WO2022030706A1 - Fixation d'implant - Google Patents

Fixation d'implant Download PDF

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Publication number
WO2022030706A1
WO2022030706A1 PCT/KR2020/018664 KR2020018664W WO2022030706A1 WO 2022030706 A1 WO2022030706 A1 WO 2022030706A1 KR 2020018664 W KR2020018664 W KR 2020018664W WO 2022030706 A1 WO2022030706 A1 WO 2022030706A1
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WO
WIPO (PCT)
Prior art keywords
fixture
alveolar bone
implant
screw
implant fixture
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Application number
PCT/KR2020/018664
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English (en)
Korean (ko)
Inventor
박용덕
제시카 박수현
박재우
Original Assignee
주식회사 유니언스
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Application filed by 주식회사 유니언스 filed Critical 주식회사 유니언스
Publication of WO2022030706A1 publication Critical patent/WO2022030706A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools

Definitions

  • the present invention relates to an implant fixture, and more particularly, by improving the shape and structure of the fixture, the fixture fixed to the alveolar bone when the fixture is fractured or placed in the wrong position in the process of fixture placement It can be easily removed and a bone graft material can be inserted inside the fixture, so it can quickly induce alveolar bone regeneration and ossification. It relates to an implant fixture that can greatly improve the satisfaction of the patient and the time and success rate of the implant procedure.
  • an implant fixture is a component that serves as a root of an artificial tooth structure manufactured to replace a lost tooth, and after being firmly coupled to the alveolar bone, an abutment is fastened to the upper part of the fixture, and the abutment is attached to the abutment.
  • a fixture having a screw portion formed on the outside has the advantage of easy implantation on the alveolar bone, but has a disadvantage in that the osseointegration force with the initial alveolar bone is greatly reduced because the outer circumferential surface itself has a smooth structure.
  • Prior art 1 Korean Patent Registration No. 10-2002218
  • free formation and communication of nerves and blood vessels can be expected by securing sufficient space inside and outside the fixture, and accordingly, Disclosed is an implant fixture capable of obtaining properties similar to natural teeth that restore sensations such as chewing force and texture during mastication by the generation of hyperplasia and blood vessels.
  • the implant fixture 10 which is a component of the implant assembly according to the prior art 1, has a hollow formed therein and a side distribution part 11 connected to the hollow on the circumferential surface. It is configured in a form including the formed body and the threaded portion 12 formed around the body, and the upper portion of the fixture to which the abutment is coupled is configured in a closed form that is not connected to the hollow.
  • the straight connecting member 13 together with the screw portion 12 cuts the alveolar bone to more easily dig into the alveolar bone, and the cut alveolar bone It prevents the loss of alveolar bone to the outside by simultaneously pushing the alveolar bone to the inside of the fixture, and at the same time, it can fill the inside of the fixture. There was a problem that it takes some time for alveolar bone regeneration and ossification phenomena to occur because there is no composition that can be filled with the graft material.
  • the fixture is fractured or placed in the wrong location during the implantation process, if osseointegration fails, or if inflammation occurs in the gum at the site where the implant was placed due to various reasons, conventionally, the fixture placed in the alveolar bone is separated from the alveolar bone.
  • the implant could be removed by fastening the hex driver to the hex driver fastening part 134aa inside the fixture, and rotating the fastened hex driver in the reverse direction using a torque wrench.
  • the fixing force of the hexa driver is weak, and it is difficult to remove the fixture due to idling when rotating in the reverse direction, and when the hexa-type fastening part to which the hexa driver is fixed inside the fixture is broken, it is not easy to remove the fixture using the hexa driver .
  • the fixing body can be removed by fastening the fixing body remover to the thread to which the abutment inside the fixing body can be coupled, or after fastening the fixing body remover and fixing a separate remover body, the fixing body can be removed, Also, if a broken screw is embedded in the screw thread to which the abutment can be coupled, or the screw thread is worn, it is not easy to remove the fixture.
  • the damaged fixture can be separated by grinding the alveolar bone as shown in FIG. 4 using a dental Treffin drill. .
  • the fixture when implanting the fixture in the alveolar bone, the fixture should be placed perpendicularly to the alveolar bone, but it often occurs at an inclined angle.
  • implant reoperation is performed by placing a larger-diameter fixture back into the alveolar bone. there is often no case.
