title: Trends in pre-paid pediatric dentistry.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006279:Health Maintenance Organizations; D006801:Humans; D007347:Insurance, Dental; D010377:Pediatric Dentistry; D010414:Pennsylvania; D012571:School Dentistry; D012575:Schools, Dental