US20070275350A1 - Arrangement of an Implant and/or a Unit Belonging to Said Implant, and Method for Production of the Implant and/or Unit - Google Patents

Arrangement of an Implant and/or a Unit Belonging to Said Implant, and Method for Production of the Implant and/or Unit Download PDF

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Publication number
US20070275350A1
US20070275350A1 US10/582,468 US58246804A US2007275350A1 US 20070275350 A1 US20070275350 A1 US 20070275350A1 US 58246804 A US58246804 A US 58246804A US 2007275350 A1 US2007275350 A1 US 2007275350A1
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Prior art keywords
dental component
titanium dioxide
implant
soft tissue
anatase
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Abandoned
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US10/582,468
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English (en)
Inventor
Jan Hall
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Nobel Biocare Services AG
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Nobel Biocare Services AG
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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0006—Production methods
    • A61C13/0012—Electrolytic coating
    • 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
    • A61C8/0012—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 material or composition, e.g. ceramics, surface layer, metal alloy
    • 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
    • A61C8/0012—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 material or composition, e.g. ceramics, surface layer, metal alloy
    • A61C8/0013—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 material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating
    • 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
    • A61C8/0012—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 material or composition, e.g. ceramics, surface layer, metal alloy
    • A61C8/0013—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 material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating
    • A61C8/0015—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 material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating being a conversion layer, e.g. oxide layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/816—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising titanium oxide
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/04—Metals or alloys
    • A61L27/06—Titanium or titanium alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/022—Anodisation on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/26—Anodisation of refractory metals or alloys based thereon

