Prevalence of Bruxism During Sleep of 3-7 Years Old of Siblings Suffering Developmental, Externalizing and Internalizing Disorders

Bruxism is one of the most prevalent illnesses of sleeping which the teeth or the jaw of the attacked people will lock and cause to other problems. Hence, this research is done in order to measure the outbreak of bruxism in sleeping of three to seven-year-old Sisters and brothers suffering developmental and externalizing and internalizing disorders. In one sectional survey, 261 children suffering developmental and externalizing and internalizing disorders were selected by accessible sampling who were referring to Pastor hostelry clinic, Imam Khomeini clinic, private clinics of child neurologists, autism welfare centers, physical-motor disabled welfare centers. The diagnosis of bruxism was based on the criteria of American Academy of Sleep Medicine (AASM) from the reports of parents. For gathering data, Persian version of the children's sleep habits questionnaire (CSHQ), preschool behavior questionnaire were used these questionnaires were filled by parents and analyzed using the chi-square test. Of 261 children who were under study, 18% of them are suffering developmental disorders, 6.89% suffering internalizing disorders, 6.14% suffering externalizing disorders, and from those suffering externalizing disorders, 4.99 suffering bruxism. According to the concerns of parents in the time of bruxism of their children when they are sleeping, notification is required and the high rate of prevalence of bruxism in preschool children during their sleeping, rationalize the need of doing more research on this area.