Parents answered the child oral health quality of life questionnaire (parental-caregivers perception questionnaire and family impact scale) and a socioeconomic questionnaire. 
child oral health quality of life questionnaire
Parents answered the child oral health quality of life questionnaire (parental-caregivers perception questionnaire and family impact scale) and a socioeconomic questionnaire. 
parental-caregivers perception questionnaire
Parents answered the child oral health quality of life questionnaire (parental-caregivers perception questionnaire and family impact scale) and a socioeconomic questionnaire. 
family impact scale