KR100919776B1 - Stent for bone graft of alveolar bone and method for maintaining bone shape during bone graft using same - Google Patents

Abstract

The present invention prevents the loss of bone implanted into the bone graft stent device used when the implant fixture is difficult due to bone loss of the alveolar bone during implantation of the fixture fixture, and to maintain the shape and shape and The present invention relates to a bone graft stent for alveolar bone composed of a circular cover screw insert and a method for maintaining bone shape during bone graft using the same.

Description

Alveolar bone implantation stands and will be wrong and the method which maintains the shape of bone implantations bone which it uses}

The present invention is one of the devices and methods used in the dental implant procedure, the bone shape when implant implantation is difficult when the implant fixture is difficult due to the loss of side bone or vertical bone of the alveolar bone during implantation fixture (artificial root) The present invention relates to a bone graft stent for maintaining alveolar bone and a method for maintaining bone shape during bone graft using the same.

Implants are originally a substitute that recovers when human tissue is lost, but dental implants refer to implanting artificial teeth.

In order to replace the lost tooth root (root), a tooth root made of titanium and other materials that are not rejected by the human body is planted in the bone where the tooth falls out and the artificial tooth is fixed to restore the function of the tooth.

In the case of a general prosthesis or denture, the bone of the surrounding tooth is damaged over time, but the implant does not damage the surrounding dental tissue, and it has the advantage that it can be used semi-permanently as it does not have tooth decay even though it has the same function or shape as the natural tooth.

Such implants can be placed on the alveolar bone immediately according to the patient's condition, and when implant fixture (artificial root) cannot be implanted due to natural absorption and artificial loss of the alveolar bone, bone graft is used for bone implantation. Implant fixtures were placed in the second procedure 3-6 months after the transplantation. In the conventional method, it is difficult to expect sufficient bone formation due to unstable bone formation during bone graft, or complicated procedure and high probability of failure, requiring reoperation (bone graft surgery). Transplant and implant fixture procedures have been inconvenient to be performed separately.

In Korean Patent Registration No. 10-0535443, In the implant stent gingiva removal aid for implanting the implant in the alveolar bone of the patient, the body portion is formed to be inserted and withdrawn to the stent; At the bottom of the body portion Cutter formed; It is configured to include a dental gingiva removal aid for implants, characterized in that to remove the gingiva at the position where the implant is to be placed,

Patent Publication No. 10-0535445 is an implant stent tool for implanting the implant in the alveolar bone of the patient, the flat section has a track-shaped body portion having a predetermined length; An opening bored in an implant placement direction on an upper surface of the body portion; A drill insertion hole in which the drill insertion hole communicating with the opening is formed in an implant placement direction; The drill insertion hole is an implant stent drill guide aids, characterized in that the width of the front and rear or right and left toward the lower portion of the body portion is described,

Korean Patent Publication No. 10-0611946 includes a guide for forming a drill receiving hole at least partially surrounding a drill forming a hole in an alveolar bone, and guiding a drilling direction of the drill; And a rod for protruding from one side of the guide in a transverse direction with respect to the axis of the drill receiving hole and coupled to an impression body of a tooth disposed adjacent to the tooth to be implanted to support the guide. Is described,

In Korean Registered Utility Model Publication No. 20-0210731, in the case of a conventional dental implant made of titanium (A), a screw part (1) inserted and fixed to the alveolar bone of the jaw bone and a gingival part (2) to prevent foreign substances from entering A banding ring of elastic material for fixing the through hole 4 for inserting various types of orthodontic wires 3 and 3 'and the orthodontic miniscrew wires 3 and 3' inserted therein. (5) to form a guide groove (6) to the outer periphery and to form a fastener (7) to engage a conventional tool such as a wrench to separate the screw portion (1) from the alveolar bone of the jaw bone on the upper surface It can be seen that the orthodontic implant is characterized in that it is disclosed.

Recently, titanium mesh has been improved and used, but titanium mesh has a problem that it is difficult to fix artificial bone due to unstable shape.

Conventionally, when implantation of the fixation fixture (artificial root) is impossible due to natural absorption and artificial loss of the sidewall bone of the alveolar bone, it is difficult to expect sufficient bone formation due to unstable bone formation during bone graft, Because of the high probability of failure, the implant fixture was implanted as a secondary procedure 3-6 months after bone transplantation.Bone transplantation and implant fixture treatment were performed separately. The present invention is to develop and provide a device and method for maintaining the loss and shape and shape of the bone transplanted into the bone graft stand device in a single procedure to solve the problem of the time and economic burden of the second procedure This is the problem to be solved.

