RIFQI BIN GADI, 020810077 (2012) PENGARUH PERENDAMAN RESIN AKRILIK HEAT CURED DALAM EKSTRAK SERBUK KAYU SIWAK (Salvadora persica) 25% TERHADAP KEKUATAN IMPAK (PENELITIAN EKSPERIMENTAL LABORATORIS). Skripsi thesis, UNIVERSITAS AIRLANGGA.

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Abstract

Background: One of the methods of cleaning denture is by immersing acrylic denture into denture cleanser solutions. Salvadora persica contains alkaloid, sulfur, chloride and saponin which can reduce colonies of Candida albicans on acrylic resins and also polyphenol and chloride that can cause damage to acrylic resins. Purpose: The purpose of this research is to observe the effect of immersing acrylic resins in Salvadora persica extract solution 25% to the impact strength of heat cured acrylic resins. Materials and Method: The sample’s form is a 65x10x2,5 mm slab made out of heat cured acrylic resin. The samples are then divided into 6 groups of treatment, 3 groups are immersed in the Salvadora persica extract solution, and the other 3 are immersed inside aquadest as the control group 8, 16 and 24 days. The samples used are 7 for each group. The impact strength is measured using mini impact tester KRY 28.5.1959 type. The analysis of the data will be using Kolmogrov-smirnov analytic and One-Way ANOVA. Results: The results of the research showed Salvadora persica extract solution 25% did not affect the acrylic resin’s impact strength Conclusion : Salvadora persica extract solution 25% can be used as a heat cured acrylic resin denture cleaning solution. Key words : Salvadora persica, resin acrylic, impact strength

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