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Med Hypotheses. 2017 Apr;101:55-58. doi: 10.1016/j.mehy.2017.01.024. Epub 2017 Feb 8.

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

Author information

1
Department of Pediatric Dentistry and Orthodontics, Universidade Federal de Minas Gerais, Av Antonio Carlos 6627, Campus Pampulha, Belo Horizonte, Minas Gerais 31270901, Brazil. Electronic address: juniaserranegra@hotmail.com.
2
Department of Oral Health Sciences, Academic Centre for Dentistry Amsterdam (ACTA), MOVE Research Institute Amsterdam, University of Amsterdam and VU University Amsterdam, t.a.v. dienst Afspraken & Informatie Postbus 7822 1008 AA Amsterdam, Amsterdam, Netherlands.
3
Department of Pediatric Dentistry and Orthodontics, Universidade Federal de Minas Gerais, Av Antonio Carlos 6627, Campus Pampulha, Belo Horizonte, Minas Gerais 31270901, Brazil.
4
School of Dentistry, Department of Neuroscience, University of Padova, Via Nicolò Giustiniani, 2, Padova 35121, Italy.

Abstract

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-h 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.

PMID:
28351492
DOI:
10.1016/j.mehy.2017.01.024
[Indexed for MEDLINE]
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