CA3256457A1 - RAW PROCESS AND ITS MANUFACTURING PROCESS - Google Patents

RAW PROCESS AND ITS MANUFACTURING PROCESS

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Publication number
CA3256457A1
CA3256457A1 CA3256457A CA3256457A CA3256457A1 CA 3256457 A1 CA3256457 A1 CA 3256457A1 CA 3256457 A CA3256457 A CA 3256457A CA 3256457 A CA3256457 A CA 3256457A CA 3256457 A1 CA3256457 A1 CA 3256457A1
Authority
CA
Canada
Prior art keywords
layer
blank
oxide
region
ceramic material
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3256457A
Other languages
English (en)
French (fr)
Inventor
Lothar Völkl
Stefan Fecher
Martin Kutzner
Sven GIESE
Christian Kohler
Original Assignee
Degudent GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=81389195&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA3256457(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Degudent GmbH filed Critical Degudent GmbH
Publication of CA3256457A1 publication Critical patent/CA3256457A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • A61C13/0022—Blanks or green, unfinished dental restoration parts
    • 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
    • A61C13/08—Artificial teeth; Making same
    • A61C13/082—Cosmetic aspects, e.g. inlays; Determination of the colour
    • 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
    • A61C13/08—Artificial teeth; Making same
    • A61C13/083—Porcelain or ceramic teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/70—Tooth crowns; Making thereof
    • 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
    • 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
    • A61K6/807—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising magnesium oxide
    • 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
    • A61K6/813—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising iron oxide
    • A—HUMAN NECESSITIES
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    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/818—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising zirconium oxide
    • A—HUMAN NECESSITIES
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    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/822—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising rare earth metal oxides
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    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/824—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising transition metal oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
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    • C01G25/02—Oxides
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    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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    • C04B2237/58—Forming a gradient in composition or in properties across the laminate or the joined articles
    • C04B2237/582—Forming a gradient in composition or in properties across the laminate or the joined articles by joining layers or articles of the same composition but having different additives
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/486—Fine ceramics

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dentistry (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dental Preparations (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Dental Prosthetics (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
CA3256457A 2022-04-27 2023-04-04 RAW PROCESS AND ITS MANUFACTURING PROCESS Pending CA3256457A1 (en)

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EP22170325.9A EP4197486B1 (de) 2022-04-27 2022-04-27 Rohling sowie verfahren zur herstellung eines solchen
EP22170325.9 2022-04-27
PCT/EP2023/058748 WO2023208533A1 (en) 2022-04-27 2023-04-04 Blank and method for manufacturing the same

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WO2025003205A1 (en) * 2023-06-28 2025-01-02 Degudent Gmbh A multilayer dental restoration with improved esthetical and mechanical properties
EP4483839A1 (en) * 2023-06-28 2025-01-01 DeguDent GmbH A blank for use in preparing a dental bridge comprising at least one transition region

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JPH0833701A (ja) 1994-07-21 1996-02-06 Shinagawa Refract Co Ltd ジルコニア質医療用材料及びその製造方法
EP0943296A1 (de) 1998-03-17 1999-09-22 Eidgenössische Technische Hochschule Zürich Zahnkronen und/oder Zahnbrücken
US20050164045A1 (en) 2004-01-27 2005-07-28 Ivoclar Vivadent Ag Method for the production of an oxide ceramic shaped part and a part produced by such method
TWI414425B (zh) 2009-03-13 2013-11-11 Chan Li Machinery Co Ltd Multi-layer tissue with pressure-resistant adhesive structure
EP2371344A1 (en) 2010-03-31 2011-10-05 Straumann Holding AG Body made of a ceramic material
US10028809B2 (en) 2012-10-17 2018-07-24 3M Innovative Properties Company Multi sectional dental zirconia milling block, process of production and use thereof
WO2014124874A1 (de) * 2013-02-13 2014-08-21 Ceramtec Gmbh Ein- und mehrphasige werkstoffe auf basis von zirkonoxid
US9353012B2 (en) * 2013-03-15 2016-05-31 Amedica Corporation Charge-compensating dopant stabilized alumina-zirconia ceramic materials and related materials, apparatus, and methods
WO2015199018A1 (ja) 2014-06-23 2015-12-30 東ソー株式会社 着色透光性ジルコニア焼結体と粉末、及びその用途
DE102015122861A1 (de) 2015-12-28 2017-06-29 Degudent Gmbh Verfahren zur Herstellung eines Rohlings, Rohling sowie eine dentale Restauration
CN113105232A (zh) 2020-10-10 2021-07-13 深圳爱尔创口腔技术有限公司 氧化锆组合物、氧化锆预烧体及制备方法、氧化锆烧结体及制备方法和氧化锆牙科制品
CN113101230A (zh) 2021-03-03 2021-07-13 深圳爱尔创口腔技术有限公司 氧化锆组合物、荧光氧化锆及制备方法和氧化锆牙科制品

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US20250275839A1 (en) 2025-09-04
WO2023208533A1 (en) 2023-11-02
JP2025516223A (ja) 2025-05-27
WO2023208533A9 (en) 2024-12-19
ES2983170T3 (es) 2024-10-22
EP4197486A1 (de) 2023-06-21

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