of its longitudinal section refers to the above-mentioned definition for the shape of a rectangle circle.

The end point f of the bottom of the bone stabilization zone means that on the abutment for implantation, on the longitudinal section passing through its mesial and distal diameter direction and on the longitudinal section passing through its buccolingual diameter direction, the bone stabilization zone 12 is far away from the soft tissue plastic. Any one of the two endpoints of the edge of the shape area 11. When the longitudinal section of the planting abutment refers to any section passing through the direction of the longitudinal geometric centerline of the planting abutment, the end point at the bottom of the bone stabilization zone 12 refers to the area on the planting abutment passing through the planting abutment In any section in the direction of the longitudinal geometric centerline, the bone stabilization zone 12 is far away from any one of the two endpoints of the sideline of the soft tissue shaping zone 11 .

The longitudinal section of the abutment for implantation is symmetrical along its longitudinal geometric center line a.

The angle between the end point f of the bottom of the bone stabilization zone and the straight line tangent to the curved surface of the ipsilateral soft tissue shaping zone 11 and the longitudinal geometric centerline a of the implant abutment is less than 45°, which has the beneficial effect of avoiding The outer peripheral surface of the protruding soft tissue shaping area 11 produces excessive pressure on the soft tissue to avoid gingival recession and bone resorption.

In this application, the material of the healing abutment is pure titanium, titanium alloy, zirconia, PEEK or resin, and the material of the restoration abutment is pure titanium, titanium alloy or zirconia.

As shown in Fig. 2 and Fig. 8, in some embodiments, when the abutment for implantation is a healing abutment, the abutment for implantation also includes an extension area 4, and the extension area 4 is arranged in the transgingival area Above, the height of the extension zone 4 is 0-5 mm. The extension area 4 can be customized according to different gingiva thicknesses. For thinner gums, you can choose an implant abutment without extension area 4 or with a lower height of extension area 4. For thicker gums, An abutment for implantation with an extension area 4 can be selected, and the thicker the thickness of the gingiva, the higher the height of the extension area 4 of the abutment for implantation should be.

In the embodiment where the extension area is provided, the extension area 4 is the area formed by the vertical extension of the upper end surface of the soft tissue shaping area 11 upward.

As shown in Figure 11, in some embodiments, when the abutment for implantation is a prosthetic abutment, the abutment for implantation further includes a prosthetic connecting area 5, and the prosthetic connecting area 5 is arranged on the transgingival Above the region, the height of the prosthetic connecting region 5 is 2-10mm. The prosthetic connection area 5 is used to connect with the crown.

In some embodiments, the height of the soft tissue shaping area 11 is 1-4 mm, preferably 2 mm.

In some embodiments, the height of the bone stabilization zone 12 is 0.5-5 mm, preferably 1 mm, 2 mm or 3 mm. According to different bone depths of the implant, implant abutments with different heights of the bone stabilization zone 12 can be selected.

As shown in Fig. 3, in some embodiments, the cross-section 111 of the soft tissue shaping area is in the shape of a rectangular circle, and its corresponding tooth position is the maxillary first premolar, the mandibular first premolar, and the maxillary second premolar. Premolars, mandibular second premolars, mandibular first molars, and mandibular second molars. For maxillary first premolars, mandibular first premolars, maxillary second premolars, mandibular second premolars, mandibular first molars, and mandibular second molars, the soft tissue shaping of the natural teeth corresponding to the abutment for implantation of posterior teeth The shape of the cross-section 111 of the area is closer to the shape of a rectangular circle. Therefore, the maxillary first premolar, the mandibular first premolar, the maxillary second premolar, the mandibular second premolar, the mandibular first molar, and the mandibular second molar The cross-section 111 of the soft tissue shaping area of the abutment for implantation is designed as a rectangle, which can be more realistic and beautiful.

What needs to be supplemented here is that the rectangular circle refers to a rectangular structure with four vertices having the same rounded corners, and each side of which is a convex curve.

In some more embodiments, the value range of the mesial-distal diameter of the soft tissue shaping zone 111 of the maxillary first premolar, the mandibular first premolar, the maxillary second premolar, and the mandibular second premolar 3.5mm-7.0mm, the range of buccal-lingual diameter is 4.0mm-8.0mm.

