Nanosilver Fluoride to Prevent Dental Biofilms Growth

Inclusion Criteria: * Have at least 4 upper teeth and 4 lower teeth deciduous;systemic health satisfactory; did not use antibiotics or nonsteroidal anti-inflammatory within one month before or during the study;do not use any other forms of chemical control of biofilm during the study period;not being a user of orthodontic devices or dentures; Exclusion Criteria: * Presenting oral lesions, supragingival calculus and severe malocclusion.