Subject(s)

Dental Caries/microbiology , Dental Plaque/microbiology , Streptococcus/pathogenicity , Adolescent , Child , Colombia , Dental Caries/prevention & control , Fluoridation , Fluorides, Topical/pharmacology , Fluorides, Topical/therapeutic use , Humans , New York , North Carolina , Streptococcus/drug effects , Streptococcus/isolation & purification