  • the present invention has been devised to solve the problems of the prior art described above, and an object of the present invention is to improve the shape and structure of the fixture so that it is possible to easily remove the fixture fixed to the alveolar bone, as well as the period of implantation and An object of the present invention is to provide an implant fixture that can significantly improve the success rate.
  • an object of the present invention is to induce alveolar bone regeneration and rapid ossification by inserting a bone graft material through a bone graft insertion hole after the fixture is placed, thereby greatly shortening the period for alveolar bone adhesion.
  • An object of the present invention is to provide an implant fixture that can be used.
  • an object of the present invention is to shorten the patient's implant adaptation period by allowing nerves and blood vessels concentrated in the lower part of the alveolar bone to be rapidly formed inside the fixture, similar to the dental pulp of a natural tooth.
  • an object of the present invention is to improve the fatigue life of the fixture by lowering the fatigue of the fixture due to excessive masticatory pressure and occlusal pressure through an anatomical/histological structure similar to natural teeth.
  • the implant fixture according to the present invention is an upper fixed block comprising a conical bottom surface formed with a remover fastening part, an abutment fastening part and a bone graft material insertion hole, and is located in the lower part spaced apart from the upper fixed block. It consists of a lower fixed block convexly formed downward, a straight connecting member connecting between the upper fixed block and the lower fixed block, and the screw part surrounding the straight connecting member from the outside, wherein the remover fastening part is a fixed body on the inner circumferential surface It is characterized in that a reverse thread for fastening the remover is formed.
  • the straight connecting member is a member having a cross-sectional structure of four sides in which one end is connected to the upper fixed block and the other end is connected to the lower fixed block, and a plurality of pieces are spaced apart along the circumferential direction of the upper fixed block and the lower fixed block. It is characterized in that it is so arranged.
  • nerves and blood vessels grow like natural teeth inside and outside the implant fixture, and are connected without interruption.
  • the cross-sectional structure of the straight connecting member is composed of a structure in which the outer width is wider than the inner width, and both sides of the cross section are characterized in that the blade surface for cutting the alveolar bone is formed.
  • the side distribution portion is characterized in that the size of the space is determined by the distance between the straight connecting member and the pitch distance of the screw portion.
  • the side distribution portion is characterized in that the size of the space gradually decreases from the top to the bottom.
  • the fixture has a plurality of side distribution portions formed to be spaced apart along the circumferential direction of the fixture between two adjacent screw portions in the longitudinal direction and connected to the hollow, and the plurality of side distribution portions have the same area It is characterized in that it is formed at equal intervals.
  • the lower end of the fixture is characterized in that a nerve guide hole connected to the hollow is formed.
  • the present invention having the configuration as described above, it is possible to complete the distribution path of the alveolar bone and blood flow in the lattice form by circulating the alveolar bone and blood flow in the horizontal direction through the side distribution part, so that the smooth alveolar bone adhesion and blood flow nutrient supply are made, thereby healing It has the effect of quickly restoring speed and sensory function.
  • the weight can be significantly reduced compared to the conventional structure of the fixed body, and thus the user's As the weight of the fixture to be implanted in the jaw is reduced, it is possible to prevent strain on the muscle strength of the temporomandibular joint as well as significantly reduce material costs.
  • the straight connection member together with the screw part when implanting the fixture in the alveolar bone cuts so that it can more easily dig into the alveolar bone. , it plays a role of pushing the cut alveolar bone into the inside of the fixture, preventing the loss of alveolar bone to the outside, and at the same time filling the inside of the fixture with autologous alveolar bone to prevent side effects due to immune system abnormalities in advance. It provides the effect of greatly increasing the regeneration and healing speed of the alveolar bone.
  • the nerve of the root part concentrated in the lower part of the alveolar bone is not extinguished by the pressure applied by the lower fixed block but is upward. It provides the effect of maintaining the original natural tooth's blood vessels and neural network as it is, as well as feeling the stimulation of chewing food like existing natural teeth.
  • the fixture similar to the dental pulp of natural teeth, nerves and blood vessels concentrated in the lower part of the alveolar bone are formed inside the fixture, so that it is possible to adjust the masticatory pressure and occlusal pressure suitable for the fixed body.
  • the masticatory pressure and occlusal pressure acting on the structure are greatly lowered, thereby improving the fatigue life of the fixture.
  • the fixture By having a remover fastening part having a reverse screw thread formed inside the fixture, the fixture can be easily removed.
