The influence of different radiopacifying agents on hermetical sealing ability of calcium silicate and calcium aluminate dental cements

This study presents technological process for obtaining strontium enriched calcium silicate based dental ceramics and testing their microstructural and chemical properties. In brief, the influence of different radiopacifiers on microstructural properties of calciumsilicate (CaSi) and calcium-alumina...

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Bibliographic Details
Published in:Science of sintering 2024, Vol.56 (4), p.505-517
Main Authors: Cetkovic, Dejan, Zhiyu, Cai, Vukovic, Nemanja, Vukovic, Zorica, Lei, Huaxiang, Biocanin, Vladimir, Huang, Xiaojing, Jokanovic, Vukoman, Antonijevic, Djordje, Dozic, Aleksandra
Format: Article
Language:English
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Summary:This study presents technological process for obtaining strontium enriched calcium silicate based dental ceramics and testing their microstructural and chemical properties. In brief, the influence of different radiopacifiers on microstructural properties of calciumsilicate (CaSi) and calcium-aluminate (CaAl) dental ceramics was evaluated. For synthesis of CaSi-based ceramics, calcium chloride pentahydrate (CaCl2?5H2O) and silica sol obtained by hydrothermal treatment were used. CaSi+barium-sulphate (BaSO4), CaSi + bismuth-oxide (Bi2O3), CaAl + zirconium-dioxide (ZrO2), CaAl + strontium-carbonate (SrCO3), CaAl+strontium-fluoride (SrF2), pure CaSi, pure CaAl and mineral trioxide aggregate (MTA) (control material) were used. The wettability, surface free energy (SFE), microporosity, nanoporosity and micro-gap size between the material and tooth root canal were evaluated. There was no difference in total SFE among tested cements (p
ISSN:0350-820X
1820-7413
DOI:10.2298/SOS231203065C