Dental drill for removing alveolar bone around implant

Abstract

The utility model provides a dental drill for removing alveolar bones around an implant. The dental drill comprises a connecting rod, a flat bone drill and a guide post, the guide post is connected to the connecting rod through the flat bone drill, and a transition part is arranged between the guide post and the flat bone drill; the transition part is of an inverted circular truncated cone structure, and a transition cutting edge is arranged on the transition part; the connecting rod is used for being connected with a mobile phone, the flat bone drill is used for removing bone tissues, and the guide column is used for being in guide fit with a dental implant. According to the utility model, redundant tissues blocked at the upper part of the implant can be effectively removed, a cuff shape matched with a later-stage abutment and a dental crown is formed, the operation difficulty of medical personnel is reduced, the pain of a patient is reduced, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of dental implants, in particular to a dental drill for removing alveolar bones around implants. Background Art

[0002] Currently, flat bone drills are mostly used to remove excess tissue on the top of implants in the industry. However, flat bone drills have some disadvantages: they cannot form a cuff (cone) shape that is suitable for the later abutment and crown; they cannot be positioned, which can easily damage other tissues of the patient and cause unnecessary trauma; the operation is difficult and is a test for inexperienced medical staff. Utility Model Content

[0003] In view of this, the utility model aims to provide a dental drill for removing alveolar bone around an implant, which can effectively remove excess tissue that obstructs the upper part of the implant, making the implant surgery smoother.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A dental drill for removing alveolar bone around an implant, comprising a connecting rod, a flat bone drill and a guide column;

[0006] The guide column is connected to the connecting rod through a flat bone drill, wherein a transition portion is provided between the guide column and the flat bone drill;

[0007] The transition portion is in an inverted truncated cone structure, and a transition cutting edge is provided on the transition portion;

[0008] The connecting rod is used for connecting with a mobile phone, the flat bone drill is used for removing bone tissue, and the guide column is used for guiding and cooperating with a dental implant.

[0009] Furthermore, the connecting portion is provided with an annular groove, and one side of the connecting portion is provided with a right-angle notch, and the width of the right-angle notch is equal to the width of the annular groove.

[0010] Furthermore, the flat bone drill is provided with four flat bone cutting edges, and cutting grooves are formed between the two flat bone cutting edges; the cutting grooves form a first cutting surface and a second cutting surface;

[0011] The No. 1 cutting surface is an arc-shaped surface, and the No. 2 cutting surface is a plane; the No. 1 cutting surface is perpendicular to the No. 2 cutting surface.

[0012] Furthermore, a stepped cutting surface is provided at the bottom of the first cutting surface.

[0013] Furthermore, a first cutting surface and a second cutting surface of the same structure are also formed in the second cutting groove adjacent to the first cutting groove; a cutting edge is formed between the first cutting surface of the first cutting groove and the second cutting surface of the second cutting groove; the surface formed at the bottom of the cutting edge is the bottom cutting surface;

[0014] The edge line a on the side of the bottom cutting surface close to the step cutting surface is a straight line, and the edge line b on the side away from the step cutting surface is an arc line.

[0015] Furthermore, the transition portion is provided with four transition cutting edges, and each transition cutting edge is in the same plane as the second cutting surface of the cutting groove.

[0016] Furthermore, the guide column is a cylindrical structure, and the end of the guide column is spherical; a step structure is formed between the guide column and the transition portion.

[0017] Furthermore, an annular groove is provided at one end of the connecting rod close to the flat bone drill.

[0018] Furthermore, the ratio of the length of the flat bone drill, the length of the transition portion and the length of the guide column is 41:10:14.

[0019] Compared with the prior art, the dental drill for removing alveolar bone around an implant described in the utility model has the following advantages:

[0020] (1) The utility model provides a dental drill for removing alveolar bone around an implant. After the implant is implanted, a guide post at the lower end of the dental drill is inserted into the implant to play a guiding role, and the dental drill will not move randomly to cause unnecessary trauma to the patient.

[0021] (2) The utility model discloses a dental drill for removing alveolar bone around an implant, which is drilled to the bottom and forms a cuff (truncated cone) shape suitable for a base and a crown in the later stage.

[0022] (3) The utility model is a dental drill for removing alveolar bone around implants. Since the gap between the cutting edges for removing excess bone tissue is large, bone powder can be effectively collected. It is accurate and efficient, reduces the difficulty of operation for medical staff, reduces the pain of patients, and improves the efficiency of surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0024] Figure 1 A front view of a dental drill for removing alveolar bone around an implant according to an embodiment of the utility model;

[0025] Figure 2 A bottom view of a dental drill for removing alveolar bone around an implant according to an embodiment of the utility model;

[0026] Figure 3 A partial enlargement of a dental drill for removing alveolar bone around an implant according to an embodiment of the utility model Figure 1 ;

[0027] Figure 4 A partial enlargement of a dental drill for removing alveolar bone around an implant according to an embodiment of the utility model Figure 2 .

