FR3103190B1 - Article dentaire, poudre pour article dentaire et procede de fabrication d’un tel article - Google Patents

Article dentaire, poudre pour article dentaire et procede de fabrication d’un tel article Download PDF

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Publication number
FR3103190B1
FR3103190B1 FR1912715A FR1912715A FR3103190B1 FR 3103190 B1 FR3103190 B1 FR 3103190B1 FR 1912715 A FR1912715 A FR 1912715A FR 1912715 A FR1912715 A FR 1912715A FR 3103190 B1 FR3103190 B1 FR 3103190B1
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Prior art keywords
article
yb2o3
powder
hfo2
equal
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Expired - Fee Related
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FR1912715A
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English (en)
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FR3103190A1 (fr
Inventor
Fanny Angot
Eric Lintingre
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Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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Saint Gobain Centre de Recherche et dEtudes Europeen SAS
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Priority to FR1912715A priority Critical patent/FR3103190B1/fr
Priority to US17/775,909 priority patent/US20220378669A1/en
Priority to PCT/EP2020/082127 priority patent/WO2021094579A1/fr
Publication of FR3103190A1 publication Critical patent/FR3103190A1/fr
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    • 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
    • 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
    • A61K6/824—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising transition metal oxides
    • 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
    • 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
    • A61K6/818—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising zirconium 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
    • A61K6/822—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising rare earth metal oxides
    • 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
    • A61K6/849—Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
    • A61K6/878—Zirconium oxide
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
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    • 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
    • C04B2235/77—Density
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    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/781—Nanograined materials, i.e. having grain sizes below 100 nm
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    • 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
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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    • 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
    • C04B2235/9646—Optical properties
    • C04B2235/9653—Translucent or transparent ceramics other than alumina

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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)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Inorganic Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dentistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dental Preparations (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

Poudre destinée à la fabrication d’un article dentaire fritté, la poudre présentant - une analyse chimique telle que, en pourcentages en masse sur la base des oxydes : - Al2O3 : ≤ 0,2%, - oxydes autres que ZrO2, HfO2, Yb2O3, Y2O3 et Al2O3 : < 0,5%, - ZrO2 + HfO2 + Yb2O3 + Y2O3 : complément à 100%, avec HfO2 < 2%,les teneurs en Yb2O3 et Y2O3, en pourcentages molaires sur la base de la somme de ZrO2, HfO2, Yb2O3 et Y2O3, étant telles que Yb2O3 ≥ 1%, 0,5% ≤ Y2O3 < 2%, et Yb2O3 + Y2O3 ≤ 5,5%,- une surface spécifique supérieure ou égale à 5 m2/g et inférieure ou égale à 16 m2/g, et- une taille médiane supérieure ou égale à 0,1 µm et inférieure ou égale à 0,7 µm. Pas de figure d’abrégé
FR1912715A 2019-11-14 2019-11-14 Article dentaire, poudre pour article dentaire et procede de fabrication d’un tel article Expired - Fee Related FR3103190B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1912715A FR3103190B1 (fr) 2019-11-14 2019-11-14 Article dentaire, poudre pour article dentaire et procede de fabrication d’un tel article
US17/775,909 US20220378669A1 (en) 2019-11-14 2020-11-13 Dental item, powder for dental item and method for manufacturing such an item
PCT/EP2020/082127 WO2021094579A1 (fr) 2019-11-14 2020-11-13 Article dentaire, poudre pour article dentaire et procede de fabrication d'un tel article

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1912715A FR3103190B1 (fr) 2019-11-14 2019-11-14 Article dentaire, poudre pour article dentaire et procede de fabrication d’un tel article
FR1912715 2019-11-14

Publications (2)

Publication Number Publication Date
FR3103190A1 FR3103190A1 (fr) 2021-05-21
FR3103190B1 true FR3103190B1 (fr) 2021-12-03

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FR1912715A Expired - Fee Related FR3103190B1 (fr) 2019-11-14 2019-11-14 Article dentaire, poudre pour article dentaire et procede de fabrication d’un tel article

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US (1) US20220378669A1 (fr)
FR (1) FR3103190B1 (fr)
WO (1) WO2021094579A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12239500B2 (en) 2023-02-15 2025-03-04 Ivoclar Vivadent Ag Pre-sintered multi-layered dental mill blank, process for preparing the same, and uses thereof, and a sintering process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3368090B2 (ja) * 1994-04-22 2003-01-20 品川白煉瓦株式会社 ジルコニア質焼結体及びその製造方法、並びに、粉砕用部品材料及び歯科矯正用ブラケット材料
CN100436373C (zh) * 2006-03-03 2008-11-26 中国科学院上海硅酸盐研究所 氧化镱和氧化钇共稳定的氧化锆陶瓷材料及制备方法
EP3210953A1 (fr) 2008-04-09 2017-08-30 Tosoh Corporation Corps fritté translucide à base de zirconium, son procédé de production et son utilisation
CN103857625B (zh) * 2011-10-10 2015-11-25 3M创新有限公司 气凝胶、煅烧和结晶制品以及制备它们的方法
WO2015098765A1 (fr) 2013-12-24 2015-07-02 東ソー株式会社 Corps fritté de zircone translucide et poudre de zircone, et leur utilisation
US10273191B2 (en) * 2015-01-15 2019-04-30 Tosoh Corporation Translucent zirconia sintered body, method for manufacturing same, and use thereof
CN107226695B (zh) * 2017-05-15 2019-11-08 杭州而然科技有限公司 一种易铣磨氧化锆陶瓷及其制备方法

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Publication number Publication date
FR3103190A1 (fr) 2021-05-21
WO2021094579A1 (fr) 2021-05-20
US20220378669A1 (en) 2022-12-01

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