Bruxism and its relation to oral habits among Tabriz school children

Bruxism is one of the oral problems which are potentially harmful to oral health through the destruction of oral tissues and restored teeth. The purpose of this study was to determine the prevalence of bruxism and its relation to oral habits among school children in Tabriz. In this cross-sectional and descriptive study 500 school students of Tabriz were selected randomly. The study was done by questionnaire and examination. Questionnaires were filled by parents and were recollected. Data was collected and descriptive and analytic data was analyzed by SPSS software and Chi-square and Fisher's exact test. Level of significance was defined as less than 0.05. Prevalence of bruxism was about 28%. There was no significant relation between demographic characteristics and prevalence of bruxism. Bruxism was found in at least one of parents among 53.5% of children who had bruxism, while in others this rate was 11.9%. It illustrated that there is significant relation between bruxism and oral habits like nail biting, thumb sucking, and lip biting. Having enough knowledge about bruxism and its risk factors is important to prevent relatedproblems. It is expected higher rate of bruxism in children with oral habits. So it is necessary to have suitable treatment.