WO2018041574A1 - Plaque d'implant dentaire pour atrophies maxillaires - Google Patents

Plaque d'implant dentaire pour atrophies maxillaires Download PDF

Info

Publication number
WO2018041574A1
WO2018041574A1 PCT/EP2017/070235 EP2017070235W WO2018041574A1 WO 2018041574 A1 WO2018041574 A1 WO 2018041574A1 EP 2017070235 W EP2017070235 W EP 2017070235W WO 2018041574 A1 WO2018041574 A1 WO 2018041574A1
Authority
WO
WIPO (PCT)
Prior art keywords
dental implant
arm
implant plate
central portion
branches
Prior art date
Application number
PCT/EP2017/070235
Other languages
English (en)
Inventor
Henri DIEDERICH
Original Assignee
Diederich Henri
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 Diederich Henri filed Critical Diederich Henri
Publication of WO2018041574A1 publication Critical patent/WO2018041574A1/fr

Links

Classifications

    • 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
    • A61C8/0031—Juxtaosseous implants, i.e. implants lying over the outer surface of the jaw bone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
    • A61B17/8071—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones for the jaw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8085—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with pliable or malleable elements or having a mesh-like structure, e.g. small strips
    • 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
    • A61C8/0003—Not used, see subgroups
    • A61C8/0004—Consolidating natural teeth
    • A61C8/0006—Periodontal tissue or bone regeneration
    • 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
    • A61C8/0075—Implant heads specially designed for receiving an upper structure

