Soraya Dian Permata Rezky, - and Titien Hary Agustantina, - and Devi Rianti, - (2010) Perendaman semen ionomer kaca konvensional dalam kefir terhadap kekerasan permukaan. Dentofasial / Journal of Dentomaxillofacial Science.

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Abstract

Conventional glass ionomer cement is a restorative material used in dentistry. Kefir is a beverage as a result of milk fermentation milk and kefir seeds. Know the change of surface hardness in conventional glass ionomer cement after soaking in kefir. Nine sample discs (5 mm in diameter and 3 mm thick) were prepared, each disc contained 6 samples. All samples prepared following the manufacturers’ instructions then kept for 24 hours at room temperature before soaking in aquades and kefir. Vickers microhardness was used to measure the surface hardness at the top surface of the sample. Data were statistically analyzed using ANOVA and LSD (p < 0.05). This study indicated that soaking of conventional glass ionomer cement in aquades and kefir decreased surface hardness. The conclusion is conventional glass ionomer cement soaked in kefir for a long time (108 hours) decreased in the surface hardness largely.

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