In some more embodiments, the value range of the mesial-distal diameter of the cross-section 111 of the mandibular first molar and the mandibular second molar soft tissue shaping area is 5.0mm-10.0mm, and the value range of the buccal-lingual diameter 4.5mm-9.0mm.

For the teeth whose cross-section 111 shape of the soft tissue shaping area is rectangular and round, the inventor provides the following specific examples: maxillary first premolars, mandibular first premolars, maxillary second premolars and mandibular second premolars The length data of mesio-distal diameter * buccal-lingual diameter includes the following two groups of data: 4mm*5mm, 5mm*6mm; the length data of the mesio-distal diameter*buccal-lingual diameter of mandibular first molar and mandibular second molar includes the following two groups Data: 7mm*6mm, 8mm*7mm.

As shown in FIG. 9 , in some embodiments, the cross-section 111 of the soft tissue shaping area is in the shape of a square circle, and the corresponding tooth position is the maxillary first molar and the maxillary second molar. For maxillary first molars and maxillary second molars, the shape of the cross-section 111 of the soft tissue shaping area of the natural teeth is closer to a square circle shape. The cross-section 111 of the shape area is designed as a square circle, which can be more simulated and beautiful.

What needs to be supplemented here is that a square circle refers to a square structure with four vertices having the same rounded corners, and each side of which is a convex curve.

In some more embodiments, the mesial-distal diameter of the cross-section 111 of the soft tissue shaping zone of the maxillary first molar and the maxillary second molar is in the range of 4.5mm-10.0mm, and the value of the buccal-lingual diameter is The range is 4.5mm-10.0mm.

For the tooth position where the cross-section 111 of the soft tissue shaping area is a square circle, the inventor provides the following specific embodiment: the length data of the mesial-distal diameter * buccolingual diameter of the maxillary first molar and the maxillary second molar include the following two Group data: 6mm*6mm, 7mm*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 all have a smooth transition.

In some embodiments, the angle between the end point f of the bottom of the bone stabilization zone and the straight line tangent to the curved surface of the soft tissue shaping zone 11 on the same side and the longitudinal geometric centerline a of the implant abutment is 20- 45°.

In some embodiments, the shape of the cross-section 111 of the soft tissue shaping area is a rectangular circle, and the contour line of the cross-section 111 of the soft tissue shaping area is located on within a rectangular outline. More preferably, the arcs at the four corners of the contour line of the cross-section 111 of the soft tissue shaping area are located outside the inner intersecting ellipse of the rectangular outline, and the inner intersecting ellipse of the rectangular outline means that the length of the rectangle is the length of the ellipse. Axis, an ellipse inscribed in the outline of a rectangle with the width of the rectangle as the minor axis of the ellipse.

In some embodiments, the shape of the cross section 111 of the soft tissue shaping area is a square circle, and the contour line of the cross section 111 of the soft tissue shaping area is located at inside the square outline. More preferably, the arcs at the four corners of the contour line of the cross-section 111 of the soft tissue shaping area are located outside the inner perfect circle of the square outline, and the inner perfect circle of the square outline refers to the side length of the square as A circle that is inscribed within the outline of a square by the diameter of a perfect circle.

On a longitudinal section passing through its longitudinal geometric centerline a, a rectangular area is made with the end point of one side of the top of the bone stabilization area 12 and the end point of the same side at the top of the soft tissue shaping area 11 as the diagonal end point, and one side of the rectangle The line is parallel to the longitudinal geometric centerline a, the other side of the rectangle is perpendicular to the longitudinal geometric centerline a, and the diagonal line of the rectangle is defined by the end point on one side of the top of the bone stabilization area 12 and the end point on the same side of the top of the soft tissue shaping area 11, The curve of the outer peripheral surface of the soft tissue shaping area is located in the above-mentioned rectangular area, and the curve of the outer peripheral surface of the soft tissue shaping area is located below the aforementioned diagonal line.

Finally, it should be noted that although the above-mentioned embodiments have been described in the specification text and drawings of the present application, the scope of protection of the patent of the present application cannot be limited thereby. Any technical solution based on the substantive concept of this application, using the equivalent structure or equivalent process replacement or modification of the content recorded in the text and drawings of this application, and directly or indirectly implementing the technical solutions of the above embodiments in Other relevant technical fields, etc., are included in the patent protection scope of this 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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