Prevalence and Risk Factors of Bruxism in a Selected Population of Iranian Children

Objective: To investigate the prevalence of bruxism in Iranian children aged 6 to 12 years. Material and Methods: This cross-sectional study was conducted on 600 schoolchildren 6-12 The questionnaire consisted two sections: first section included demographic information, while second evaluated occurrence bruxism. Kruskal-Wallis, Chi-Square, Fisher Multinomial logistic regression were used. A level p<0.05 considered statistically significant. Results: 698 questionnaires distributed, which participants returned. According regression, awake associated significantly with following variables: age, sequence birth, recurrent headache, gastrointestinal disease, nasal obstruction, neurological disorder, easy child crying, sleep disorders, talking a dream snoring jaw disorder. Sleep premature allergy, drooling, mouth breathing, oral habit, nail biting, family history. Conclusion: Pre-birth post-birth factors play an important role society. It is possible prevent complications by informing parents making timely diagnosis. Parents should be aware this reduce related teeth masticatory system.