Definitions

  • the present invention relates to an arrangement with an implant and/or a unit, e.g. spacer sleeve, belonging to said implant, which are intended to extend through a hole formed in a jaw bone and through soft tissue of the jaw bone and to comprise one or more outer layers of titanium dioxide.
  • the invention also relates to a method for production of the implant and/or unit.
  • Implants and spacer sleeves, or units passing through soft tissue, and methods for production of implants and such units in the dental field are already well known on the market and from descriptions in the patent literature and the general literature. Most of the known implants and units are designed in line with a general attempt to achieve good implantation results at reasonable costs. There is therefore a general need to obtain, between the implant and the jaw bone and between the part of the implant and/or unit extending through the soft tissue and the soft tissue, a good and also esthetically satisfactory integration which does not tend to degenerate after a period of implantation.
  • Swedish patent application 0301149-1 in which excellent integration was made possible between jaw bone and implant. Reference is also made to the patent applications filed at the same time as the present one, namely SE 03322-0 and SE 03324-8.
  • the object of the present invention is to solve these problems, inter alia, and it makes use of the knowledge that titanium dioxide can be arranged on the outer surface or outer surfaces of the implant.
  • the application will be effected by means of so-called anodic oxidation, based on known methods according to Swedish patents 99019474-7 and 0001202-1.
  • this known oxidation method has not been proposed to function in the crystalline range.
  • JP 2000116673 ad JP 11033106, Kokubo et al. relating to implant material which can be used in the crystalline range, but in principle outside the dental field.
  • each of the layers mentioned in the introduction will consist of crystalline titanium dioxide which largely or completely assumes the anatase phase.
  • the anatase phase is present in a proportion of 70-100% in one or more layers.
  • the layers can also have a mean thickness in the thickness range of 0.05-10 ⁇ m, preferably 0.5-10 ⁇ m.
  • a large part or all of the outer surface or outer surfaces of the implant or of the unit is provided with the crystalline titanium oxide largely or completely assuming the anatase phase.
  • the titanium dioxide layer according to the invention will stimulate excellent bone guidance and soft tissue integration.
  • the crystalline titanium dioxide can be supplemented with another type of substance stimulating bone growth, e.g. BMP (bone morphogenetic protein).
  • BMP bone morphogenetic protein
  • the feature which can principally be regarded as characterizing the novel method is that it comprises an anodic oxidation procedure.
  • the part or parts bearing said outer layer or outer layers are applied to a liquid or electrolyte under voltage, e.g. sulphuric acid and phosphoric acid.
  • the electrolyte composition and the voltage and the dwell time of the actual part or parts of the implant in the liquid are chosen so that titanium dioxide, largely or completely assuming the anatase phase, is formed.
  • Different electrolyte compositions are associated with different voltages.
  • the voltage is chosen with values between 100 and 270 volts. At lower voltages, the titanium dioxide layer becomes amorphous, and at higher voltages the quantity of rutile in the titanium dioxide layer increases.
  • the layer or layers also provide the possibility of effective soft tissue integration at the part or portion that can be placed against or extend through the soft tissue.
  • the implant production is highly advantageous because methods and procedures already known per se can be used. No modifications are needed to the actual implant or unit structure, and they can be distributed and handled in the manner already practised in the dental field. Likewise, the actual implantation work can follow already established routines, with the difference that bone growth, soft tissue integration and speed are increased. Layers with different properties can be positioned in all areas or selected areas of the implant, should this be desired.
  • FIG. 1 shows a diagrammatic vertical view of an implant provided with a titanium dioxide layer in anatase phase and fitted in a jaw bone (of which part is shown), which layer, compared to the prior art, has an increased ability to guide bone formation,
  • FIG. 2 shows a vertical view of an implantation case different than the one according to FIG. 1 ,
  • FIG. 3 shows a vertical view of parts of an implant in a jaw bone (of which part is shown) and a through-piece belonging to the implant and extending through soft tissue, and portions of the unit that can be placed against the soft tissue have titanium dioxide layers in anatase phase,
  • FIG. 4 shows a diagrammatic side view of titanium dioxide in the anatase phase being applied to an implant by means of anodic oxidation
  • FIG. 5 shows a diagrammatic side view of titanium dioxide in the anatase phase being applied to a unit or soft tissue through-piece belonging to the implant, and
  • FIG. 6 shows, in graph form, the layer thickness as a function of the applied voltage value.
  • a bone 1 comprises jaw bone 2 .
  • the jaw bone is initially provided with a hole, shown symbolically by reference number 4 .
  • An implant 5 which can be of a type known per se is arranged in the hole.
  • the implant can thus comprise, for example, an outer thread 5 a by means of which said implant can be screwed into the hole 4 .
  • the hole can be threaded or unthreaded.
  • the implant is also provided with an upper flange-like portion 5 b which has a peripheral surface 5 b ′ that can be placed against the jaw bone in the upper areas 2 a thereof.
  • the implant can also comprise or be connected to a unit or soft tissue through-piece 5 c, which can consist of or function as a spacer sleeve.
  • a unit or soft tissue through-piece 5 c which can consist of or function as a spacer sleeve.
  • the implant is intended to support a prosthesis, which is indicated symbolically by reference number 6 .
