KR102326667B1 - Method of processing round bar abutment - Google Patents

Abstract

The present invention relates to a method for processing a round bar for abutment processing. The method is for processing a round bar including: a molding main body in which a through portion is formed with a diagonally inclined structure; a fixing head in the upper portion of the molding main body; and a fastening protrusion in the lower portion of the molding main body. The method includes: a first step of forming a connecting hole by perforating the fastening protrusion of the round bar with a first drill having a first drill bit and forming an extension hole by perforating the molding main body so as to communicate with the connecting hole; a second step of forming a vertical extension hole so as to communicate with the through portion by perforating the inside of the molding main body with the first drill bit of the first drill, in which the diameter of the vertical extension hole is made larger than the diameters of the extension hole and the connecting hole; and a third step of forming an inclined guide hole communicating with the vertical extension hole by perforating the molding main body with a second drill bit of a second drill and while extending the through portion in the molding main body after the second step. According to the present invention, the diagonal inclined guide hole is formed such that a fixing screw is guided into the abutment-forming round bar and an end portion of the inclined guide hole is disposed on the back surface of the abutment. As a result, a hole is formed in the back surface of an artificial tooth to be connected to the inclined guide hole and the hole part of the finished artificial tooth is not exposed to the outside. As a result, a satisfactory appearance can be achieved and adhesion and coupling can be effectively enhanced between the abutment and the artificial tooth.

Description

Processing method of round bar for abutment processing { Method of processing round bar abutment }

The present invention relates to a processing method of a round bar for processing an abutment, and more particularly, by forming an oblique guide hole to guide a set screw inside a round bar forming an abutment through the processing method of the abutment. , by disposing the end of the inclined guide hole on the rear surface of the abutment, a hole is formed on the rear surface of the artificial tooth to be connected to the inclined guide hole, and the finished artificial hole part is not exposed to the outside, thereby improving the aesthetics. It relates to a processing method of a round bar for processing an abutment, which can effectively increase the adhesion and bonding strength between the abutment and the artificial tooth.

In general, an implant refers to a substitute that restores lost human tissue. In dentistry, when a tooth is lost, an implant is placed at a location where the root is missing so that the root can be replaced. means a substitute that restores

When these dental implants are adhered to the alveolar bone of the removed natural root site by inserting a fixture, the abutment connecting the crown to the fixture placed in the alveolar bone is assembled, and the abutment is artificially inserted into the abutment. It is widely used as a method of putting on a crown instead of a tooth, and there are screw fastening method (SCRP) and cement method depending on the method of fixing artificial teeth. It is widely operated by making it easy to attach and detach the crown, which is an artificial tooth while securing it.

For example, looking at the conventional Korean Patent Publication No. 10-1445298, the implant fixture implanted in the alveolar bone, the abutment fixed by a screw fastened to the implant fixture body, and the outer surface of the abutment are covered is applied to an abutment for implant having an upper prosthesis, and a screw hole formed inside the upper prosthesis so that the abutment and the upper prosthesis are fastened by mutual screwing, and the abutment on the outer surface of the abutment. In the abutment for implant provided with a screw thread formed to correspond to the screw hole; When the upper prosthesis is screwed to the abutment by providing a groove formed symmetrically left and right at a predetermined position on the upper surface of the abutment, and a protrusion formed on the bottom surface of the upper prosthesis to correspond to the groove, There is proposed an abutment for an implant configured to maintain the same direction as the adjacent teeth in the direction of the inner surface and the outer surface of the upper prosthesis by the mutual concavo-convex coupling of the recess and the protrusion.

However, in the abutment applied to the conventional implant, the hollow hole formed for fastening the screw is formed in a vertical shape along the longitudinal direction of the abutment, and in the process of processing the abutment, the inclined front part is The upper part of the hole is exposed in an incised form. At this time, since a hole must be formed on the front surface of the artificial tooth to be connected to the hole of the abutment for the movement of the screw, there is a problem in that the hole of the artificial tooth is exposed even after finishing treatment, thereby damaging the aesthetics.

In addition, the contact area with the artificial tooth is reduced due to the hole of the slit structure formed on the front surface of the abutment during the processing process, so that there is a problem that the adhesion and bonding force are deteriorated.

The above-described invention refers to the background of the technical field to which the present invention pertains, and does not mean the prior art.

Patent Registration No. 10-1445298 Patent Registration No. 10-1630669

The present invention has been devised to solve the above-mentioned problems of the prior art, and an object of the present invention is to guide a slanted guide hole of an oblique line so that a fixing screw is guided inside a round bar forming an abutment through a processing method of the abutment. By forming a hole so that the end of the inclined guide hole is disposed on the rear surface of the abutment, a hole is formed on the back surface of the artificial tooth to be connected to the inclined guide hole, and the finished hole part of the artificial tooth is not exposed to the outside. An object of the present invention is to provide a processing method of a round bar for processing an abutment, which can improve the feeling and effectively increase the adhesion and bonding force between the abutment and the artificial tooth.

