Dewi Anggreani Bibi and Udijanto Tedjosasongko and Irmawati (2014) Reduction of salivary Mutans Streptococci in children with fixed orthodontic appliance after yoghurt consumption. Majalah Kedokteran Gigi (Dental Journal), 47 (2). pp. 82-86. ISSN 1978-3728

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Abstract

Background: Orthodontic treatment using fixed appliances in children increases with the case of malocclusion in Indonesia. The patients with fixed orthodontics have higher risks of caries. Purpose: The study was aimed to examine the influences short term daily consumption fruit-flavored yoghurt on salivary mutans Streptococci in pediatric patients during orthodontic treatment with fixed appliances. Methods: This was an experimental laboratory study with a double-blind randomized crossover design. The subjects were 26 children in range of age 11 to 15 years old who were under orthodontic treatment using fixed appliances. Subjects were divided into 2 (two) groups which consist of 13 children each. Group A were asked to consumed a 150 ml of yoghurt Bifidobacterium bifidum and Lactobacillus acidophilus once a day for 2 weeks, while group B were asked to consumed milk once a day for the same period of time. After “washout” period for 2 weeks, the subjects of group A and B crossed over the drink, group A was asked to consumed milk and group B was asked to consumed yoghurt for another 2 weeks. Before and after consuming yoghurt or milk, the subject’s saliva samples were taken and the colonies of mutans Streptococci were counted on TYC media. Results: Statistical analysis showed that on subjects who consumed yoghurt the colony number of mutans Streptococci reduced significantly (p < 0.05). Conclusion: Short-term daily consumption of the probiotic yoghurt containing Bifidobacterium bifidum bacteria and Lactobacillus acidophilus could reduce the number of salivary mutans streptococci in pediatric patient during orthodontic treatment with fixed appliances.

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