Distribusi Streptococcus mutans pada Tepi Tumpatan Glass Ionomer

Abdul Muthalib, Suherwin Mangundjaja, Ariadna A. Djais


Secondary caries always occurs as a result of the filling not being hermetically. Purposes of this research is to prove whether there is a leak on the border of the tooth enamel and border between the Glass-ionomer filling with the Streptococcus mutans infection with parameter of SMAAPPI (Simplified S. mutans Approximal Plaque Index by Keeni et al, 1981). The subject of the research were 20 patients who came to the Dental Clinic at University of Indonesia with criteria possessing Glass-ionomer filling at the lower jaws. Collection of the samples were dental plaque gathered using a 1.5 mm excavator to scrape one way direction from the enamel, along the border between the enamel and Glass-ionomer filling and Glass-ionomer filling's surface. Isolation with medium transport sem-synthetic Cariostat and TSY20B and identification by using biochemical test. isolated colony strain local Streptococcus mutans from enamel, the border enamel and Glass-ionomer and the surface of the Glass-ionomer. The results were Streptococcus mutans were found from enamel 3006 colonies, on the border between the enamel and Glass-ionomer 143 colonies and on the surface of the Glss-ionomer 7291 colonies. Amoung of Streptococcus mutans colony obtained on the border of the enamel and Glass-ionomer were smaller compared to the surface of the Glass-ionomer and tooth enamel. Concluded that the leak of the filling was not caused by the number of distributed Streptooccus mutans colonies on the side, because the fluoroapatite fastener occurred due to the Glass-ionomer releasing in fluor along the border of the filling.

DOI: https://doi/org/10.14693/jdi.v4i1.742

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