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AAPD Journal Article Abstract

Author:	Cynthia L. Weideman, Debbie L. Bush, Frisca L. Yan-Go, Glenn T. Clark, Jeffrey A. Gornbein
Title:	The Incidence of Parasomnias in Child Bruxers Versus Nonbruxers
Abstract:	Bruxism in children has been reported to occur in association with certain parasomnias (i.e. sleep talking, bed wetting). Various dental, medical, neurological, and psychological risk factors also have been correlated with bruxism. A case-control study was therefore conducted to test the null hypothesis that there is no difference between bruxers and nonbruxers in the occurrence rate of other parasomnias and these reported risk factors. A 54-item survey questionnaire was developed and mailed to 342 pediatric patients, half of whom were avowed to be bruxers by their parents. These patients were selected randomly from a private pediatric practice in Northern California. One-hundred fifty-two subjects (77 bruxers and 75 controls) returned the questionnaire, and stepwise logistic regression analysis revealed that five of the 54 factors (nocturnal muscle cramps, bed wetting, colic, drooling while sleeping, and sleep talking) showed significant differences between bruxers and controls (odds ratios ranged from 3.11 to 1.95). These findings strongly suggest the possibility of a common sleep disturbance underlying these nonsleep-stage specific parasomnias. (Pediatr Dent. 199618:456-460)