  • the surface of the jaw bone facing the portion 5 b is indicated by 2 a′.
  • the implant according to FIG. 1 is provided along all or most of its outer surface with a thin layer of titanium dioxide which completely or partially, preferably substantially, assumes the crystalline form anatase.
  • Said anatase has been shown to have a powerful bone-growth-stimulating effect, which in FIG. 1 has been illustrated by bone growth 7 surrounding the implant along most of its length.
  • the anatase layer has thus made the surface of the implant able to guide bone formation.
  • the structure of the layer is described in more detail below.
  • the titanium dioxide layer has not been applied to the upper parts of the implant, meaning that a small space with soft tissue is present between the portion and the jaw bone as a result of slight bone absorption.
  • Said space 8 which is normally not desirable, has been shown for illustrative purposes.
  • the implant according to the illustrative embodiment in FIG. 2 can have the same basic structure as the implant 5 ′ in FIG. 1 .
  • the implant has titanium dioxide in the anatase phase only at its upper parts 5 b ′ and 5 c.
  • the application of titanium dioxide in the anatase phase has brought about considerable bone growth 7 ′ in the area concerned, cf. space 8 in FIG. 1 .
  • the titanium dioxide in the anatase phase can thus be used to effectively avoid bone absorption in the area according to the space 8 and in this way to avoid bone absorption and subsidence of soft tissue according to FIG. 1 . This guarantees a good esthetic result even in the long term.
  • FIGS. 1 and 2 can be provided with titanium dioxide along the full outer extent of the implant. In this case, the hole formation has also been shown more clearly and is indicated by 4 ′.
  • the arrangements shown in FIGS. 1 and 2 thus use the ability of the anatase layer to guide bone formation, which ability can be extended substantially compared to known dental techniques.
  • FIG. 3 shows a unit or through-piece 9 extending through the soft tissue 3 .
  • the unit 9 has a length L in the height direction.
  • a length 1 which can be 2 ⁇ 3 of L
  • the unit has been provided, on its outer surface part 9 a, with a thin anatase layer 10 , i.e. with a titanium dioxide layer in the anatase phase.
  • the unit On the remaining part 9 b, with length 1 ′, of the outer surface, the unit has a thin titanium dioxide layer which can be amorphous, rutile or in the anatase phase. Said remaining outer surface part is directed towards the oral cavity, indicated symbolically by 10 .
  • FIG. 1 which can be 2 ⁇ 3 of L
  • reference number 11 also symbolically represents oral epithelium which has a limited extent along the surface of the spacer/unit/through-piece.
  • the connective tissue area 12 extends across the greater part of the area or outer surface 9 a, 9 b and thus corresponds to the outer surface 9 a along the extent 1 .
  • the through-piece 9 can be integrated with or applied in a known manner to the jaw bone implant 13 which in FIG. 3 is fitted in a hole formed in jaw bone 2 in the same way as in the illustrative embodiment according to FIGS. 1 and 2 .
  • the through-piece is also arranged here to support a prosthetic superstructure 14 .
  • FIGS. 4 and 5 show the principle of anodic oxidation, in which use is made of a vessel 15 with liquid containing an electrolyte, e.g. sulfuric acid and phosphoric acid in accordance with the technique indicated in said patent publications.
  • the implant represents an anode 16 , and a contact unit a cathode 17 .
  • the implant is designated by reference number 18 and is completely or partially immersed in the electrolyte 19 .
  • the anode and the cathode are connected respectively to the plus pole and minus pole of a voltage source which is symbolized by 20 .
  • the voltage source can comprise control members of a known type to ensure that the voltage between the anode/implant and the cathode/contact unit located in the electrolyte can be varied if necessary.
  • the voltage U can, for a certain composition of the electrolyte, be varied or set to a first value in the range of 100-270 volts. If the electrolyte has another composition, the value is set to another value which can be in the stated range, i.e. between 100 and 270 volts, so as to obtain on the outer surface or outer surfaces in question a titanium dioxide layer according to the above, which assumes the crystalline anatase phase 7 ′′.
  • the implant 18 can be acted on in the direction of the arrows 20 , and it will be appreciated that the titanium dioxide layer can be varied in terms of thickness and phase by controlling the voltage value by means of said control members or setting members and by moving the implant in the directions of the arrows 20 .
  • the immersion time of the surface or surface parts is also crucial in determining the structure of the titanium dioxide layer.
  • FIG. 5 shows the case where a soft tissue through-piece or unit 1 is coated completely or partially with titanium dioxide in the anatase phase, using equipment according to FIG. 4 .
  • lower parts cf. 9 a in FIG. 3
  • the arrangements according to FIGS. 4 and 5 function in a corresponding manner.
  • FIG. 6 shows how the thickness T can vary as a function of the voltage U for a certain immersion time and for a given electrolyte.
  • the dependence of the layer thickness on, inter alia, the voltage has been represented by the curve 17 .
  • the graph also indicates a first voltage point U 1 where the anatase phase occurs for the layer (cf. 7 ), while U 2 indicates the voltage where the rutile phase occurs.
  • the thickness of the titanium dioxide layer can be chosen in the range of 0.05-10 ⁇ m, for example 0.5-10 ⁇ m. Anatase is present in a proportion of 70-100% in the layer in question.
  • the implant and/or the soft tissue through-piece thus has a portion or portions that can be placed against the jaw bone and/or soft tissue. Each such portion can be unthreaded or can be provided with a thread, groove or pattern. Different layers can be provided on locally distinct sites or on top of one another.
  • the titanium dioxide layer in anatase can be provided with growth-stimulating substance(s), e.g. BMP, which have bone-inducing properties.
  • growth-stimulating substance(s) e.g. BMP

