WO2020179958A1 - Implant dentaire - Google Patents

Implant dentaire Download PDF

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Publication number
WO2020179958A1
WO2020179958A1 PCT/KR2019/003010 KR2019003010W WO2020179958A1 WO 2020179958 A1 WO2020179958 A1 WO 2020179958A1 KR 2019003010 W KR2019003010 W KR 2019003010W WO 2020179958 A1 WO2020179958 A1 WO 2020179958A1
Authority
WO
WIPO (PCT)
Prior art keywords
abutment
protrusion
artificial tooth
coupling
dental implant
Prior art date
Application number
PCT/KR2019/003010
Other languages
English (en)
Korean (ko)
Inventor
김승일
Original Assignee
주식회사 메디덴
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 메디덴 filed Critical 주식회사 메디덴
Publication of WO2020179958A1 publication Critical patent/WO2020179958A1/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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw
    • 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
    • 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
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0022—Self-screwing
    • 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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0057—Connecting devices for joining an upper structure with an implant member, e.g. spacers with elastic means
    • 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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0065—Connecting devices for joining an upper structure with an implant member, e.g. spacers with expandable or compressible means
    • 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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0069—Connecting devices for joining an upper structure with an implant member, e.g. spacers tapered or conical connection

Definitions

  • the present invention relates to a dental implant, and more particularly, when bonding an artificial tooth to an abutment, it can be mutually bonded without using a bonding bond using an adhesive, and by increasing the mutual bonding force between the abutment and the artificial tooth It relates to a dental implant that can improve durability.
  • An implant is an artificial tooth that is implanted into the alveolar bone when the tooth is lost or lost.
  • the procedure using implants is expanding because it is possible to perform only on the lost or lost teeth without damaging the teeth adjacent to the lost or lost teeth.
  • implants are composed of a fixture that is placed in the alveolar bone, an abutment that is fixed to the fixture by a screw, and an artificial tooth (crown) that is covered with the abutment to form the appearance of the implant.
  • the abutment transmits the load applied through the artificial tooth to the artificial tooth root, that is, the load to the jawbone.
  • the size, shape and shape of the artificial tooth The outline should be considered, and in addition, the occlusion with the surrounding teeth and opposing teeth (upper or lower teeth), the condition of the gums, and the gum line should all be reflected.
  • the abutment is being customized through a computer aided design (CAD) or computer aided manufacturing (CAM) system in consideration of the individual characteristics of the patient.
  • CAD computer aided design
  • CAM computer aided manufacturing
  • the abutment has a fatal problem in that it is impossible to remove/separate when post-correction is required, since it relies on a bonding treatment using an adhesive for integrating with an artificial tooth.
  • Korean Patent Publication No. 10-1768410 Korean Patent Publication No. 10-1768410 is disclosed. Republic of Korea Patent Publication No. 10-1768410 discloses that the coupling portion is configured with an outer diameter that is formed to expand by 001 to 01% compared to the inner diameter of the inlet hole of the upper prosthesis, but the expansion of the outer diameter of such a coupling portion is not changed. Since it has a fixed state, if the implant user uses it for a long time, there is a problem that the coupling force between the coupling part and the prosthesis may be weakened.
  • the present invention was conceived to solve the above-described conventional problem, and when the artificial tooth and the abutment are combined with each other, the outer diameter of the abutment is relatively further expanded compared to the initial state before the procedure. It is an object of the present invention to provide a dental implant capable of increasing the bonding force between the artificial tooth and the abutment after the procedure compared to the prior art.
  • another object of the present invention is to provide a dental implant capable of improving overall durability by increasing mutual bonding between an abutment and an artificial tooth.
  • the present invention is to provide a dental implant that can further prevent the occurrence of cracks and the like due to the concentration of a load on the contact area between the artificial tooth and the implant as the vertical/lateral external force acts on the artificial tooth. The purpose.
  • another object of the present invention is to provide a dental implant capable of sufficiently maintaining airtightness without performing a separate cement bonding operation on a contact site between an artificial tooth and an abutment.
