Naslov
Long-term water sorption and solubility of experimental bioactive compositesbased on amorphous calcium phosphate and bioactive glass
(Long-term water sorption and solubility of experimental bioactive composites based on amorphous calcium phosphate and bioactive glass)

Autori
Par, Matej ; Španović, Nika ; Bjelovučić, Ruza ; Marović, Danijela ; Schmalz, Gottfried ; Gamulin, Ozren ; Tarle, Zrinka

Izvornik
Dental materials journal (0287-4547) 38 (2019), 4; 555-564

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Amorphous calcium phosphate ; Bioactive glass ; Remineralizing composite ; Bioactive composite ; ISO 4049

Sažetak
The aim of this study was to evaluate water sorption and solubility of two series of experimental composites containing amorphous calcium phosphate (ACP) or bioactive glass (BG). Water sorption and solubility were measured for up to 287 days. The surface precipitation of calcium phosphates was evaluated by scanning electron microscopy. The ACP-series showed higher water sorption (223–568 μg/mm3) than the BG-series (40–232 μg/mm3). In contrast, the ACP-series had generally lower solubility (37–106 μg/mm3) than the BG-series (1–506 μg/mm3). The constant specimen mass for the ACP-series was attained after 14 days of water immersion, while the mass decrease due to long-term solubility in the BG-series lasted beyond 287 days. Calcium phosphates precipitated in composites with the BG filler loading of 10 wt% or more, as well as in all of the ACP-containing composites. The experimental composite series showed water sorption and solubility considerably higher than commercial materials.

Izvorni jezik
Engleski

Znanstvena područja
Dentalna medicina

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