[Dental caries in schools in the city of N'Djamena in Chad: Epidemiological aspects and oral habits in pupils aged from 6 to 12 years].

Dental caries is a global disease that can have disabling effects. In Africa, its prevalence in schools is very variable, due to the great variability of food habits and oral hygiene. This study aimed to assess the prevalence of dental caries, associated factors, and to research oral pathologies associated with that dental decay in one circumscription of the city of N'Djamena.