  • a fixture to be placed in the gum bone An insertion part inserted into the fastening groove of the fixture, a protrusion protruding upwards of the fixture, and a through hole penetrating the insertion part and the protrusion, and the protrusion extends its circumferential direction so that it can be extended outward by an external force.
  • a plurality of cut-out holes are provided to be spaced apart from each other, and a first thread is formed on an inner circumferential surface thereof;
  • An artificial tooth coupled to the protrusion to surround the outside of the protrusion of the abutment;
  • a first fixing screw that is inserted into the through hole and has one end coupled to the fixture to fix the abutment with respect to the fixture;
  • a second fixing screw that is screwed to the first thread of the abutment and has a second thread formed to expand the protrusion outward, and is inserted into the artificial tooth to fix the artificial tooth with respect to the abutment.
  • a coupling protrusion may be provided on an outer peripheral surface of an upper end of the protrusion of the abutment, and a coupling groove may be provided in the artificial tooth so that the coupling protrusion can be inserted.
  • the coupling protrusion may have a semicircular, semi-elliptical, or triangular cross-sectional shape, and the coupling groove may have a cross-sectional shape corresponding to the coupling protrusion.
  • the coupling protrusion When the coupling protrusion has a triangular cross-sectional shape, the coupling protrusion may have a sectional area gradually enlarged toward the end of the abutment.
  • the coupling protrusion may be formed continuously along the circumferential direction of the protrusion or may be formed in plural to be spaced apart from each other.
  • the protrusion of the abutment includes a support portion having an expanded cross-sectional area to support the artificial tooth from a lower side and an insertion portion that can be inserted into the artificial tooth, and a cross-sectional area gradually expands toward one side at the connecting portion of the support portion and the insertion portion.
  • a first taper part may be provided so as to be possible, and a second taper part may be provided on the artificial tooth to make an interview with the first taper part.
  • the protrusion of the abutment includes a support part having an expanded cross-sectional area to support the artificial tooth from a lower side, and a tooth insertion part that can be inserted into the artificial tooth, and the artificial tooth and the abutment between the support part and the artificial tooth
  • a gasket may be further provided for maintaining airtightness therebetween.
  • the through hole includes a first through hole provided at a position corresponding to the insertion part and a second through hole provided at a position corresponding to the protrusion, and the inner surface of the second through hole is continuous along a circumferential direction thereof.
  • a first inclined surface is provided, and a second inclined surface is continuously provided along the circumferential direction so that surface contact with the first inclined surface is possible on the outer surface of the head of the first fixing screw, and the inclination angle of the second inclined surface is 1 It may be larger than the inclination angle of the inclined surface.
  • the protrusion of the abutment is composed of a plurality of spaced apart in the circumferential direction, and the protrusion is expanded by the tensile force generated when the second fixing screw is screwed to the inside of the abutment.
  • the protrusion is expanded by the tensile force generated when the second fixing screw is screwed to the inside of the abutment.
  • a coupling protrusion and a coupling groove structure on the abutment and the artificial tooth, it is possible to increase mutual coupling force, and a first tapered portion is provided so that the cross-sectional area gradually expands toward one side at the connection portion of the support and insertion portion.
  • the second tapered portion so as to make an interview with the first tapered portion, the load is concentrated by an external force in the vertical/lateral direction to further prevent cracks from occurring in the abutment area, thereby increasing durability.
  • FIG. 1 is a cross-sectional view showing a state in which a dental implant according to a first embodiment of the present invention is installed
  • Figure 2 is an exploded perspective view of the dental implant according to the first embodiment of the present invention
  • FIG. 3 is an exploded cross-sectional view of the dental implant according to the first embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing a state in which an abutment, an artificial tooth, and a fixing screw are combined in a dental implant according to a first embodiment of the present invention
  • FIG. 5 is an exploded cross-sectional view of a dental implant according to a second embodiment of the present invention.
  • FIG. 6 is a cross-sectional view showing a coupled state in a dental implant according to a second embodiment of the present invention.
