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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F08%3A00020281%21RIV09-MPO-22310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
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 μm 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 dental raw material by uniaxial pressing and firing up to 960°C. Dilatometric measurements confirmed that the coefficient of thermal expansion increased by 32 % when 20 wt.% of the tetragonal leucite was added into the basic matrix. In addition, it was showed that the synthesized leucite powder was suitable for the preparation of leuci 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 μm 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 dental raw material by uniaxial pressing and firing up to 960°C. Dilatometric measurements confirmed that the coefficient of thermal expansion increased by 32 % when 20 wt.% of the tetragonal leucite was added into the basic matrix. In addition, it was showed that the synthesized leucite powder was suitable for the preparation of leuci Práce se zabývá syntézou leucitového prášku, jenž je možné použít pro přípravu kompozitu dentální sklo-keramiky po následné tepelné úpravě. Nově vyvinutý postup je založen na přípravě dentální suroviny ve formě směsi oddělených složek: prášku krystalického leucitu připraveného za relativně nízké teploty a prášku komerční matrice. Hydrotermální syntéza částic tetragonálního leucitu s průměrnou velikostí 3 μm byla vyvinuta v naší laboratoři.
dcterms:title
The preparation of dental glass-ceramic composites with controlled fraction of leucite crystals Příprava kompozitu dentální sklo-keramiky s řízeným podílem leucitových krystalů The preparation of dental glass-ceramic composites with controlled fraction of leucite crystals
skos:prefLabel
Příprava kompozitu dentální sklo-keramiky s řízeným podílem leucitových krystalů The preparation of dental glass-ceramic composites with controlled fraction of leucite crystals The preparation of dental glass-ceramic composites with controlled fraction of leucite crystals
skos:notation
RIV/60461373:22310/08:00020281!RIV09-MPO-22310___
n3:aktivita
n13:P
n3:aktivity
P(2A-1TP1/063)
n3:cisloPeriodika
1
n3:dodaniDat
n10:2009
n3:domaciTvurceVysledku
n4:3442624 n4:5343682 n4:6667864
n3:druhVysledku
n14:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
389020
n3:idVysledku
RIV/60461373:22310/08:00020281
n3:jazykVysledku
n17:eng
n3:klicovaSlova
leucite; analcime; hydrothermal synthesis; dental materials
n3:klicoveSlovo
n9:leucite n9:analcime n9:hydrothermal%20synthesis n9:dental%20materials
n3:kodStatuVydavatele
BA - Bosna a Hercegovina
n3:kontrolniKodProRIV
[976615A897C3]
n3:nazevZdroje
Processing and Application of Ceramics
n3:obor
n6:JH
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n18:2A-1TP1%2F063
n3:rokUplatneniVysledku
n10:2008
n3:svazekPeriodika
2
n3:tvurceVysledku
Kloužková, Alexandra Mrázová, Martina Pallich, M. Kohoutková, Martina
s:issn
1820-6131
s:numberOfPages
4
n15:organizacniJednotka
22310