In order to solve the above object, the present invention is a bone graft stent device used when the implant fixture is difficult to place due to the loss of the vertical bone and sidewall bone of the alveolar bone during implantation of the implant fixture (artificial root) by one procedure To maintain the loss and shape of the transplanted bone,

It is a problem solving means to achieve the present invention to provide a bone graft stent for alveolar bone and a method for maintaining bone shape during bone graft using the structure of the titanium plate and the circular cover screw insert.

According to the present invention, when implant implant fixture (artificial root) is difficult due to sidewall bone loss of the alveolar bone during the procedure, it is a second procedure after 3-6 months after bone graft using a conventional bone graft. The bone graft procedure and implant fixture procedure to implant the implant fixture is an advantage of solving the inconvenience that must be performed separately and the time and economic burden of the patient in the bone loss patient of the alveolar bone with a single procedure with the device and method of the present invention and the second procedure It provides the new device and method in the field of implant treatment by developing the stable method by artificially implementing the optimal artificial bone (freely) according to the condition of the pain relief of the patient and the condition of the bone graft of the patient. It has the effect of contributing to the development of dentistry.

In order to achieve the above object, the present invention provides a loss and shape and shape of the bone implanted by the bone graft stent device used when the implant fixture (artificial root) implantation is difficult due to bone loss of the alveolar bone during implant fixture placement The present invention relates to a bone graft stent for alveolar bone consisting of a machined titanium plate and a circular cover screw insert, and a method for maintaining bone shape during bone graft using the same.

When explaining the present invention in more detail, the diameter is narrowed toward the lower portion toward the lower portion of the center of the bone graft portion (A) of the tooth to be treated, the end portion is a pointed shape and the male thread is provided on the surface (1) (fixture) After fixing the shape, the surface of the bone graft portion (A) is formed according to the patient's bone state (in the desired shape) and covered with a titanium plate (2) provided with a plurality of through holes (21), the inside of the Fill the artificial bone with

Insert the cover screw (3) of the cover screw (3) into the upper center groove (12) of the implant fixture (1) by penetrating the central through hole (25) of the titanium plate (2) for a predetermined period of time After 3-6 months, the artificial bone is matched with the alveolar bone, and then the titanium plate is removed to maintain the shape of the bone during bone graft using the bone graft stent of the alveolar bone, and then the implant fixture (1) After screwing the cover screw 3 fixedly inserted into the upper central groove 12 of the screw, the artificial tooth is screwed into the upper central groove 12 of the implant fixture 1, It relates to a bone graft stent of the alveolar bone to complete the implant procedure and a method for maintaining the shape of the bone during bone graft using the same.

Titanium plate used in the present invention is provided with a plurality of through-holes, deformed according to the form of the loss of sidewall bone loss to be modified (manufactured) in various forms, such as a convex bowl upset or a gentle plate upset shape. Can be.

Hereinafter, the present invention will be described in detail with reference to the following Examples.

Example 1

If the thickness of the alveolar bone is too low to implant the implant fixture (implant fixture) as shown in Figs. 1 to 3,

The lower portion of the center of the bone graft portion (A) becomes narrower toward the lower portion, so that the end portion is pointed, and the fixture (1) (fixture) having a male thread is fixed on the surface, and the upper central hole of the titanium plate (2) 25) and then cover the top of the bone graft portion (A) with a titanium plate (2) provided with a plurality of bowl-shaped through-holes 21, and after filling the artificial bone therein, Insert the cover screw (3) of the cover screw (3) into the upper center groove (12) of the implant fixture (1) by penetrating the central through hole (25) of the titanium plate (2) for a predetermined period of time After (3-6 months), the artificial bone was matched with the alveolar bone, and then the titanium plate was removed to maintain the bone shape during bone graft using the bone graft stent of the alveolar bone.

Example 2

If both sides of the bone graft portion (A) is damaged and the implant fixture (implant fixture) cannot be planted, as shown in FIGS. 4 to 7, the diameter becomes narrower toward the lower portion of the bone graft portion (A) toward the lower portion thereof. After fixing the fastener 1 (fixture) having a pointed shape and a male thread on the surface, the cover is covered with a titanium plate 2 having a plurality of through holes 21 thereon, and the titanium plate 2 The shape of the bone graft portion (A) on both sides of the alveolar bone in order to take full advantage of the damage, the shape of the bone on both sides of the bone graft (A) in the same shape as the damaged form the fixture (1) (fixtures) titanium plate ( Position the upper central through hole 25 of 2), and then fill the artificial bone therein, and through the central through hole 25 of the titanium plate (2) the upper central groove of the implant fixture (1) 12) Cover screw of cover screw (3) After a certain period of time (3-6 months) by inserting the receiving part 32 with a screw, the artificial bone is matched with the alveolar bone, and then, when the bone is implanted using the bone graft stent of the alveolar bone by removing the titanium plate. The shape of the was maintained.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a detailed view of the bone graft portion of the alveolar bone in the lower state of the alveolar bone of the present invention, Figures 2 and 3 detail of the bone graft portion of the alveolar bone in the lower state of the alveolar bone of the present invention, Figure 4 Detailed view of bone graft portion in damaged state, Figs. 5 and 6 Detailed description of bone graft portion in damaged state of alveolar bone of the present invention, Fig. 7 It is a detailed view showing the bone graft stent constructed in the planting at different angles, the fixture (1), titanium plate (2), cover screw (3), fixture body (10), fixture lower insertion spiral ( 11), the upper center groove 12, the through-hole 21, the central through-hole 25, the cover screw head 31, the cover screw insertion fixing part 32, bone graft portion (A). .

