To investigate the short term effect of probiotic oil on plaque acidogenicity among orthodontic patients and to investigate the effect of probiotics on mutan streptococci and lactobacilli in plaque and saliva.~The null-hypothesis is that: The effect of probiotics would not differ from placebo-treated control group.~This product might decrease the chance of getting caries but also cooperation and cost effectiveness should be considered
To investigate the short term effect of probiotic oil on plaque acidogenicity among orthodontic patients. Shortage on testing the effect of probiotic on Orthodontic patients can be seen on litterateurs making a gap of whether is product of help in preventing dental caries or not ?