Full text: Available Index: IMSEAR (South-East Asia) Main subject: Oral Hygiene / Periodontal Diseases / Tooth Diseases / Humans / Child / Child, Preschool / Dental Health Surveys / Incidence / Adolescent / Age Factors Type of study: Diagnostic study / Incidence study / Prognostic study / Screening study Country/Region as subject: Asia Language: English Journal: Indian Pediatr Year: 1993 Type: Article