The Effect Of Cuka Pempek On Color Stability Of Heat-Cured Acrylic Resin As A Base For Removable Dentures

Sri Wahyuningsih Rais; Merrica Bellinda; Arjun Sepriadi

Authors

Sri Wahyuningsih Rais Universitas Sriwijaya Author
Merrica Bellinda Mohammad Hoesin Hospital Author
Arjun Sepriadi Universitas Sriwijaya Author

Keywords:

Heat-cured acrylic resin, Color Stability, Removable Denture

Abstract

Heat-cured acrylic resin is one of the dental materials commonly used for making denture bases. Color stability in acrylic resin is one of the most important clinical signs of aging or deterioration indicators of materials after prolonged use that can affect aesthetics. Factors that can affect the color stability of heat-cured acrylic resin are acidic foods/drinks. Cuka pempek is a side sauce for pempek that is often consumed by the public and has a low pH. Purpose: This study aims to determine the effect of cuka pempek and soaking time on the color stability of heat-cured acrylic resin as a removable denture base. Method: This study is an experimental laboratory study with a pre-test and post-test group design. A total of 24 samples of heat-cured acrylic resin measuring 65mm x 10mm x 2.5mm were divided into 6 groups, namely 3 groups soaked in cuka pempek solution and 3 groups soaked in distilled water for 3, 5, and 7 days. Color stability was measured using a colorimeter. Statistical tests were performed using paired T-test and Post hoc LSD. Results: Paired T-test showed that each group experienced a significant change in the degree of lightness and darkness (∆L*) after immersion. The largest mean value of the change in the degree of darkness was found in the group soaked in vinegar solution for 7 days (mean=17.59). The smallest mean value of the change in the degree of darkness was found in the group soaked in distilled water for 3 days (mean=11.02). Conclusion: Cuka pempek can cause color changes in heat-cured acrylic resin and the longer the immersion in cuka pempek solution, the greater the level of color change.

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