Anesthesia, General 1 Anesthesia, Intravenous Case-Control Studies 1 Child 1 Child, Preschool 1 Comorbidity 1 Dental Caries 1 Dental Health Surveys 1 Dental treatment 1 Female 1 Grandparents 1 Humans 1 Male 1 Oral Health 1 Oral health-related quality of life 1 Parents 1 Quality of Life 1 Republic of Korea 1 South Korea 1 Systemic disease 1 case control study 1 child 1 child parent relation 1 comorbidity 1 complication 1 dental caries 1 dental disease assessment 1 female 1 general anesthesia 1 grandparent 1