Definitions

  • the invention is directed to the field of dentistry. More specifically, the invention is directed to a dental implant plate for an atrophic maxilla.
  • dental implants are usually directly fixed in the maxillary or in the mandibular crest by a screw configured to carry the artificial tooth.
  • a screw configured to carry the artificial tooth.
  • the fixation of the dental implant become difficult because of the lack of sufficient bone volume and it requires sometime a bone graft or a sinus lift.
  • Prior art patent document published WO 2013/093927 A1 discloses a dental implant consisting of a metal plate.
  • the plate is used for dental implants in case of atrophic maxilla or mandible.
  • the plate is moulded in the mouth of the patient and is fixed in the mouth at three different points.
  • the plate In case of the maxilla, the plate is fixed on the palatal side, on the alveolar crest and on the zygomatic buttress.
  • it requires each time to mould and to create a specific plate according to the patient.
  • the plate is not adaptable everywhere on the maxilla.
  • Prior art patent document published WO 2015/001 137 A1 discloses a system for securing a dental prosthesis in case of severe osseous atrophies.
  • a plate is positioned in the oral cavity and is fixed in a single bone at a distance of the alveolar crest, by means of at least one anchorage in the form of a screw. This construction is voluminous, invasive and its application is limited.
  • Prior art patent document published US 5,052,930 A discloses a juxtaosseous implant for application to the mandible or maxilla.
  • the dental implant has a central portion supporting the artificial tooth and branches configured to be screwed into a bone at points removed from the central portion. This configuration is limited to fixations in maxilla or mandible with a sufficient bone volume and cannot be used in case of atrophic bone.
  • Prior art patent document published WO 2015/063625 A1 discloses a dental implant comprising a main body configured to be implanted in a mandibular or maxillary bone and protruding portions projecting radially outwardly. However, with this configuration, the dental implant is directly fixed in the maxilla or mandible and cannot be used in case of atrophic bones.
  • the invention has for technical problem to provide a solution to at least one shortcoming of the mentioned prior art. More particularly, the invention has for technical problem to provide a dental implant plate for bonding a dental prosthesis in case of maxillary atrophies. The invention has also for technical problem to provide a dental implant plate for maxillary atrophies which provides a good conformability of the dental implant plate on the implantation site and avoids deformations of said plate. The invention has also for technical problem to provide a cost and time effective solution for bonding a dental prosthesis to an atrophic maxilla.
  • the invention is directed to a dental implant plate for bonding a dental prosthesis to a maxilla of a patient, comprising a central portion with a fixation element for supporting the prosthesis; a first arm extending from the central portion along a longitudinal axis, said arm comprising at least one fixation hole; and a second arm extending from the central portion in a direction opposite to the first arm; said second arm comprising at least one fixation hole; wherein the central portion comprises two generally parallel side edges and two ends, each end comprising at least two branches interconnecting said portion with the corresponding arm of the first and second arms.
  • the at least two interconnecting branches comprise two lateral branches forming the two side edges of the central portion.
  • the at least two interconnecting branches comprise at least one, preferably two central branches extending between the two lateral branches.
  • each end of the central portion comprises at least one, preferably at least two apertures laterally between the interconnecting branches.
  • each of the at least two apertures extends longitudinally from the corresponding end of the central portion to the fixation element.
  • each end of the central portion comprises a hole on the longitudinal axis.
  • each of the apertures and/or the holes is configured for promoting osteoblasts growth there-through.
  • each of the first and second arm comprises at least two lateral fixation holes laterally to, and on opposite sides of, the longitudinal axis.
  • the first and/or the second arm comprises at least three of the at least one fixation hole, said holes being on the longitudinal axis.
  • the at least two lateral fixation holes of each of the first and second arm are aligned with an axial fixation hole of each said arms along a transversal axis that crosses the longitudinal axis.
  • first and/or the second arms are generally cross-shaped.
  • each of the first and second arm comprises lateral edges that are generally corrugated around the fixation holes of said each arm.
  • each of the first and the second arm is dimensioned and configured such that said each arm can be folded, twisted and/or cut.
  • each of the interconnecting branches has a mean width comprised between 0.4 and 1 mm preferably, comprised between 0.5 and 0.7 mm.
  • the invention is particularly interesting in that the dental implant plate provides a solution for bonding a dental prosthesis in an atrophic maxilla, without performing any graft bone or sinus lift.
  • the dental implant plate comprises a central portion having two generally parallel side edges and two ends, each end comprising at least two branches interconnecting said portion with the corresponding arm of the first and second arms.
  • the configuration of the central portion provides a good conformability of the dental implant plate on the implantation site.
  • the at least two branches consolidate the junction between the central portion and each of the first and second arms and avoids deformation or movements of the dental implant plate, notably occurring during mastication for example.
  • the configuration of the dental implant plate allows its fixation in the premaxillary area or in the fossa canine of the maxilla.
  • Figure 1 illustrates a top view of the dental implant plate in accordance with the invention
  • Figure 2 is a profile view of the dental implant plate according to Figure 1 ;
