Excessive computer use as an oral health risk behaviour in 18-year-old youths from Poland: A cross-sectional study.

Background: Many studies have indicated that the excessive use of computers (more than 3 hr/d) might be associated with an unhealthy life-style.

Aim: The aim of this study was to evaluate the relationship between excessive computer use with the condition of the teeth and periodontium and the oral health behaviour of 18-year-olds.

Design: Cross-sectional studies, using a questionnaire, were carried out on 1,611 18-year-olds from Poland.