Association Between Obstructive Sleep Apnea and Bruxism

Association Between Obstructive Sleep Apnea and Bruxism: A Retrospective Study

The objective of this retrospective observational study will be to investigate the between the Obstructive Sleep Apnea Syndrome (OSAS) and Sleep Bruxism (SB), in individuals diagnosed through polysomnography (PSG).

The SB and OSAS are sleep disorders with great importance for dentistry. The OSAS is characterized by partial or total obstruction of the upper airways. SB is defined as a repetitive activity of the mandibular musculature characterized by the tightening or grinding of the teeth and/or by the retrusion or propulsion of the mandible. This study retrospective observational will be evaluation to investigate the association between OSAS and SB. Data from PSG and medical records (n=640) will be collected from January 2012 to July 2018 at "Instituto do Sono de Pelotas (ISP)".

Inclusion Criteria:

• Adults (aged 20 to 60 years) and elderly (aged > 60 years) (WHO-World Health Organization, 2015) who was undergone PSG at the "Instituto do Sono de Pelotas (ISP)";
• Have completed all the respective PSG reports.

Exclusion Criteria:

•Those which the participants were unable to answer the questionnaires and who presented a history of epilepsy that could interfere in the results of PSG.