  • bone graft material is inserted to compensate for the lack of autologous alveolar bone by forming a bone graft material insertion hole in the conical bottom surface of the lower part of the upper fixing block of the fixture so that, when there is insufficient autologous alveolar bone in the hollow inside of the fixture, bone graft material can be additionally inserted. It can induce rapid ossification along with the effect of forming new bone through alveolar bone adhesion and blood flow nutrient supply, thereby quickly restoring healing speed and sensory function. Since the mat coupling part and the hexa driver coupling part are formed, the screws for coupling the existing cover screws, healing abutments, and custom abutments can be coupled, which has the effect of maintaining compatibility with ready-made products.
  • the bone graft material insertion hole is formed with the minimum diameter that a ready-made screw can be coupled, the area touching the lower alveolar bone due to coping is minimized when replacing the healing abutment or taking a pickup impression after inserting the coping. And there is an effect that can minimize infection.
  • FIG. 1 is a plan cross-sectional view of an implant fixture according to prior art 1.
  • Figure 2 is a state diagram of the use of the implant fixture and the fixture remover according to the prior art 2.
  • FIG. 3 is a state diagram of the implant fixture and the fixture remover according to the prior art 3 in use.
  • Figure 4 is a schematic view showing the state of the alveolar bone after exposing the damaged fixture by grinding with a dental Treffin drill to remove the damaged fixture remaining in the alveolar bone by the conventional method.
  • FIG. 5 is a perspective view showing the configuration of the implant fixture according to an embodiment of the present invention.
  • FIG. 6 is a front view of FIG. 5 ;
  • FIG. 7 is a cross-sectional view of FIG. 6 .
  • FIG. 8 is a plan view of FIG. 6 .
  • FIG. 9 is a plan sectional view of FIG. 5 .
  • FIG. 10 is a partially enlarged view showing the state in which the fixture of FIG. 5 is osseointegrated with the pubis muscle.
  • FIG. 11 is a perspective view of the fixture of FIG. 5 viewed from the bottom.
  • FIG. 12 is a perspective view showing a shape of a fixture according to another embodiment of the present invention.
  • a general implant procedure is performed as a primary surgical procedure for implantation of the fixture 100 and a secondary surgical procedure for coupling the prosthesis as follows, and a description thereof is as follows.
  • an implantation groove is formed using a tool such as a drill, and pretapping is a selective operation for the fixture 100 to be firmly implanted in the implanted groove.
  • a cover screw is fastened to prevent foreign substances from penetrating into the fixture 100 , and the gum is covered and sutured to complete the primary operation.
  • the fixture 100 is fractured or implanted in an incorrect position during the implantation process of the fixture 100, the fixture 100 fixed to the alveolar bone must be removed and re-implanted.
  • the implanted fixture 100 becomes osseointegrated with the alveolar bone.
  • secondary surgery is performed.
  • the sutured gum is incised again, a healing abutment is placed on the upper surface of the fixture 100 already implanted in the alveolar bone, and when the gingiva is completely healed, an impression is taken.
  • the custom abutment is fastened and the prosthesis is connected.
  • the healing abutment is removed, the bonding is confirmed by radiographic imaging, and the healing abutment is tightened again after the impression is taken.
  • the method of planting the fixture 100 as described above, completely covering the outside with the gums and sutured, and then performing the secondary treatment is called a submerged type of implant treatment.
  • the fixture 100 embedded in the alveolar bone performs the root function of the tooth, and the custom abutment has a connection configuration that integrates the prosthesis and the fixture 100 do.
  • the fixture 100 and the custom abutment become an implant structure for firmly fixing the prosthesis in place, and such an implant structure is generally made of a metal material such as titanium, which has excellent physical/chemical rigidity. to be.
  • Implants have a period of adaptation for a considerable period to get used to after surgery is completed. At this time, since normal implants go through a period of adaptation for a considerable period of time, because nerves and blood vessels are not created even inside the fixture placed in the alveolar bone, tissue that serves as a dental pulp cannot be created, making it difficult to control masticatory pressure or occlusal pressure. will experience
  • the shape and structure of the fixture are improved, and an anatomical/histological structure similar to that of the dental pulp can be formed inside the fixture 100, and through this, natural teeth in the prosthesis are provided. It can be said that it possesses technical characteristics that are clearly distinguished from existing implants in that it can deliver a sense similar to that of implants.
  • an implant is a structure that can be used for about 15 years or more if thoroughly managed after implant surgery is completed, but it is often damaged due to excessive masticatory pressure/occlusal pressure.
