Adolescent 21 Humans adolescent human 21 Male 18 male 18 Female 17 female 17 Child 11 Young Adult 11 child 11 young adult 11 Adult 9 adult 9 psychology 7 Risk Factors 6 risk factor 6 statistics and numerical data 6 Dental Caries 5 Middle Aged 5 Suicidal Ideation 5 dental caries 5 middle aged 5 suicidal ideation 5 Aged 4 Child, Preschool 4 Cross-Sectional Studies 4 DMF Index 4 DMF index 4 Dental Health Surveys 4