Child 4 Dental Caries Female 4 Humans 4 Male 4 Saliva 4 Streptococcus mutans 4 child dental caries 4 female 4 human 4 male saliva 4 isolation and purification 3 microbiology 3 Adolescent 2 Child, Preschool 2 Dental caries 2 adolescent 2 chemistry 2 controlled study 2 drug effect 2 preschool child 2 randomized controlled trial 2 Antibacterial agents 1 Antibodies, Bacterial 1 Bradford reagent 1 Chewing Gum 1 Chewing gum 1 Cross-Sectional Studies 1