Case-Control Studies 1 Child, Preschool 1 Childhood oral health Congenital heart defect 1 Cross-Sectional Studies 1 Dental Care for Children 1 Dental Caries 1 Dental care for children 1 Female 1 Heart Defects, Congenital 1 Humans 1 Infant 1 Longitudinal Studies 1 Male 1 Mouth Diseases 1 Norway 1 Oral Health 1 Periodontal Index 1 Prospective Studies 1 Special care for children 1 Tooth Erosion 1 case control study 1 complication 1 congenital heart malformation 1 cross-sectional study 1 dental caries 1 dental procedure 1 female 1 health 1 human 1