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Preparation of leucite raw material for dental composites

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F09%3A00022481" target="_blank" >RIV/60461373:22310/09:00022481 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    čeština

  • Original language name

    Příprava leucitové suroviny pro dentální kompozit

  • Original language description

    Leucite (KAlSi2O6) is the main crystalline phase in feldspathic dental materials. This work is dealing with synthesis of leucite powder, which can be used for the preparation of dental glass-ceramic composites by subsequent thermal treatment. Newly developed procedure is based on preparation of dental raw material as a mixture of two separate compounds: the crystalline leucite powder prepared at relatively low temperature and a commercial matrix powder. Hydrothermal synthesis of tetragonal leucite particles (KAlSi2O6) with the average size of about 3 ?m was developed in our laboratory. The leucite dental raw material was prepared by mixing of 20 wt% of synthetic tetragonal leucite with commercial matrix. Dental composites were prepared from the dentalraw material by uniaxial pressing and firing up to 960°C. Dilatometric measurements confirmed that the coefficient of thermal expansion increased by 15% when 20 wt% of the tetragonal leucite was added into the basic matrix. In addition, i

  • Czech name

    Příprava leucitové suroviny pro dentální kompozit

  • Czech description

    Leucite (KAlSi2O6) is the main crystalline phase in feldspathic dental materials. This work is dealing with synthesis of leucite powder, which can be used for the preparation of dental glass-ceramic composites by subsequent thermal treatment. Newly developed procedure is based on preparation of dental raw material as a mixture of two separate compounds: the crystalline leucite powder prepared at relatively low temperature and a commercial matrix powder. Hydrothermal synthesis of tetragonal leucite particles (KAlSi2O6) with the average size of about 3 ?m was developed in our laboratory. The leucite dental raw material was prepared by mixing of 20 wt% of synthetic tetragonal leucite with commercial matrix. Dental composites were prepared from the dentalraw material by uniaxial pressing and firing up to 960°C. Dilatometric measurements confirmed that the coefficient of thermal expansion increased by 15% when 20 wt% of the tetragonal leucite was added into the basic matrix. In addition, i

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JH - Ceramics, fire-proof materials and glass

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/2A-1TP1%2F063" target="_blank" >2A-1TP1/063: New glass and ceramic materials and advanced concepts of their preparation and manufactoring</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2009

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings-VIIIth International conference PREPARATION OF CERAMIC MATERIALS

  • ISBN

    978-80-553-0208-9

  • ISSN

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

  • Publisher name

    Department of Ceramics, Faculty of Metallurgy, Technical University of Košice

  • Place of publication

    Košice

  • Event location

    Herlany

  • Event date

    Jun 9, 2009

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article