  • Figure 3 is a representation of a lateral face of an atrophic maxilla on which is fixed the dental implant plate;
  • Figure 4 is a bottom view of figure 3.
  • reference 2 shows the dental implant plate according to the invention.
  • the dental implant plate 2 is used for bonding a dental prosthesis to a maxilla of a patient.
  • the dental implant plate 2 comprises a central portion 4 with a fixation element 6 for supporting the prosthesis (not shown).
  • the dental implant plate 2 comprises a first arm 8 comprising at least one fixation hole 10 of the dental prosthesis and extending along a longitudinal axis L.
  • the dental implant plate 2 also comprises a second arm 12 extending from the central portion 4 in a direction opposite to the first arm and comprising at least one fixation hole.
  • the fixation holes 10 are configured to receive fixation means (not shown) of the dental implant plate, such as osteosynthesis screws.
  • the central portion 4 of the dental implant plate 2 comprises two generally parallel sides edges 14 and two ends 16.
  • the side edges 14 of the central portion 4 are generally straight.
  • Each end 16 comprises at least two branches 18 interconnecting the central portion 4 with the corresponding arm of the first and second arms 8 and 12. More particularly, the at least two interconnecting branches 18 can comprise two lateral branches 20 forming the two side edges 14 of the central portion 4.
  • the at least two interconnecting branches 18 comprises at least one, preferably two central branches 22 which extend between the two lateral branches 20 of the central portion 4.
  • Each of the interconnecting branches 18 can have a mean width comprised between 0.4 and 1 mm, preferably comprised between 0.5 and 0.7 mm. More preferably, each of the central branches 22 has a width of 0.6 mm and each of the lateral branches has a width of 0.5 mm.
  • Each end 16 of the central portion 4 can comprise at least one aperture 24, preferably two apertures laterally between the interconnecting branches 18.
  • the at least two apertures 24 extend longitudinally from the corresponding end 16 of the central portion 4 to the fixation element 6.
  • Each end 16 of the central portion 4 also comprises one hole 26 on the longitudinal axis L.
  • each of the holes 26 and/ or the apertures 24 can be configured for promoting growth of osteoblasts there-through. The osteoblasts growth provides a supplementary fixation of the dental implant plate in the bone.
  • the first and/or the second arm 8 and 12 comprise at least three of the at least one fixation hole.
  • the at least three fixation holes 10.1 of each arm are on the longitudinal axis L.
  • Each of said arms 8 and 12 also comprises at least two lateral fixation holes 10.2 laterally to, and on opposite sides of, the longitudinal axis L.
  • the at least two lateral fixation holes 10.2 of each of the first and second arms 8 and 12 are aligned with an axial fixation hole 10.1 of each said arms 8 and 12 along a transversal axis T or T that crosses the longitudinal axis L.
  • the axial fixation holes 10.1 and the lateral fixation holes 10.2 of each arm provide a cross-shape of each arm 8 and 12.
  • Each of the first and the second arms 8 and 12 is dimensioned and configured such that said each arm can be folded, twisted and/or cut, in order to conform said dental implant plate 2 to contours of the implantation site.
  • the first and the second arms can have the same length. They can have a length comprised between 13 and 16 mm, preferably comprised between 14 and 15 mm.
  • Each of the first and the second arm 8 and 12 comprises lateral edges 28 that are generally corrugated around the fixation holes 10.1 and 10.2 of each of the first and the second arms 8 and 12.
  • the lateral edges 28 can have a width comprised between 0.8 and 1 mm, more particularly the width can be of 0.9 mm.
  • the fixation holes 10 and 26 can have a diameter comprised between 2 and 3 mm, preferably comprised between 2.5 and 3 mm. More particularly, the diameter of the fixation holes can be of 2.6 mm.
  • the central portion 4 can have a length comprised between 1 1 and 13 mm, more preferably the length can be of 12 mm.
  • the dental implant plate 2 can have a length comprised between 40 and 42 mm, preferably the length is of 41.4 mm.
  • the dental implant plate 2 can be made of biocompatible material having sufficient malleability and flexibility in order to allow the folding of the first and the second arms 8 and 12 relatively to the central portion 4.
  • the dental implant plate 2 can be made in titanium, preferably in titanium grade 2.
  • the thickness of the dental implant plate can be comprised between 0.5 and 0.8 mm, more specifically the thickness can be of 0.6 mm.
  • the fixation element 6 for supporting the dental prosthesis can have a height comprised between 4 and 5 mm, preferably the height is of 4.6 mm.
  • the fixation element 6 can have a depth comprised between 2.5 and 3 mm.
  • the depth can be of 2.8 mm.
  • Figure 3 and figure 4 respectively illustrates a lateral face and a bottonn view of an atrophic maxilla 30, on which is fixed the dental implant plate 2 according to the invention.
  • the dental implant plate 2 is placed over the maxilla such that the fixation element 6 is placed where the prosthesis should be.
  • the dental implant plate 2 is placed transversally to the jaw.
  • Each of the first and the second arms 8 and 12 is folded relative to the central portion 4 by means of the interconnecting branches.
  • the first and the second arms 8 and 12 can be fixed in an area of the maxilla remote from the atrophic area.
  • the first arm is fixed on the external surface of the maxillary bone. More particularly, the first arm 8 can be fixed in the premaxillary area or in the canine fossa (figure
  • the second arm 12 is fixed on the internal surface of the maxilla (figure
  • the interconnecting branches allow the dental implant plate 2 to comply with contours of the implantation site and avoid deformations of the dental implant plate.
  • Each of the first and the second arm 8 and 12 are fixed with fixation means 32, preferably osteosynthesis screws, configured to pass through the fixation holes.
  • fixation means 32 preferably osteosynthesis screws, configured to pass through the fixation holes.
  • the cross shape of the first and the second arm 8 and 12 provides fixations of the dental implant plate in two directions.

