Effect of the probiotic bacterium Lactobacillus reuteri on white spot lesion development in orthodontic patients.

Background/objectives: The purpose of the study is to evaluate the effect of daily intake of lozenges containing probiotic bacteria on white spot lesion (WSL) formation as well as on salivary lactobacilli (LB) and mutans streptococci (MS) counts, in patients undergoing orthodontic treatment with fixed appliances.

Materials/methods: A randomized double-blind placebo-controlled study design with two parallel arms was employed. Patients (n = 85, mean age 15.

Cariogram caries risk profiles in adolescent orthodontic patients with and without some salivary variables.

Objective: To compare the Cariogram caries risk profiles with and without salivary buffer capacity and mutans streptococci (MS) counts in adolescents with fixed orthodontic appliances.

Materials And Methods: The sample consisted of 90 healthy Greek adolescents who were undergoing orthodontic treatment. The Cariogram risk model was applied through a questionnaire and clinical and salivary examinations.