title: The effects of five preparatory methods upon child behavior during the first dental visit.
mesh_terms: D001521:Behavior Therapy; D002648:Child; D002652:Child Behavior; D002675:Child, Preschool; D003299:Cooperative Behavior; D003729:Dental Care; D003887:Desensitization, Psychologic; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D010377:Pediatric Dentistry; D010919:Placebos
chemical_list: D010919:Placebos