Abstract
Background The literature does not report any association between habitual snoring and sleep bruxism, but these situations can be a reason for frequent complaints of individuals, impairing the quality of life. This study was performed to investigate the sleep period and amount of habitual snoring in individuals with sleep bruxism observing expiratory, inspiratory, and mixed snoring. Material and Methods A total of 90 individuals were screened and divided into the following groups: with sleep bruxism (n=45) and those without sleep bruxism (n=45). Single night sleep polysomnography was performed to diagnose sleep bruxism, quantify habitual snoring and sleep period. The results were tabulated and submitted to a Multivariate analysis of variance (MANOVA) to compare the means of the two independent groups, considering the affected diagnosis of sleep bruxism, snoring (independent variables) and age as covariate. For the post hoc, was used correcting for multiple comparisons (Bonferroni test, P <.05). Results There was statistically significant difference among the groups ( p =.001) in the sleep period, in that individuals with sleep bruxism slept for a longer duration (with sleep bruxism group: 460 minutes and without sleep bruxism group: 401 minutes). There were no statistically significant differences among the groups for the number of inspiratory, expiratory and mixed snores, but was observed greater amount of snoring in the with sleep bruxism group. Conclusions The main finding of this study is that individuals with sleep bruxism slept longer than the control group. It may also be suggested that individuals with sleep bruxism tended to increase the amount of habitual snoring during sleep. Key words:Bruxism, adult, sleep disordered breathing, polysomnography.
Highlights
In 2013, bruxism was described as the repetitive, involuntary orofacial activity of the muscles that insert into the mandible
The main finding of this study is that individuals with sleep bruxism slept longer than the control group
It may be suggested that individuals with sleep bruxism tended to increase the amount of habitual snoring during sleep
Summary
In 2013, bruxism was described as the repetitive, involuntary orofacial activity of the muscles that insert into the mandible. Bruxism was characterized by muscular rhythmic masticatory activity and was associated with clenching and grinding of the teeth during the mandibular tasks [1]. The association between this behavior activity and the amount of habitual snoring produced during sleep has not yet been determined. This study aimed was to quantify the sleep period and amount of habitual snoring in individuals with sleep bruxism observing expiratory, inspiratory, and mixed snoring. This study was performed to investigate the sleep period and amount of habitual snoring in individuals with sleep bruxism observing expiratory, inspiratory, and mixed snoring.
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