Abstract

L'invention concerne une plaque d'implant dentaire (2) pour lier une prothèse dentaire au maxillaire d'un patient, qui comprend une partie centrale (4) avec un élément de fixation (6) pour porter la prothèse dentaire, un premier bras (8) qui s'étend depuis la partie centrale (4) le long d'un axe longitudinal (L), ledit bras comprenant au moins un trou de fixation (10) ; et un second bras (12) qui s'étend depuis la partie centrale (4) dans une direction opposée à celle du premier bras (8) ; ledit second bras (12) comprenant au moins un trou de fixation (10). La partie centrale (4) comprend deux bords latéraux (14) généralement parallèles et deux extrémités (16), chaque extrémité (16) comprenant au moins deux branches (18) interconnectant ladite partie (4) avec le bras correspondant des premier et second bras (8, 12).
PCT/EP2017/070235 2016-08-29 2017-08-09 Plaque d'implant dentaire pour atrophies maxillaires WO2018041574A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU93186A LU93186B1 (en) 2016-08-29 2016-08-29 Dental implant plate for maxillary atrophies
LU93186 2016-08-29

Publications (1)

Publication Number Publication Date
WO2018041574A1 true WO2018041574A1 (fr) 2018-03-08

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ID=56889124

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/070235 WO2018041574A1 (fr) 2016-08-29 2017-08-09 Plaque d'implant dentaire pour atrophies maxillaires

Country Status (2)

Country Link
LU (1) LU93186B1 (fr)
WO (1) WO2018041574A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020014259A1 (fr) 2018-07-09 2020-01-16 Hale Robert G Appareil et procédé pour un implant dentaire transalvéolaire
US20220183732A1 (en) * 2020-12-16 2022-06-16 Individual Implant Solutions, Inc. Apparatus and method of an osteotomy for dental implant

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631813A1 (fr) * 1987-12-02 1989-12-01 Lodde Jean Pierre Implant dentaire universel
US5052930A (en) 1989-11-22 1991-10-01 Lodde Jean Pierre Dental implant and method of implantation
WO2008062256A1 (fr) * 2006-11-22 2008-05-29 Philippe Dacremont Implant dentaire supra-osseux
WO2013093927A1 (fr) 2011-12-19 2013-06-27 Madan Guatam Implants dentaires tridimensionnels
KR20140142933A (ko) * 2013-06-05 2014-12-15 김진홍 치과 임플란트 시술용 지지플레이트
WO2015001137A1 (fr) 2013-07-01 2015-01-08 Martinez Navarro Manuel Angel Système de fixation de prothèse dentaire
WO2015063625A1 (fr) 2013-10-29 2015-05-07 Massimo Zanna Implant dentaire

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631813A1 (fr) * 1987-12-02 1989-12-01 Lodde Jean Pierre Implant dentaire universel
US5052930A (en) 1989-11-22 1991-10-01 Lodde Jean Pierre Dental implant and method of implantation
WO2008062256A1 (fr) * 2006-11-22 2008-05-29 Philippe Dacremont Implant dentaire supra-osseux
WO2013093927A1 (fr) 2011-12-19 2013-06-27 Madan Guatam Implants dentaires tridimensionnels
KR20140142933A (ko) * 2013-06-05 2014-12-15 김진홍 치과 임플란트 시술용 지지플레이트
WO2015001137A1 (fr) 2013-07-01 2015-01-08 Martinez Navarro Manuel Angel Système de fixation de prothèse dentaire
WO2015063625A1 (fr) 2013-10-29 2015-05-07 Massimo Zanna Implant dentaire

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020014259A1 (fr) 2018-07-09 2020-01-16 Hale Robert G Appareil et procédé pour un implant dentaire transalvéolaire
CN112654328A (zh) * 2018-07-09 2021-04-13 个人植入解决方案股份有限公司 经牙槽的牙种植体的装置和方法
EP3820400A4 (fr) * 2018-07-09 2022-03-23 Individual Implant Solutions, Inc. Appareil et procédé pour un implant dentaire transalvéolaire
US11678918B2 (en) 2018-07-09 2023-06-20 Individual Implant Solutions, Inc. Apparatus and method for a transalveolar dental implant
US20220183732A1 (en) * 2020-12-16 2022-06-16 Individual Implant Solutions, Inc. Apparatus and method of an osteotomy for dental implant

Also Published As

Publication number Publication date
LU93186B1 (en) 2018-03-28

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