The present invention is an abutment processing round bar for processing a round bar consisting of a forming body having a through part having a structure inclined in an oblique direction therein, a fixing head formed on the upper part of the molding body, and a fastening protrusion formed on the lower part of the molding body As a processing method, a first step of drilling a fastening protrusion of the round bar with a first drill having a first drill bit to form a connection hole, and drilling a molded body to communicate with the connection hole to form an extension hole; By drilling the inside of the molded body with the first drill bit of the first drill to form a vertical expansion hole in communication with the through portion, the diameter of the vertical expansion hole is formed to be larger than the diameter of the extension hole and the connection hole Step 2 and a third step of forming an inclined guide hole in communication with the vertical expansion hole by drilling while expanding the through portion formed in the molding body with a second drill bit of a second drill in the molding body that has undergone the second step characterized by being made.

In addition, the vertical expansion hole is formed to have a larger diameter than the connection hole and the extension hole, and the inclined guide hole is formed to have the same diameter as the vertical expansion hole.

In addition, in the third step, the inclination angle of the inclined guide hole is variably formed according to the standard according to the length and diameter of the vertical extension hole, the inclined guide hole, the extension hole, and the connecting hole of the round bar for each manufacturer.

In addition, after the third step, a fourth step of further forming a tapered guide surface in the extension hole to prevent the fixing screw moving from the vertical extension hole to the extension hole from being caught is further added.

In addition, in the third step, it is characterized in that the inclined guide hole is formed to be curved to prevent the fixing screw moving along the inclined guide hole from being caught or rubbed.

The present invention is a method for processing a round bar for processing an abutment by forming an oblique guide hole in an oblique line to guide a set screw inside the round bar forming the abutment, so that the end of the inclined guide hole is disposed on the rear surface of the abutment, A hole is formed on the back side of the artificial child to be connected to the inclined guide hole, so that the finished hole part of the artificial child is not exposed to the outside, so it is possible to improve the aesthetics, and the adhesion and bonding force between the abutment and the artificial child can be effectively improved. It has the effect of increasing it.

1 to 2 are photographs showing a conventional round bar.
Figure 3 is a perspective view showing a round bar of the processing method of the round bar for abutment processing according to the present invention.
4 to 7 are views showing the processing process of the round bar in the processing method of the round bar for abutment processing according to the present invention.
8 is a cross-sectional view showing the processed state of the round bar in the processing method of the round bar for abutment processing according to the present invention.
9 is a cross-sectional view showing the processing dimensions for each provider of the processing method of the round bar for processing an abutment according to the present invention.
10 is a perspective view showing the state of use of the processing method of the round bar for abutment processing according to the present invention.

Since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment may have various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea.

On the other hand, the meaning of the terms described in the present invention should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected” to another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. Meanwhile, other expressions describing the relationship between elements, that is, “between” and “immediately between” or “neighboring to” and “directly adjacent to”, etc., should be interpreted similarly.

The singular expression is to be understood to include the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the embodied feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

Identifiers (eg, a, b, c, etc.) in each step are used for convenience of description, and the identification code does not describe the order of each step, and each step clearly indicates a specific order in context. Unless otherwise specified, it may occur in a different order from the specified order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms defined in the dictionary should be interpreted as being consistent with the meaning of the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

1 to 2 are photographs showing a conventional round bar. Figure 3 is a perspective view showing a round bar of the processing method of the round bar for abutment processing according to the present invention. 4 to 7 are views showing the processing process of the round bar in the processing method of the round bar for abutment processing according to the present invention. 8 is a cross-sectional view showing the processed state of the round bar in the processing method of the round bar for abutment processing according to the present invention. 9 is a cross-sectional view showing the processing dimensions for each provider of the processing method of the round bar for processing an abutment according to the present invention. 10 is a perspective view showing the state of use of the processing method of the round bar for abutment processing according to the present invention.

As shown in the drawings, the processing method of the round bar for abutment processing according to the present invention (hereinafter, referred to as the processing method of the round bar for processing for convenience of explanation) is a molded body having a through portion 600 having a structure inclined in an oblique direction therein as shown in the drawing. A round bar for processing an abutment for processing a round bar (10) consisting of (20) and a fixing head (30) formed on the upper portion of the molding body (20) and a fastening protrusion (40) formed on the lower portion of the molding body (20) As a processing method of, the processing method of such a round bar is a first step (S1) of forming a connection hole and an extension hole in the round bar, a second step (S2) of forming a vertical expansion hole, and a second step of forming an inclined guide hole It consists of three steps (S3).

