FR2446262A1 - Verre-ceramique de reconstitution dentaire et son procede de fabrication - Google Patents

Verre-ceramique de reconstitution dentaire et son procede de fabrication

Info

Publication number
FR2446262A1
FR2446262A1 FR7930199A FR7930199A FR2446262A1 FR 2446262 A1 FR2446262 A1 FR 2446262A1 FR 7930199 A FR7930199 A FR 7930199A FR 7930199 A FR7930199 A FR 7930199A FR 2446262 A1 FR2446262 A1 FR 2446262A1
Authority
FR
France
Prior art keywords
glass
degrees
mole percent
temperature
ceramic
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.)
Granted
Application number
FR7930199A
Other languages
English (en)
Other versions
FR2446262B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Florida State University
University of Florida
Original Assignee
Florida State University
University of Florida
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 Florida State University, University of Florida filed Critical Florida State University
Publication of FR2446262A1 publication Critical patent/FR2446262A1/fr
Application granted granted Critical
Publication of FR2446262B1 publication Critical patent/FR2446262B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0007—Compositions for glass with special properties for biologically-compatible glass
    • C03C4/0021—Compositions for glass with special properties for biologically-compatible glass for dental use
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/70—Preparations for dentistry comprising inorganic additives
    • A61K6/71—Fillers
    • A61K6/76—Fillers comprising silicon-containing compounds
    • 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
    • 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
    • A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
    • A61K6/833—Glass-ceramic composites
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
    • C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0036—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents
    • C03C10/0045—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents containing SiO2, Al2O3 and MgO as main constituents

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Molecular Biology (AREA)
  • Glass Compositions (AREA)
  • Dental Preparations (AREA)

Abstract

Verre-céramique de reconstitution dentaire caractérisé en ce qu'il est essentiellement constitué d'environ 25 à 33 moles pour cent de Li2 O, d'environ 73,5 à environ 52 moles pour cent de SiO2 , d'environ 0,5 à environ 5 moles pour cent d'Al2 O3 et d'environ 1 à environ 10 moles pour cent de CaO. Le procédé de fabrication du verre-céramique consiste à : A. préparer une masse fondue homogène ayant la composition de ce verre cristallisable thermiquement; B. refroidir cette masse fondue à une température au moins comprise dans sa gamme de transformation; C. traiter thermiquement cet article de verre à une température d'environ 490 degrés C à environ 575 degrés C; D. traiter thermiquement l'article résultant de l'opération C. à une température d'environ 600 degrés C à environ 700 degrés C; E. refroidir l'article de verre-céramique ainsi obtenu à la température ambiante. Application en art dentaire.
FR7930199A 1979-01-09 1979-12-10 Verre-ceramique de reconstitution dentaire et son procede de fabrication Granted FR2446262A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/002,019 US4189325A (en) 1979-01-09 1979-01-09 Glass-ceramic dental restorations

Publications (2)

Publication Number Publication Date
FR2446262A1 true FR2446262A1 (fr) 1980-08-08
FR2446262B1 FR2446262B1 (fr) 1984-06-08

Family

ID=21698884

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7930199A Granted FR2446262A1 (fr) 1979-01-09 1979-12-10 Verre-ceramique de reconstitution dentaire et son procede de fabrication
FR8009317A Expired FR2454298B1 (fr) 1979-01-09 1980-04-25 Verre-ceramique de reconstitution dentaire et son procede de fabrication

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR8009317A Expired FR2454298B1 (fr) 1979-01-09 1980-04-25 Verre-ceramique de reconstitution dentaire et son procede de fabrication

Country Status (8)

Country Link
US (1) US4189325A (fr)
JP (1) JPS55126546A (fr)
AU (1) AU530099B2 (fr)
CA (1) CA1120960A (fr)
DE (1) DE2949619A1 (fr)
FR (2) FR2446262A1 (fr)
GB (1) GB2041349B (fr)
IT (1) IT1212375B (fr)

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GB2041349B (en) 1983-03-23
JPS55126546A (en) 1980-09-30
US4189325A (en) 1980-02-19
FR2454298B1 (fr) 1985-12-20
DE2949619A1 (de) 1980-11-27
CA1120960A (fr) 1982-03-30
AU530099B2 (en) 1983-06-30
FR2446262B1 (fr) 1984-06-08
IT7928272A0 (it) 1979-12-20
JPS6320779B2 (fr) 1988-04-30
IT1212375B (it) 1989-11-22
GB2041349A (en) 1980-09-10
AU5358279A (en) 1980-07-17
FR2454298A1 (fr) 1980-11-14

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