Looking at the structure, as shown in Figures 1 to 7, the bone graft stent of the alveolar bone of the present invention is inserted into the central bone of the bone graft portion (A) and the bone graft (A) And the narrower the diameter toward the bottom, the end is pointed in the form of a fixed thread (1) having a male thread on the surface, and the titanium plate (2) is provided on the surface of the bone graft (A) and provided with a plurality of through holes (2) ), The upper central through hole (25) formed in the upper center of the titanium plate (2), and through the upper central through hole (25) of the fixture (1)

It is a structure of the bone graft stent of the alveolar bone consisting of a cover screw (3) that is screwed into the upper central groove (12),

The fastener 1 is a cylindrical fastener body 10 located in the center, and is installed in the lower portion of the fastener body 10, the diameter is narrowed toward the lower end is a pointed end and a fastener provided with a male thread on the surface It is composed of a lower insertion spiral portion 11 and an upper central groove 12 provided on the upper portion of the fastener body 10,

The titanium plate (2) is located in the upper portion of the bone graft portion (A) in the same shape as the bone graft portion (A) serves to fix the shape of the bone graft portion (A), a plurality of fine provided on the surface It is a structure consisting of a through-hole 21, and a central through-hole 25 is installed in the upper center, the fastener (1) and the cover screw (3) is screwed and fixed,

The cover screw (3) is cylindrical, the cover screw head 31 is installed in the upper portion, the cover screw head 31 is extended to be installed, the diameter of the cover screw head 31 is less than the thread The cover screw insertion fixing part 32 is provided with a bone graft for the bone graft stent.

1 is a detailed view of the bone graft portion of the side wall bone of the alveolar bone of the present invention

2 and 3 detailed view of the bone graft portion construction of the side wall bone of the alveolar bone of the present invention

4 is a detailed view of the bone graft portion of the alveolar bone damaged state of the present invention

5 and 6 detail of the bone graft portion construction of the side wall bone of the alveolar bone damaged state of the present invention

7 is constructed in the bone graft in the damaged state of the sidewall bone of the alveolar bone of the present invention

      Detailed view of the bone graft stent from different angles

      Explanation of symbols in the drawings

      Fixture (1), Titanium Plate (2), Cover Screw (3), Fixture Body (10), Fixture Lower Insertion Spiral (11), Upper Central Groove (12), Through Hole (21), Central Through Hole (25), Cover screw head (31), cover screw insertion fixing part (32), bone graft (A). Alveolar bone (B)

Claims (4)

In the bone graft stent of alveolar bone, Bone graft portion (A) to be implanted in the cortical insertion portion, and the bone graft portion (A) is inserted into the center portion of the fixing portion (1) and the male thread is provided on the surface in the form of a pointed end is narrowed toward the bottom Is installed on the surface of the bone graft portion (A), the titanium plate (2) having a plurality of through holes 21, the upper central through hole (25) formed on the center of the titanium plate (2) and the upper It consists of a cover screw (3) that is screwed into the upper central groove 12 of the fastener (1) through the central hole (25), the fastener (1) is a cylindrical fastener body located in the center ( 10) and, the lower part of the fastener body 10 is installed, the diameter becomes narrower toward the bottom, the end portion is pointed shape and the bottom of the fastener lower insertion spiral 11 with a male thread on the surface, and the fastener body 10 Consists of the upper central groove 12 installed on the top of the titanium plate Yite (2) is located in the upper portion of the bone graft portion (A) in the same shape as the bone graft portion (A) serves to fix the shape of the bone graft portion (A), a plurality of fine through holes provided on the surface ( 21) and a central hole 25 installed in the upper center to fix the fastener 1 and the cover screw 3 by screwing. The cover screw 3 has a cylindrical shape and a cover installed on the upper portion thereof. Including a screw head 31 and the cover screw head 31 extending from the lower part, having a diameter smaller than that of the cover screw head 31 and having a screw thread on the outside, Stent for bone graft of alveolar bone, characterized in that the configuration. delete delete delete

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