The first step (S1) is to form a connection hole 41 by drilling the fastening protrusion 40 of the round bar 10 with a first drill 400 having a first drill bit 410, and the connection hole (41) is a step of forming an extension hole (21) by perforating the end of the molded body (20) in communication.

In the first step (S1), the round bar 10 is processed to form an abutment, and the processed abutment has a lower part connected to the fixture 200 and an artificial tooth is fastened to the upper part.

The round bar 10 is made of a molding body 20, a fixing head 30, and a fastening protrusion 40, and is formed of a metal material. The fixing head 30 and the fastening protrusion 40 are formed integrally with the molding body 20 .

The connection hole 41 and the extension hole 21 of the round bar 10 are formed using a first drill 400 , and are formed by drilling vertically by a first drill bit 410 .

In the second step (S2), the inside of the molding body 20 is drilled with the first drill bit 410 of the first drill 400, and the vertical expansion hole 22 is communicated with the through part 600. ), so that the diameter of the vertical expansion hole 22 is larger than the diameter of the extension hole 21 and the connection hole 41 .

In the second step (S2), the first drill bit 410 of the first drill 400 is inserted through the drilled connection hole 41 and the extension hole 21, and then the molded body 20 The vertical expansion hole 22 is formed in the inside.

The vertical expansion hole 22 is rotated at a predetermined angle while pressing the first drill 400 and is moved in a circle by a first drill bit 410 that is larger than the connection hole 41 and the extension hole 21 . It is possible to form the vertical expansion hole 22 having a large diameter.

The vertical expansion hole 22 is formed to have a larger diameter than the connection hole 41 and the extension hole 21 .

That is, the diameter of the vertical expansion hole 22 is formed to be larger than the diameter of the extension hole 21 so that a locking protrusion is formed inside the molding body 20, thereby being fitted into the molding body 20. After the head of the fixing screw fastened to the fixture 200 is guided to the inclined guide hole 23 and the vertical expansion hole 22 to be described later, it is caught by the locking jaw and fixed.

The third step (S3) is a second drill bit 510 of the second drill 500 by drilling while expanding the through portion 600 formed in the molding body 20, the vertical expansion hole 22 and It is a step of forming the inclined guide hole 23 to communicate.

As shown in FIGS. 6 and 7 , the inclined guide hole 23 is repeatedly cut on the inner side using a second drill to prevent the set screw from being caught during movement.

In the third step (S3), the diameter of the inclined guide hole 23 is the same as that of the vertical expansion hole 22 .

That is, the vertical expansion hole 22 is formed to have the same diameter as the inclined guide hole 23 , so that the fixing screw is guided to the inclined guide hole 23 to move to the vertical expansion hole 22 . do. At this time. By forming the diameter of the inclined guide hole 23 larger than the diameter of the vertical expansion hole 22, it is also possible to prevent the fixing screw from being caught in the process of being moved.

The second drill bit 510 of the second drill 500 may be formed to have a larger diameter than that of the first drill bit 410 , and may be formed to have a smaller diameter.

The extension hole 21, the vertical extension hole 22 and the inclined guide hole 23 are formed in a circular hole structure.

In addition, in the third step ( S3 ), the lower end of the inclined guide hole 23 is formed to communicate with the upper portion of the vertical expansion hole 22 , and the upper end is formed on the outer surface of the molding body 20 .

In the third step (S3), drilling is started from the outer surface of the molded body 20 with the second drill bit 510 of the second drill 500 while communicating the vertical expansion hole 22 formed therein. It expands to form an oblique guide hole 23 of an oblique line.

In the third step (S3), the upper side of the outer surface of the molding body 20 is drilled in an oblique direction to form the inclined guide hole 23 .

That is, when the vertical hole 310 is formed in the form (conventional method) in which the vertical expansion hole 22 is extended inside the conventional molding body 300 without the inclined guide hole 23 as in FIG. 1 , , the upper part of the vertical hole 310 is exposed to the front part in a cut-out form in the process of processing the molding body 300 to form the front part curved or inclined, and the vertical hole of the abutment for the movement of the fixing screw Since the hole 120 has to be formed in the front part 110 of the artificial tooth 100 to communicate with the 310, even after finishing the hole 120 of the artificial tooth 100, it is exposed in the conversation process to harm the aesthetics. There is a problem that the SCRP method is difficult to apply.

In addition, the contact area with the artificial tooth 100 is reduced by the vertical hole 310 of the slit structure formed in the front part of the abutment during the processing process, so that there is a problem that the adhesion and bonding force are reduced.