  • it is possible to control the masticatory pressure and occlusal pressure similarly to natural teeth, thereby preventing fatigue cracking of the implant fixture due to excessive masticatory pressure/occlusal pressure, thereby improving the fatigue life.
  • 1 is a plan cross-sectional view of the implant fixture 10 according to the prior art 1.
  • a body having a hollow formed therein and having a side distribution portion 11 connected to the hollow on the circumferential surface, a screw portion 12 formed on the periphery of the body, and a straight connecting member connecting the upper and lower fixed blocks
  • a fixture 10 including (13) there is an advantage that the distribution path of alveolar bone and blood flow in a grid shape can be completed by horizontally circulating the autologous alveolar bone and blood flow through the side distribution unit 11, but There is no space penetrating the body provided with the upper fixing block 14 and the hollow of the fixture 10 to which the butt is fastened, so after the fixture 10 is placed, if there is insufficient alveolar bone, the bone graft material cannot be inserted.
  • Non-Patent Document 1 is a fixed body remover kit, which consists of a reverse screw type in which the screw is fastened when the abutment fastening part inside the fixed body rotates counterclockwise, so that the fixed body remover (20-1) is removed.
  • the fixing body remover 20-1 is fixed to the abutment fastening part, and by continuously rotating it in the additional counterclockwise direction, the fixed body 20-2 implanted in the form of a regular screw can be removed.
  • a separate reverse screw type remover fastening part 133 distinct from the abutment fastening part 131 is formed on the inner surface of the upper end of the fixing body 100, and the body Since the screw portion 120 formed on the periphery of the is configured in the form of a regular screw, the problem of loosening the fixture 100 does not occur when the abutment is fastened, and the screw thread formed in the abutment fastening portion 131 . There is an advantage that the fixing body 100 can be easily removed irrespective of whether the abrasion or the presence of a damaged screw is present.
  • Non-Patent Document 2 is a fixed body remover kit, and after fastening the reverse screw type fixed body remover 40-2 to the normal screw type abutment fastening part inside the fixed body, a separate fixed body remover body (40-1) can be fastened to the fixture remover (40-2) to remove the fixture, but this also makes it difficult to remove the fixture when a broken screw is embedded in the fastening part of the abutment or the screw thread is worn. It is not easy, and there is a disadvantage that a separate fixed body remover body 40-1 is required.
  • a separate reverse screw type remover fastening part 133 which is distinguished from the abutment fastening part 131, is formed on the inner surface of the upper end of the fixture 100, that the fixture remover body 40-2 of There are advantages.
  • the implant fixture 100 is a component that is implanted in the state of being embedded in the alveolar bone, and is a basic base member that is osseointegrated with the alveolar bone to maintain a solid fixed state.
  • the implant fixture 100 has a conical shape in which the abutment coupling part 131, the protruding ring 132, the remover coupling part 133, and the bone graft material insertion hole 134a are formed.
  • the upper fixing block 130 composed of the bottom surface 134, the hollow 190 is formed below the conical bottom surface 134, and the side distribution part 110 connected to the hollow 190 is formed on the circumferential surface of the body. and a screw portion 120 formed on the periphery of the body, a lower fixing block 140 that is located at a lower portion spaced apart from the upper fixing block 130, and a curved surface 140a protruding convexly downward. It is composed of a straight connecting member 150 connecting between the fixed block 130 and the lower fixed block 140 , and the screw part 120 is formed to surround the straight connecting member 150 .
  • the fixing body 100 is provided with a remover fastening part 133 having a reverse screw thread, and when a turning force is applied in a counterclockwise direction, the fixing body remover is fastened to the remover fastening part 133, and the fixed body remover
  • the counterclockwise rotational force acting on the remover fastening part 133 acts on the implanted fixture 100, and the implanted fixture 100 ) of the regular screw-shaped screw portion 120 formed on the body of the alveolar bone to come out of the effect occurs.
  • the conical bottom surface 134 is formed with an abutment fastening part 131 in the form of a regular screw, and when the abutment is fastened, the fixing body 100 having the screw part 120 in the form of a regular screw is loosened. This phenomenon can be prevented, and the bone graft material insertion hole 134a connected to the hollow 190 is formed in the abutment coupling part 131, so that the alveolar bone introduced into the hollow 190 immediately after the first operation is insufficient. If it is determined, the bone graft material can be additionally inserted before the cover screw is fastened.
