Prevalence of sleep bruxism and awake bruxism in different chronotype profiles: Hypothesis of an association

Publication date: Available online 8 February 2017
Source:Medical Hypotheses
Author(s): J.M. Serra-Negra, F. Lobbezoo, C.C. Martins, E. Stellini, D. Manfredini
Sleep (SB) and awake bruxism (AB) recognize a multifactorial etiology and have a relationship with several psychological factors. Psychological disorders have recently been associated also with the chronotype, which is the propensity for an individual to be especially active at a particular time during a 24-hour period. Based on the chronotype, the two extreme profiles are morningness and eveningness individuals. Due to the relationship that both the chronotype and bruxism have with psychological factors and the fact that performing tasks not compatible with chronotype can trigger stress, this review presents the hypothesis that the prevalence of SB and AB can differ with the various chronotype profiles. New perspectives for the study of bruxism etiology may emerge from investigations on the topic.



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