  • the dental implant according to a preferred embodiment of the present invention does not use a cement bonding method when bonding an artificial tooth and an abutment to each other, and not only can firmly fix the artificial tooth to the abutment, but also finally In the process of attaching the artificial tooth to the abutment before fixing the artificial tooth by screwing it together, it is possible to improve the economical efficiency of the procedure by adopting a structure that allows the artificial tooth to be fixed in position in the horizontal direction quickly.
  • the dental implant according to the embodiment of the present invention adopts a structure in which the outer surface of the abutment can be in close contact with the inner surface of the artificial tooth through screw fastening that fixes the artificial tooth to the abutment.
  • Durability can be improved by increasing the sense of unity between the and artificial teeth, and shaking of the artificial teeth can be prevented even after a long period of use.
  • the dental implant according to the first embodiment of the present invention includes a fixture 100, an abutment 110, an artificial tooth 120, a first fixing screw 130, and It includes a second fixing screw 140.
  • the fixture 100 is placed in a gingival bone (alveolar bone) through a helical coupling method to serve as a structure supporting the abutment 110 and the artificial tooth 120 as a whole.
  • a fastening groove 101 is provided inside the fixture 100.
  • the fastening groove 101 is provided in a relatively lower area, a first fastening groove 102 provided with a thread to be screwed with the first fixing screw 130, and a fixture provided in the upper area of the first fastening groove 102 (100)
  • a second fastening groove made of a polygonal cross-sectional shape such as a square, pentagonal, hexagonal, octagonal, etc. 103).
  • the abutment 110 is a part that is coupled to the fixture 100 to firmly support the artificial tooth 120, and the insertion part 111 and the fixture inserted into the fastening groove 101 of the fixture 100 (100) It includes a protrusion 112 protruding upward.
  • the protrusion 112 of the abutment 110 has a support 113 having an expanded cross-sectional area so as to support the artificial tooth from the lower side, and can be inserted into the artificial tooth. It includes a tooth insertion portion 114.
  • a through hole 115 is provided along the length direction to penetrate the insertion part 111 and the protrusion 112, and the first fixing screw 130 is inserted into the through hole 115 and screwed to the fixture 100 By being fixed through, the abutment 110 is firmly fixed to the fixture 100.
  • the outer surface of the protrusion 112 is in an initial state ( Compared to (before the fastening screw), it is relatively more extended outward, that is, a more open state.
  • the present invention adopts a structure in which the protrusion 112 can be extended further outward through the fastening of the second fixing screw 140 to be described later with the abutment 110, and the extended protrusion As the outer surface of 112 can be more closely attached to the inner surface of the artificial tooth 120, the artificial tooth 120 can be fixed with respect to the abutment 110 without a gap to achieve a solid coupling state.
  • a plurality of cutout holes 116 are provided in the protrusion 112 to be spaced apart from each other along the circumferential direction thereof, and the outer surface of the protrusion 112 is expanded through the cutout holes 116 This becomes possible to implement more easily.
  • the protrusion 112 is made of a plurality of protrusion pieces spaced apart from each other by a plurality of cut-out holes 116, it can be extended outward by an external force for a certain amount or more, and a second fixing screw 140 on the inner peripheral surface of the protrusion 112 A first thread 117 is formed for fastening with.
  • the lower portion of the abutment 110 inserted into the fixture 100 has a polygonal shape such as a square, hexagonal, octagonal angle, etc. to prevent rotation, and the protrusion 112 protruding outward has an overall interior It can be made in an empty circular shape.
  • the first taper so that the cross-sectional area gradually expands toward one side at the connection part between the support part 113 of the abutment 110 and the tooth insertion part 114.
  • Part 118 is provided.
  • the artificial tooth 120 is provided with a second tapered portion 121 to make an interview with the first tapered portion 118.
  • the first tapered portion 118 is made in a form in which the cross-sectional area gradually decreases from the support portion 113 to the tooth insertion portion 114, and the artificial tooth 120 is coupled to the abutment 110 In the first tapered portion 118 and the second tapered portion 121 can be in close contact.