  • the conical bottom surface 134 has a curved surface protruding convexly downward, and a bone graft material insertion hole 134a is formed in the center.
  • the powdery bone graft material can be efficiently inserted into the hollow 190 .
  • the bone graft material insertion hole (134a) is formed with the minimum diameter (preferably 1.5mm) to which the ready-made screw can be coupled, so when replacing the healing abutment or taking a pickup impression after inserting the coping, the lower side by coping It is possible to minimize infection of the alveolar bone and contact infection with the internal alveolar bone when the final prosthesis is installed.
  • a part of the alveolar bone is introduced into the hollow 190 of the fixture 100, and a side distribution part 110 is formed to guide the ossification phenomenon therein, and the outer circumference A screw portion 120 is formed so that the implantation action on the alveolar bone can proceed smoothly.
  • the straight connecting member 150 is a member having a cross-sectional structure of four sides in which one end is connected to the upper fixed block 130 and the other end is connected to the lower fixed block 140 , and the upper fixed block 130 and the lower It is arranged at equal intervals along the circumferential direction of the fixing block 140 and consists of a plurality of pieces.
  • the fixed body 100 has a structure in which a plurality of straight connecting members 150 are arranged in a circumferential direction at a distance from each other.
  • the structure of the fixture 100 using such a straight connecting member 150 can significantly reduce its weight compared to the structure of the fixed body of the prior art, so that the weight of the fixture 100 when implanted in the user's jawbone is reduced, and material cost can be saved, and the senses are restored according to the growth of nerves and blood vessels, so that it is possible to adjust the masticatory pressure and occlusal pressure suitable for oneself similarly to natural teeth.
  • the masticatory pressure and occlusal pressure acting on the structure of the fixed body are significantly lowered, so that it is possible to improve the fatigue life of the fixed body 100 and prevent the occurrence of strain in the temporomandibular joint muscle.
  • the straight connecting member 150 is preferably composed of four to form the exterior of the fixed body 100, but is not necessarily limited thereto. have.
  • the cross-sectional structure of the straight connecting member 150 is composed of a structure in which the outer width L2 is wider than the inner width L1, and both sides of the cross-section are cut alveolar bone at the same time as the cut alveolar bone fixed body 100 A blade surface 151 of a structure that can be pushed into the inner space of the may be formed (see FIG. 9).
  • the straight connecting member 150 together with the screw part 120 cuts the alveolar bone to more easily dig into the alveolar bone, as well as the cut alveolar bone into the fixture. (100) By paralleling the role of pushing inward, the alveolar bone is prevented from being lost to the outside and the fixture 100 provides the effect of allowing the inside to be filled with the alveolar bone.
  • the size of the space of the side distribution part 110 according to the present invention is determined by the spacing distance between the straight connecting members 150 and the pitch distance of the screw part 120 .
  • the side distribution part 110 applied to the present invention forms a screw part 120 on the outer circumferential surface of the straight connecting member 150, unlike forming a hole artificially on the surface of the fixed body 100 as in the prior art. formed naturally in the process.
  • the side distribution part 110 of the present invention is divided into a wider space than in the prior art by the straight connection member 150 and the screw part 120, and the alveolar bone cut when the fixture 100 is implanted in the alveolar bone.
  • the autogenous bone is naturally filled in the empty space inside the fixture 100 without being lost to the outside, there is no need to use other allogeneic or xenogeneic bone, and it is possible to prevent side effects caused by not applying the autogenous bone, and to use the autogenous bone. It provides the effect of greatly increasing the regeneration and healing speed of the alveolar bone.
  • the conventional fixture 10 also forms the side distribution section 11 to induce some alveolar bone to enter the inside of the fixture 10, the self-alveolar bone introduced through the side distribution section 11 When this is insufficient, there is a problem in that it is difficult to insert a bone graft material.
  • the side distribution unit 110 of the present invention gradually reduces the size of the space from the top to the bottom to correspond to the size of the space formed inside the fixed body 100 when the fixed body 100 rotates. , it is preferable to smoothly introduce a piece of alveolar bone moving toward the upper side when the fixture 100 digs into the alveolar bone.
  • a remover coupling part 133, an abutment coupling part 131 and a conical bottom surface 134 are formed inside the upper fixing block 130, and on the outer peripheral surface of the alveolar bone, the intrusion of bacteria and foreign substances is suppressed.
  • a protrusion ring 132 is formed.
  • the protruding ring 132 is three independent members and serves as a step-by-step defense line that blocks the intrusion of external food residues, plaque, plaque, microorganisms, and tartar.