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Ceramic Engineering (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Dermatology (AREA)
  • Medicinal Chemistry (AREA)
  • Transplantation (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
US10/582,468 2003-12-11 2004-12-06 Arrangement of an Implant and/or a Unit Belonging to Said Implant, and Method for Production of the Implant and/or Unit Abandoned US20070275350A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0303323A SE526749C2 (sv) 2003-12-11 2003-12-11 Anordning vid dentalt implantat samt förfarande för dess framställning
SE0303320-0 2003-12-11
PCT/SE2004/001806 WO2005055860A1 (en) 2003-12-11 2004-12-06 Arrangement with an implant and/or a unit belonging to said implant, and method for production of the implant and/or unit

Related Parent Applications (1)

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PCT/SE2004/001806 A-371-Of-International WO2005055860A1 (en) 2003-12-11 2004-12-06 Arrangement with an implant and/or a unit belonging to said implant, and method for production of the implant and/or unit

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US14/109,452 Division US9931184B2 (en) 2003-12-11 2013-12-17 Arrangement with an implant and/or a unit belonging to said implant, and method for production of the implant and/or unit

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US20070275350A1 true US20070275350A1 (en) 2007-11-29

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US10/582,468 Abandoned US20070275350A1 (en) 2003-12-11 2004-12-06 Arrangement of an Implant and/or a Unit Belonging to Said Implant, and Method for Production of the Implant and/or Unit
US14/109,452 Expired - Fee Related US9931184B2 (en) 2003-12-11 2013-12-17 Arrangement with an implant and/or a unit belonging to said implant, and method for production of the implant and/or unit

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US (2) US20070275350A1 (ko)
EP (2) EP1696816B2 (ko)
JP (1) JP5037136B2 (ko)
KR (1) KR101156075B1 (ko)
CN (1) CN1893886B (ko)
AT (1) ATE487435T1 (ko)
AU (1) AU2004296171B2 (ko)
BR (1) BRPI0417510B1 (ko)
DE (1) DE602004030035D1 (ko)
ES (1) ES2356157T5 (ko)
SE (1) SE526749C2 (ko)
WO (1) WO2005055860A1 (ko)
ZA (1) ZA200604764B (ko)

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US20070281280A1 (en) * 2006-05-30 2007-12-06 Ormco Corporation Method and system for single tooth replacement in a growing individual
US20160120625A1 (en) * 2013-06-07 2016-05-05 Straumann Holding Ag Abutment
EP2938287A4 (en) * 2012-12-27 2016-08-10 Tigran Technologies Ab Publ DENTAL IMPLANT UNIT
US20160250389A1 (en) * 2013-08-09 2016-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for depositing coloured markers made from titanium oxides on medical technology products and coating system for producing coated materials
US9931184B2 (en) 2003-12-11 2018-04-03 Nobel Biocare Services Ag Arrangement with an implant and/or a unit belonging to said implant, and method for production of the implant and/or unit
US20180353268A1 (en) * 2014-12-16 2018-12-13 Nobel Biocare Services Ag Dental implant

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ATE516767T1 (de) * 2006-02-28 2011-08-15 Straumann Holding Ag Zweiteiliges implantat mit hydroxylierter kontaktoberfläche für weichgewebe
DE102006021968B4 (de) † 2006-05-04 2013-08-22 Eberhard-Karls-Universität Tübingen Enossales Implantat mit Anatasbeschichtung und Verfahren zur Herstellung
DE102006053260A1 (de) * 2006-07-20 2008-01-24 Clinical House Europe Gmbh Implantat zur Verankerung von Zahnersatz
JP2008307186A (ja) * 2007-06-13 2008-12-25 Univ Kurume 顎骨の再生に使用する顎骨用移植材料及びその製造方法
WO2009015102A1 (en) 2007-07-20 2009-01-29 Cochlear Americas Bone anchor fixture for a medical prosthesis
US20090187253A1 (en) * 2008-01-18 2009-07-23 Sandvik Intellectual Property Ab Method of making a coated medical bone implant and a medical bone implant made thereof
US7964208B2 (en) * 2009-02-25 2011-06-21 Warsaw Orthopedic, Inc. System and methods of maintaining space for augmentation of the alveolar ridge
KR101697162B1 (ko) * 2009-02-26 2017-01-17 노벨 바이오케어 서비시스 아게 치과 임플란트의 위치 및 방위를 나타내는 디바이스
KR101499067B1 (ko) * 2013-08-05 2015-03-06 오스템임플란트(주) 치과용 임플란트 조립체
GB2523814A (en) * 2014-03-07 2015-09-09 Nobel Biocare Services Ag Implant surface composition
ES2735646A1 (es) * 2018-06-19 2019-12-19 Biotechnology Inst I Mas D Sl Metodo de tratamiento superficial de un implante dental o componente protesico, y un implante dental o componente protesico provisto de una superficie nanoporosa
GB201814353D0 (en) 2018-09-04 2018-10-17 Cambridge Nanoceramix Ltd Implant with ceramic coating and method of applying a ceramic coating
WO2021030882A1 (pt) * 2019-08-16 2021-02-25 Dos Santos Pavei Bruno Aperfeiçoamento introduzido em implante dentário

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WO2005055860A1 (en) 2005-06-23
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EP1696816B1 (en) 2010-11-10
CN1893886A (zh) 2007-01-10
KR101156075B1 (ko) 2012-06-21
US20140174939A1 (en) 2014-06-26
BRPI0417510A (pt) 2007-09-11
SE526749C2 (sv) 2005-11-01

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