  • the structure of the first tapered portion 118 and the second tapered portion 121 by additionally providing the structure of the first tapered portion 118 and the second tapered portion 121, compared to the case where the connection portion between the support portion 113 and the protrusion portion 112 is substantially orthogonal.
  • the durability of the buttment 110 can be significantly improved.
  • the present invention provides a first taper portion 118 and a second taper portion 121 to prevent the occurrence of such a problem, so that an external force acts in a vertical direction along the length direction of the protrusion 112 and laterally Even if the acting phenomenon is repeated for a long period of time, the external force is not concentrated in the connection portion between the support part 113 and the protrusion part 112 but is distributed around the load, thereby further increasing the durability of the entire implant.
  • the upper outer circumferential surface of the protrusion 112 of the abutment 110 is provided with a coupling protrusion 119, the artificial tooth 120, the coupling protrusion 119 can be inserted
  • the coupling groove 122 is provided so as to be.
  • the coupling protrusion 119 and the coupling groove 122 are made to have a cross-sectional shape corresponding to each other, and when the artificial tooth 120 is coupled to the abutment 110, the artificial tooth 120 is in position, further Specifically, it has the advantage of being able to make it easier and more accurate to perform the horizontal alignment.
  • the coupling protrusion 119 is the coupling groove 122
  • the protrusion 112 is expanded outward again due to elasticity, and the coupling protrusion 119 is inserted into the coupling groove 122.
  • This coupling completion state refers to a state in which the artificial tooth 120 is properly coupled to the abutment 110. If the coupling protrusion 119 and the coupling groove 122 are not provided, the horizontal position coupling of the artificial tooth 120 maintains uniform contact between the upper surface of the support part 113 of the abutment 110 and the bottom surface of the artificial tooth. In this case, the contact area between the support part 113 and the bottom surface of the artificial tooth is narrow, so that it is not easy to engage in the horizontal direction.
  • the coupling protrusion 119 may be formed in a semicircle or semi-elliptical shape.
  • the coupling protrusion 119 may be formed to have a triangular cross-sectional shape.
  • the coupling protrusion 119 is preferably made so that its cross-sectional area gradually expands toward the end (upper part in the drawing) of the abutment 110.
  • the coupling protrusion 119 is provided to have a cross-sectional shape of a semicircle, a semi-ellipse, and a triangle
  • the artificial tooth 120 is coupled to the abutment 110 and then the artificial tooth ( 120) has the advantage of easy separation when it is necessary to separate it again.
  • the coupling protrusion 119 has a triangular shape whose cross-sectional area is enlarged toward the artificial tooth 120 as shown in the drawing, the artificial tooth 120 is moved from the upper direction to the lower side of the abutment 110
  • the outer extension of the protrusion 112 is made instantaneously, and at this time, the sliding between the equilateral sides
  • the coupling protrusion 119 is continuously formed along the circumferential direction of the protrusion 112, and the coupling groove 122 is an insertion hole of the artificial tooth 120 ( 123) can be formed continuously along the circumferential direction.
  • the coupling protrusion 119 is formed in a plurality to be spaced apart from each other along the circumferential direction of the protrusion 112, and the coupling groove 122 is continuously along the circumferential direction of the inner circumferential surface of the insertion hole 123 of the artificial tooth 120 Can be formed.
  • the area occupied by the coupling protrusion 119 can be reduced compared to the former case, the material cost for manufacturing the abutment can be reduced.
  • a gasket for maintaining airtightness between the artificial tooth 120 and the abutment 110 ( 150) is further provided.
  • the present invention can prevent the occurrence of the above-described disadvantages by suppressing the occurrence of voids between the support and the artificial tooth through the gasket 150 to ensure airtightness.
  • the artificial tooth 120 is made by sintering zirconia having no toughness and excellent hardness due to the material characteristics, and the abutment 110 is titanium (Ti) and has a hardness of HRC32 or higher, and conventionally, the airtightness is practically maintained without cement bonding. It wasn't easy.