  • plaque, plaque, food, microorganisms, tartar, etc. are accumulated from the abutment and pushed down and continuously moved to the lower part of the alveolar bone to cause implant failure.
  • the protrusion ring 132 prevents plaque, plaque, food, microorganisms, tartar, etc. from moving straight from top to bottom, thereby serving as a geometrically beneficial external defense line.
  • Two or more protrusion rings 132 may be installed.
  • the lower fixing block 140 has a hollow 190 nerve guide hole 141 is formed so that the alveolar bone nerve can grow upward.
  • the nerves of the root part concentrated in the lower part of the alveolar bone do not disappear by the pressure applied by the lower fixing block 140, but grow upward. It plays a role in allowing you to feel the stimulation of chewing food like the existing natural teeth.
  • the nerve guide hole 141 is an anatomical structure of all teeth, and as a space for nerves and blood vessels to enter the tooth, nerves and blood vessels around the alveolar bone located at the base of natural teeth in the past are transferred to the inside of the fixture 100 .
  • the purpose of the inflow is to increase the surface area of the base of the nerve guide hole 141 to distribute the vertical force according to mastication, thereby preventing inflammation or premature dropout of the alveolar bone and the fixture 100, and prolonging the lifespan.
  • it provides the effect of maintaining the original natural tooth blood vessels and nerve structure network intact.
  • the nerve guide hole 141 formed in the lower fixing block 140 also serves to allow the fixing body 100 to more easily dig into the alveolar bone.
  • the fixing body 100 ′ may be manufactured in a conical structure.
  • the fixture 100' has a hollow hollow structure inside, and a plurality of side distribution parts 110' between two adjacent screw parts 120' along the longitudinal direction of the fixture 100'. ) is formed to be spaced apart at equal intervals along the circumferential direction of the fixture 100', and has a structure connected to the hollow.
  • the plurality of side distribution portions 110 ′ have the same area.
  • a nerve guide hole may be formed at the lower end of the fixture 100 ′ to be connected to the hollow.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne une fixation d'implant conçue pour être anatomiquement/histologiquement proche d'une dent réelle, la fixation d'implant comprenant : une partie d'accouplement de retrait munie de filets de vis inversés sur sa surface circonférentielle interne pour l'accouplement de retrait de la fixation; un bloc de fixation supérieur doté d'une partie d'accouplement de pilier et d'une surface inférieure en forme de cône comportant un trou d'insertion de matériau de greffe osseuse; un bloc de fixation inférieur disposé au-dessous du bloc de fixation supérieur et à distance de celui-ci, et comportant un fond convexe vers le bas; un élément de liaison linéaire reliant le bloc de fixation supérieur et le bloc de fixation inférieur; et une partie de filet de vis entourant l'élément de liaison linéaire sur l'extérieur.
PCT/KR2020/018664 2020-08-03 2020-12-18 Fixation d'implant WO2022030706A1 (fr)

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KR1020200097014A KR102324618B1 (ko) 2020-08-03 2020-08-03 임플란트 고정체
KR10-2020-0097014 2020-08-03

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WO2022030706A1 true WO2022030706A1 (fr) 2022-02-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000157558A (ja) * 1998-11-25 2000-06-13 Twenty One:Kk 歯科用インプラント
KR101075832B1 (ko) * 2009-12-17 2011-10-25 주식회사 네오바이오텍 스크류 제거장치
KR101287078B1 (ko) * 2011-10-11 2013-08-06 주식회사 덴티움 다기능성 내부천공형 임플란트
KR101744914B1 (ko) * 2015-09-08 2017-06-08 서울대학교산학협력단 골고정성 세포 도킹 장치
KR102002218B1 (ko) * 2017-08-18 2019-10-21 박용덕 임플란트 조립체

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000157558A (ja) * 1998-11-25 2000-06-13 Twenty One:Kk 歯科用インプラント
KR101075832B1 (ko) * 2009-12-17 2011-10-25 주식회사 네오바이오텍 스크류 제거장치
KR101287078B1 (ko) * 2011-10-11 2013-08-06 주식회사 덴티움 다기능성 내부천공형 임플란트
KR101744914B1 (ko) * 2015-09-08 2017-06-08 서울대학교산학협력단 골고정성 세포 도킹 장치
KR102002218B1 (ko) * 2017-08-18 2019-10-21 박용덕 임플란트 조립체

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