title: Letter to the Editor.
authors.affiliation: UFRGS, Porto Alegre, RS, Brazil.|University of Michigan, Ann Arbor, MI, USA.|University of Toronto, Toronto, ON, Canada.|Post-Graduate Program in Dentistry (Prosthodontics), Faculty of Dentistry, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil.
authors.forename: M L
authors.initials: ML
authors.lastname: Grossi
authors.affiliation: Passo Fundo University, Passo Fundo, Brazil.|University College London, London, UK.|Public Health Graduate Program, Vale do Rio dos Sinos University, São Leopoldo, RS, Brazil.
authors.forename: M P
authors.initials: MP
authors.lastname: Pattussi
authors.affiliation: UFRGS, Porto Alegre, RS, Brazil.|Post-Graduate Program in Dentistry (Prosthodontics), Faculty of Dentistry, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil.|Faculty of Dentistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
authors.forename: V C
authors.initials: VC
authors.lastname: Mainieri
authors.affiliation: UFRGS, Porto Alegre, RS, Brazil.|Pneumology Center, Sleep Laboratory, Clinical Hospital of Porto Alegre (HCPA), Porto Alegre, RS, Brazil.
authors.forename: S C
authors.initials: SC
authors.lastname: Fagondes
authors.affiliation: UFRGS, Porto Alegre, RS, Brazil.|PUCRS, Porto Alegre, RS, Brazil.|Faculty of Dentistry, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil.
authors.forename: A C
authors.initials: AC
authors.lastname: Saueressig
mesh_terms: D004576:Electromyography / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D018670:Monitoring, Ambulatory / Q000592:standards*; D017286:Polysomnography / Q000379:methods*; D020186:Sleep Bruxism / Q000175:diagnosis*