Usia saat inisial akuisisi Streptococcus mutans dan jumlah erupsi gigi sulung pada anak (Initial acquisition age of Mutans Streptococci and number of erupted primary teeth in children)

Abstract

Background: Mutan Streptococci (MS) are considered as major bacteria in human dental caries. Previous experiments reported that MS needs permanent surface to make stable colonization in human oral mouth. Transmission of MS occured directly or indirectly by salivary contact. The younger the child acquired MS the higher dental caries risk of the child. Purpose: The purposes of this study was to determine the age and number of primary teeth erupted during MS initial acquisition in children. Methods: The subjects were 30 infants aged 5 months old of Simomulyo region, Surabaya, East Java, Indonesia. Monthly plaque samples were taken using sterile cotton bud and oral examination were done to check number of primary teeth for 6 months period. The MS isolate were isolated using BHI broth and TYC respectively. The MS identification was done by gram staining and colony morphology. Number of erupted primary teeth was determined by counting the erupted teeth in each month. results: As the result 83% children acquired MS and 17% children remain free from MS. The mean age of initial acquisition was 7,76±0,96 months and the average number of erupted teeth was two teeth. Conclusion: The study revealed that the mean age of MS initial acquisition in children was 7,76±0,96 month and the colonization of MS was found in children with average 2 primary teeth erupted.