Water Sorption and Solubility of Resin Composite Core Build-up Materials

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Pattawan Jantasi
Tharee Champirat


The aim of the current study was to investigate the water sorption and solubility properties of various core build-up resin composites after 30 days of immersion. Three resin-based materials were tested including MultiCore®Flow, Filtek™Bulk Fill, and Filtek™Z350XT. All 30 specimens (n=10) were prepared according to ISO 4049:2009. The specimens were stored in the desiccator of 37±2 ºC for 22h and at 23±1 ºC for 2h and then weighed with a precision accuracy of ±0.1 mg to obtain the initial constant mass. After a total immersion time of 30 days in distilled water, the specimens were weighed and dried in the desiccator to obtain other constant mass. Water sorption and solubility values were calculated and any statistical differences were determined by using one-way ANOVA at a significant level of 0.05. The result found that MultiCore®Flow and Filtek™Bulk Fill showed lower water sorption value than Filtek™Z350XT significantly (p<0.001) with the value of 15.63±0.88 µg/mm3, 14.46±1.72 µg/mm3, and 18.88 ±1.74 µg/mm3 respectively. Additionally, all tested materials demonstrated significantly different solubility behavior (p<0.001). MultiCore®Flow had the lowest solubility (2.34± 0.59µg/mm3), followed by Filtek™Bulk Fill (4.43±0.96 µg/mm3), and Filtek™Z350XT (6.34±1.17 µg/mm3). In conclusion, resin-based core build-up materials tested in this study exhibited significantly different water sorption and solubility behavior. MultiCore®Flow had the lowest sorption and solubility, while Filtek™Z350XT had the highest. According to ISO 4049 standards, all tested materials showed acceptable water sorption and solubility behavior.

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Jantasi P, Champirat T. Water Sorption and Solubility of Resin Composite Core Build-up Materials. Khon Kaen Dent J [Internet]. 2021 Mar. 28 [cited 2024 Apr. 18];24(1):83-90. Available from: https://he01.tci-thaijo.org/index.php/KDJ/article/view/241334
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