  • the gasket 150 is formed of a gold (Au) or silver (Ag) material having a certain or more ductility, and the gasket is formed by the artificial tooth 120 when the second fixing screw 140 to be described later is fastened.
  • Au gold
  • Ag silver
  • the gasket 150 may be formed in the form of a ring-shaped washer, and specifically, it may be applied in the form of a flat washer or a wave washer capable of providing a certain degree of elasticity to a peripheral combination.
  • the gasket 150 When the gasket 150 is applied in the form of a wave washer, the gasket 150 has an elastic force in the direction in which the artificial tooth 120 is pushed upward in a state in which the abutment 110 and the artificial tooth 120 are combined. In this case, an external force in the direction of pushing upward is applied to the second fixing screw 140 by the locking projection 124 of the artificial tooth 120. Eventually, the elastic force of the gasket 150 acts as an external force to push the second fixing screw 140 upward, and the second fixing screw 140 with respect to the abutment 110 is loosened by this external force. Can be further prevented and maintain a solid bond.
  • the artificial tooth 120 is coupled to the protrusion 112 in a manner that surrounds the outside of the protrusion 112 of the abutment 110, and the insertion hole 123 is inserted so that the protrusion 112 of the abutment 110 can be inserted. It is provided, specifically, coupled through the fastening between the second fixing screw 140 and the abutment 110.
  • the first fixing screw 130 is inserted into the through hole 115 and has one end coupled to the fixture 100 through screwing, thereby firmly fixing the abutment 110 to the fixture 100.
  • the second fixing screw 140 is screwed to the first thread 117 of the abutment 110 to form a second thread 141 to extend the protrusion 112 outward, and the artificial tooth ( 120) It is inserted inward to fix the artificial tooth 120 with respect to the abutment 110.
  • the protrusion 112 of the abutment 110 when the protrusion 112 of the abutment 110 is formed of a plurality of pieces spaced apart from each other and the second fixing screw 140 is screwed into the protrusion 112, the screw is fastened.
  • the plurality of protruding portion pieces of the protruding portion 112 may be expanded outward by the generated tensile force.
  • the outer surface of the extended protrusion 112 is in close contact with the inner surface of the insertion hole 123 of the artificial tooth 120, and through this close contact, the abutment 110 and the artificial tooth 120 can be rigidly coupled.
  • the implant according to the second embodiment of the present invention is in close contact between the abutment 110 and the artificial tooth 120 using the extension of the protrusion 112 by fastening the second fixing screw 140 as described in the first embodiment.
  • a structure that can further expand the protrusion is added.
  • the through hole of the abutment is provided at the first through hole 261 provided at the inner position corresponding to the insertion part 211 and at the inner position corresponding to the protrusion 212 It includes a second through hole (262).
  • the first through-hole 261 is provided in a straight line along the length direction of the abutment 210 and is provided with an inclined surface in a specific section, and the second through hole 262 is similarly straight along the length direction. It is prepared in a form.
  • the inner surface of the first through hole 261 includes an inclined surface provided in a region in contact with the outer surface of the head of the first fixing screw when the abutment 210 and the first fixing screw 230 are combined. .
  • the first inclined surface 271 is continuously provided on the inner surface of the first through hole 261 along the circumferential direction, and the first inclined surface ( A second inclined surface 272 is continuously provided along the circumferential direction to enable surface contact with the 271.
  • the inclination angle A1 of the second inclined surface 272 is formed larger than the inclination angle A2 of the first inclined surface 271 by a certain amount or more.
  • the inclination angle A1 of the second inclined surface 272 on the outer surface of the head portion with respect to the longitudinal central axis of the first fixing screw 230 may be approximately 14 to 16 degrees.
  • the inclination angle A2 of the first inclined surface 271 with respect to the longitudinal central axis of the abutment 210 may be formed to be approximately 12 to 13 degrees.
  • the first fixing screw 230 is completely inserted into the through hole of the abutment.
