Signal acquisition and analysis of ambulatory electromyographic recordings for the assessment of sleep bruxism : A scoping review

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Thymi , M , Lobbezoo , F , Aarab , G , Ahlberg , J , Baba , K , Carra , M C , Gallo , L M , De Laat , A , Manfredini , D , Lavigne , G & Svensson , P 2021 , ' Signal acquisition and analysis of ambulatory electromyographic recordings for the assessment of sleep bruxism : A scoping review ' , Journal of Oral Rehabilitation , vol. 48 , no. 7 , pp. 846-871 . https://doi.org/10.1111/joor.13170

Title: Signal acquisition and analysis of ambulatory electromyographic recordings for the assessment of sleep bruxism : A scoping review
Author: Thymi, Magdalini; Lobbezoo, Frank; Aarab, Ghizlane; Ahlberg, Jari; Baba, Kazuyoshi; Carra, Maria Clotilde; Gallo, Luigi M.; De Laat, Antoon; Manfredini, Daniele; Lavigne, Gilles; Svensson, Peter
Contributor organization: Clinicum
Department of Oral and Maxillofacial Diseases
HUS Head and Neck Center
Date: 2021-07
Language: eng
Number of pages: 26
Belongs to series: Journal of Oral Rehabilitation
ISSN: 0305-182X
DOI: https://doi.org/10.1111/joor.13170
URI: http://hdl.handle.net/10138/331680
Abstract: Background Ambulatory electromyographic (EMG) devices are increasingly being used in sleep bruxism studies. EMG signal acquisition, analysis and scoring methods vary between studies. This may impact comparability of studies and the assessment of sleep bruxism in patients. Objectives (a) To provide an overview of EMG signal acquisition and analysis methods of recordings from limited-channel ambulatory EMG devices for the assessment of sleep bruxism; and (b) to provide an overview of outcome measures used in sleep bruxism literature utilising such devices. Method A scoping review of the literature was performed. Online databases PubMed and Semantics Scholar were searched for studies published in English until 7 October 2020. Data on five categories were extracted: recording hardware, recording logistics, signal acquisition, signal analysis and sleep bruxism outcomes. Results Seventy-eight studies were included, published between 1977 and 2020. Recording hardware was generally well described. Reports of participant instructions in device handling and of dealing with failed recordings were often lacking. Basic elements of signal acquisition, for example amplifications factors, impedance and bandpass settings, and signal analysis, for example rectification, signal processing and additional filtering, were underreported. Extensive variability was found for thresholds used to characterise sleep bruxism events. Sleep bruxism outcomes varied, but typically represented frequency, duration and/or intensity of masticatory muscle activity (MMA). Conclusion Adequate and standardised reporting of recording procedures is highly recommended. In future studies utilising ambulatory EMG devices, the focus may need to shift from the concept of scoring sleep bruxism events to that of scoring the whole spectrum of MMA.
Subject: ambulatory electromyographic device
limited channel device
masticatory muscle activity
sleep bruxism
surface electromyography
313 Dentistry
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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