Adult Case-Control Studies Child Child, Preschool DMF Index Dental Care--statistics & numerical data Dental Caries--epidemiology Educational Status Ethnicity--statistics & numerical data Feeding Behavior Female Health Behavior Humans Income--statistics & numerical data Male Maternal Age Maternal Behavior Mothers--education Nutrition Surveys Oral Health Oral Hygiene--statistics & numerical data Poverty--statistics & numerical data Risk Assessment Smoking--epidemiology United States--epidemiology