[0028] Description of reference numerals:

[0029] 1. Connecting rod; 2. Flat bone drill; 21. No. 1 cutting surface; 22. No. 2 cutting surface; 23. Step cutting surface; 24. Bottom cutting surface; 3. Guide column; 4. Transition part. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0031] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0033] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0034] A dental drill for removing alveolar bone around an implant, such as Figure 1-Figure 4 As shown, it includes a connecting rod 1, a flat bone drill 2 and a guide column 3;

[0035] The guide column 3 is connected to the connecting rod 1 through the flat bone drill 2, wherein a transition portion 4 is provided between the guide column 3 and the flat bone drill 2;

[0036] The transition portion 4 is an inverted truncated cone structure, which is called a cuff structure in the industry, and can form a cuff shape suitable for the base and the crown in the later stage; a transition edge is provided on the transition portion 4;

[0037] The connecting rod 1 is used for connecting with a mobile phone, the flat bone drill 2 is used for removing bone tissue, and the guide column 3 is used for guiding and cooperating with a dental implant.

[0038] The guide post 3 is inserted into the implant to play a guiding role and will not move randomly to cause unnecessary trauma to the patient.

[0039] Preferably, the connecting portion is provided with an annular groove, and one side of the connecting portion is provided with a right-angle notch, and the width of the right-angle notch is equal to the width of the annular groove.

[0040] Preferably, the bone flat drill 2 is provided with four bone flat cutting edges, and a cutting groove is formed between two of the bone flat cutting edges; the cutting groove forms a first cutting surface 21 and a second cutting surface 22;

[0041] The large spacing between the cutting edges can effectively remove excess bone tissue and collect bone powder.

[0042] The first cutting surface 21 is an arc-shaped surface, and the second cutting surface 22 is a plane; the first cutting surface 21 is perpendicular to the second cutting surface 22 .

[0043] Preferably, a stepped cutting surface 23 is provided at the bottom of the No. 1 cutting surface 21 .

[0044] Preferably, the second cutting groove adjacent to the first cutting groove also forms a first cutting surface 21 and a second cutting surface 22 of the same structure; a cutting edge is formed between the first cutting surface 21 of the first cutting groove and the second cutting surface 22 of the second cutting groove; the surface formed at the bottom of the cutting edge is a bottom cutting surface 24;

[0045] An edge line a of the bottom cutting surface 24 on a side close to the step cutting surface 23 is a straight line, and an edge line b on a side away from the step cutting surface 23 is an arc line.

[0046] Preferably, the transition portion 4 is provided with four transition cutting edges, and each transition cutting edge is in the same plane as the second cutting surface of the cutting groove.

[0047] Preferably, the guide column 3 is a cylindrical structure, and the end of the guide column 3 is spherical; a step structure is formed between the guide column 3 and the transition portion 4.

[0048] Preferably, an annular groove is provided at one end of the connecting rod 1 close to the flat bone drill 2 .

[0049] Preferably, the ratio of the length of the flat bone drill 2, the length of the transition portion 4 and the length of the guide column 3 is 41:10:14.

[0050] This dental drill can effectively remove the excess tissue that blocks the upper part of the implant, forming a cuff shape that is suitable for the base and crown in the later stage. It is accurate and efficient, reduces the difficulty of operation for medical staff, reduces the pain of patients, and improves the efficiency of the operation.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dental drill for removing alveolar bone around an implant, characterized in that: It includes a connecting rod, a flat bone drill and a guide column; The guide column is connected to the connecting rod through a flat bone drill, wherein a transition portion is provided between the guide column and the flat bone drill; the transition portion is an inverted truncated cone structure, and a transition cutting edge is provided on the transition portion; the connecting rod is used to connect with a mobile phone, the flat bone drill is used to remove bone tissue, and the guide column is used to cooperate with the dental implant guide; the flat bone drill is provided with 4 flat bone cutting edges, and a cutting groove is formed between the two flat bone cutting edges; the cutting groove forms a No. 1 cutting surface and a No. 2 cutting surface; the No. 1 cutting surface is an arc surface, and the No. 2 cutting surface is a plane; the No. 1 cutting surface is perpendicular to the No. 2 cutting surface; a step cutting surface is provided at the bottom of the No. 1 cutting surface; in the second cutting groove adjacent to the first cutting groove, a No. 1 cutting surface and a No. 2 cutting surface of the same structure are also formed; a cutting edge is formed between the No. 1 cutting surface of the first cutting groove and the No. 2 cutting surface of the second cutting groove; the surface formed at the bottom of the cutting edge is the bottom cutting surface; the edge line a of the bottom cutting surface close to the step cutting surface is a straight line, and the edge line b on the side away from the step cutting surface is an arc line.

2. A dental drill for removing alveolar bone around an implant according to claim 1, characterized in that: The connecting rod is provided with an annular groove, and one side of the connecting rod is provided with a right-angle notch, and the width of the right-angle notch is equal to the width of the annular groove.

3. A dental drill for removing alveolar bone around an implant according to claim 1, characterized in that: The transition portion is provided with four transition cutting edges, and each transition cutting edge is in the same plane as the second cutting surface of the cutting groove.

4. A dental drill for removing alveolar bone around an implant according to claim 1, characterized in that: The guide column is a cylindrical structure, and the end of the guide column is spherical; a step structure is formed between the guide column and the transition part.

5. A dental drill for removing alveolar bone around an implant according to claim 1, characterized in that: The ratio of the length of the flat bone drill, the length of the transition portion and the length of the guide column is 41:10:14.

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