On the other hand, in the present invention, by forming the inclined guide hole 23 to communicate with the vertical expansion hole 22 and the end of the inclined guide hole 23 is formed on the outer surface of the molding body 20, the molded body In the process of processing (20), the end of the inclined guide hole 23 may be disposed on the rear surface portion 25, and the hole 120 in the rear surface portion 130 of the artificial tooth 100 to communicate with the inclined guide hole 23. ) and finishing the hole of the artificial tooth 100, it is not exposed in the conversation process and has an aesthetic feeling. The front portion 24 of the molding body 20 is formed in a curved oblique shape.

At this time, the inclination angle of the inclined guide hole 23 is in accordance with the standard according to the length and diameter of the vertical extension hole 22, the inclined guide hole 23, the extension hole 21, and the connection hole 41 of the round bar for each manufacturer. By making it variably formed along, the end of the inclined guide hole 23 is positioned on the rear surface 25 of the machined abutment, and the fixing screw is screwed into the vertical expansion hole 22 through the inclined guide hole 23. to be able to move to

After the third step (S3), a tapered guide surface 211 is further formed in the extension hole 21 to prevent the fixing screw moving from the vertical extension hole 22 to the extension hole 21 from being caught. A fourth step S4 is further added.

In the fourth step (S4), the tapered guide surface 211 is inclined in an oblique direction to prevent the end of the fixing screw from being caught in the movement process.

The inclination angle of the tapered guide surface 211 may be variably changed depending on the diameter of the extension hole 21 , the diameter of the fixing screw, or the material of the abutment.

In the fourth step (S4), in the process of forming the vertical expansion groove while rotating the first drill 400, the tapered guide surface 211 is formed as the edge portion of the first drill bit 410. The tapered guide surface 211 is formed by forming a chamfer on the edge of the drivit 410 .

In the third step (S3), the inclined guide hole 23 is curved to prevent the fixing screw moving along the inclined guide hole 23 from being caught or rubbed.

That is, in the process in which the fixing screw is moved through the inclined guide hole 23 and the lower part is penetrated through the extension hole 21 and the connection hole 41, the head of the fixing screw moves through the inclined guide hole of the curve. It is guided by (23), and it is possible to reduce being caught or rubbed on the inner surface of the inclined guide hole (23) compared to the inclined guide hole (23) inclined in a straight line.

The inclined guide hole 23 is formed to be inclined in a straight structure and then curved using the second drill bit 510 of the second drill 500 to reduce the load on the drill, and the first inclined guide hole 23 It is also possible to form curved in the process of forming.

Although the present invention has been described in detail so far, it is clear that the embodiments mentioned in the process are only illustrative and not restrictive, and the present invention is the technical spirit or field of the present invention provided by the following claims Within the range not departing from, it will be said that component changes to a degree that can be equally dealt with fall within the scope of the present invention.

10 : Hwanbong
20: molded body
21: extension hole
211: tapered guide surface
22: vertical expansion hole
23: slope guide hole
24: front part
25: back part
30: fixed head
40: fastening protrusion
41: connection hole
100: artificial tooth
110: front part
120: Hall
130: back part
200 : fixture
300: round bar
310: vertical hole
400: first drill
410: first drill bit
500: second drill
510: second drill bit
600: penetrating part
S1: Step 1
S2: Step 2
S3: Step 3
S4: Step 4

Claims (5)

As a processing method of a round bar for abutment processing, processing a round bar comprising a forming body having a through part having a structure inclined in an oblique direction therein, a fixing head formed on the upper part of the forming body, and a fastening protrusion formed on the lower part of the forming body. ,
A first step of drilling a fastening protrusion of the round bar with a first drill having a first drill bit to form a connection hole, and drilling the molded body to communicate with the connection hole to form an extension hole;
By drilling the inside of the molded body with a first drill bit of the first drill to form a vertical expansion hole in communication with the through portion, the diameter of the vertical expansion hole is formed to be larger than the diameter of the extension hole and the connection hole second step; and
and a third step of forming an inclined guide hole in communication with the vertical expansion hole by drilling while expanding the through portion formed in the molding body with a second drill bit of a second drill in the molding body that has undergone the second step. The processing method of round bar for abutment processing.
The method of claim 1,
The vertical expansion hole is formed to have a larger diameter than the connection hole and the extension hole, and the inclined guide hole is formed to have the same diameter as the vertical expansion hole.
The method of claim 1,
In the third step, the inclination angle of the inclined guide hole is variably formed according to the standard according to the length and diameter of the vertical extension hole, the inclined guide hole, the extension hole and the connecting hole of the round bar for each manufacturer. The processing method of round bar.
The method of claim 1,
After the third step, a fourth step of further forming a tapered guide surface in the extension hole to prevent the fixing screw moving from the vertical extension hole to the extension hole from being caught is further added. processing method.
The method of claim 1,
In the third step, the processing method of a round bar for abutment processing, characterized in that the inclined guide hole is curved to prevent the set screw moving along the inclined guide hole from being caught or rubbed.

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