KR20240113802A - 치과용 알루미나 피가공체 - Google Patents

치과용 알루미나 피가공체 Download PDF

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Publication number
KR20240113802A
KR20240113802A KR1020247020760A KR20247020760A KR20240113802A KR 20240113802 A KR20240113802 A KR 20240113802A KR 1020247020760 A KR1020247020760 A KR 1020247020760A KR 20247020760 A KR20247020760 A KR 20247020760A KR 20240113802 A KR20240113802 A KR 20240113802A
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KR
South Korea
Prior art keywords
alumina
dental
sintering
workpiece
point
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
KR1020247020760A
Other languages
English (en)
Korean (ko)
Inventor
신이치로 가토
히로유키 사카모토
기리히로 나카노
노부스케 가시키
히로시게 이시노
Original Assignee
쿠라레 노리타케 덴탈 가부시키가이샤
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 쿠라레 노리타케 덴탈 가부시키가이샤 filed Critical 쿠라레 노리타케 덴탈 가부시키가이샤
Publication of KR20240113802A publication Critical patent/KR20240113802A/ko
Pending legal-status Critical Current

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    • 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
    • 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
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/15—Compositions characterised by their physical properties
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/15—Compositions characterised by their physical properties
    • A61K6/17—Particle size
    • 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
    • C04B35/10—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 aluminium oxide
    • C04B35/111—Fine ceramics
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/785—Submicron sized grains, i.e. from 0,1 to 1 micron
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/786—Micrometer sized grains, i.e. from 1 to 100 micron
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (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)
  • Ceramic Engineering (AREA)
  • Dentistry (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dental Preparations (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Dental Prosthetics (AREA)
KR1020247020760A 2021-12-27 2022-12-16 치과용 알루미나 피가공체 Pending KR20240113802A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021213567 2021-12-27
JPJP-P-2021-213567 2021-12-27
PCT/JP2022/046497 WO2023127564A1 (ja) 2021-12-27 2022-12-16 歯科用アルミナ被加工体

Publications (1)

Publication Number Publication Date
KR20240113802A true KR20240113802A (ko) 2024-07-23

Family

ID=86998833

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247020760A Pending KR20240113802A (ko) 2021-12-27 2022-12-16 치과용 알루미나 피가공체

Country Status (4)

Country Link
US (1) US20250090427A1 (https=)
JP (1) JPWO2023127564A1 (https=)
KR (1) KR20240113802A (https=)
WO (1) WO2023127564A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001213664A (ja) 2000-01-28 2001-08-07 Sumitomo Chem Co Ltd アルミナ焼結体とその製造方法およびその用途
JP2005514305A (ja) 2001-12-28 2005-05-19 スリーエム イノベイティブ プロパティズ カンパニー 多結晶透光性アルミナ系セラミック材料
JP2017185163A (ja) 2016-02-19 2017-10-12 株式会社松風 色調再現性が高い多層構造歯科切削加工用セラミックスブランク
WO2019131782A1 (ja) 2017-12-26 2019-07-04 クラレノリタケデンタル株式会社 歯科用に好適なジルコニア仮焼体
WO2020138316A1 (ja) 2018-12-27 2020-07-02 クラレノリタケデンタル株式会社 歯科用に好適なジルコニア仮焼体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4395605B2 (ja) * 2002-06-13 2010-01-13 独立行政法人産業技術総合研究所 酸化アルミニウム耐摩耗性部材及びその製造方法
JP4122431B2 (ja) * 2003-04-04 2008-07-23 独立行政法人産業技術総合研究所 層状構造を有する酸化アルミニウム耐摩耗性部材及びその製造方法
JP6725115B2 (ja) * 2017-12-25 2020-07-15 昭和電工株式会社 アルミナ焼結体、砥粒、及び砥石
DE102020121993A1 (de) * 2020-08-21 2022-02-24 Ivoclar Vivadent Ag Aluminiumoxid-Keramikmaterial

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001213664A (ja) 2000-01-28 2001-08-07 Sumitomo Chem Co Ltd アルミナ焼結体とその製造方法およびその用途
JP2005514305A (ja) 2001-12-28 2005-05-19 スリーエム イノベイティブ プロパティズ カンパニー 多結晶透光性アルミナ系セラミック材料
JP2017185163A (ja) 2016-02-19 2017-10-12 株式会社松風 色調再現性が高い多層構造歯科切削加工用セラミックスブランク
WO2019131782A1 (ja) 2017-12-26 2019-07-04 クラレノリタケデンタル株式会社 歯科用に好適なジルコニア仮焼体
WO2020138316A1 (ja) 2018-12-27 2020-07-02 クラレノリタケデンタル株式会社 歯科用に好適なジルコニア仮焼体

Also Published As

Publication number Publication date
US20250090427A1 (en) 2025-03-20
WO2023127564A1 (ja) 2023-07-06
JPWO2023127564A1 (https=) 2023-07-06

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Date Code Title Description
PA0105 International application

Patent event date: 20240621

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application