Oral hygiene behaviour and its determinants among preparatory school students in Gondar city, Northwest Ethiopia: A cross-sectional study.

Oral hygiene behaviour was poor among preparatory school students in Gondar city. Father's educational status, students' oral hygiene knowledge, and attitude were found to be significant factors affecting students' oral hygiene behaviour. Thus, tailored school-based oral health communication programs are highly required to improve students' oral hygiene behaviour.