  • the outer surface of the protrusion 212 may be widened while being wider than a certain amount, and due to the above-described cutout hole 216, such cross-sectional expansion can be performed more easily.
  • the protrusion 212 can be extended to the outside by a certain amount or more through fastening of the first fixing screw 230, and in addition, as described in the first embodiment, the second fixing screw 240 and the abutment
  • the abutment 210 adopts a structure in which the protrusion 212 can be extended further outward through fastening with the ment 210, and the outer surface of the extended protrusion can be more closely contacted with the inner surface of the artificial tooth 220.
  • the artificial tooth can be fixed without any gap to achieve a solid bond.
  • the structure in which the first external expansion of the protrusion 212 is made through fastening of the first fixing screw 230 and the second external expansion of the protrusion 212 through fastening of the second fixing screw 240 is provided. It is adopted, and it is possible to maintain a strong bonded state by enabling close contact between the outer surface of the protrusion and the inner surface of the artificial tooth through the outer expansion of the protrusion over the second time.
  • the present invention can increase the bonding force between the abutment and the artificial tooth by screwing a fixing screw inside the protrusion of the abutment so that the protrusion expands and adheres to the inner surface of the artificial tooth by the tensile force generated during the coupling.
  • the buttment and the artificial tooth are each provided with a coupling protrusion and a coupling groove structure to increase mutual bonding force, and a first taper part is provided at the connection part of the support part and the insertion part, and a second taper is provided to make an interview with the first taper part on the artificial tooth.

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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

L'invention concerne un implant dentaire. Un implant dentaire selon la présente invention comprend : un accessoire de fixation ; une butée comprenant une partie d'insertion, une saillie faisant saillie vers le sommet de l'accessoire de fixation, et un trou traversant pénétrant dans la partie d'insertion et la saillie, la saillie comportant une pluralité de trous de coupe espacés les uns des autres selon la direction circonférentielle correspondante de façon à être extensible vers l'extérieur d'un degré supérieur ou égal à un degré prédéfini au moyen d'une force externe, et comportant un premier filet sur sa surface circonférentielle intérieure ; une dent artificielle destinée à être accouplée à la saillie de façon à entourer l'extérieur de la saillie de la butée ; une première vis de fixation qui est insérée dans le trou traversant de façon à accoupler une de ses extrémités à l'accessoire de fixation, ce qui permet de fixer la butée par rapport à l'accessoire de fixation ; et une seconde vis de fixation qui possède un second filet destiné à être accouplé par vissage au premier filet de la butée de façon à étendre vers l'extérieur la saillie, et qui fixe la dent artificielle par rapport à la butée.
PCT/KR2019/003010 2019-03-07 2019-03-15 Implant dentaire WO2020179958A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190026129A KR102303869B1 (ko) 2019-03-07 2019-03-07 치과용 임플란트
KR10-2019-0026129 2019-03-07

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Publication Number Publication Date
WO2020179958A1 true WO2020179958A1 (fr) 2020-09-10

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KR (1) KR102303869B1 (fr)
WO (1) WO2020179958A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230248478A1 (en) * 2020-10-20 2023-08-10 Denflex Co., Ltd Dental implant abutment having occlusal force buffering function

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KR102362852B1 (ko) * 2021-07-26 2022-02-14 장천석 인공 치아 간 결합력을 강화한 캡을 포함한 임플란트용 어버트먼트
KR102427069B1 (ko) * 2021-08-04 2022-07-29 덴탈오케이 주식회사 임플란트 크라운 체결 구조 및 체결 방법
KR20230044765A (ko) * 2021-09-27 2023-04-04 주식회사 디오 시멘트가 필요 없는 크라운을 갖는 치과용 어버트먼트 시스템
KR102554857B1 (ko) * 2022-03-29 2023-07-12 아이핸즈코퍼레이션 주식회사 풀림 및 회전 방지 기능이 구비된 임플란트용 어버트먼트
KR102642982B1 (ko) * 2022-12-01 2024-03-05 (주)아름덴티스트리 무시멘트 어버트먼트 조립체
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