Ecological Momentary Assessment of Awake Bruxism Frequency in Patients with Different Temporomandibular Disorders

Self-reported awake bruxism (AB) has been associated with temporomandibular disorders (TMD). However, the daily amount of AB behavior has not been quantified in pain patients. Therefore, this study aimed to assess AB frequency in patients with myofascial pain and temporomandibular joint (TMJ) pain a...

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Published inJournal of clinical medicine Vol. 12; no. 2; p. 501
Main Authors Câmara-Souza, Mariana, Bracci, Alessandro, Colonna, Anna, Ferrari, Marco, Rodrigues Garcia, Renata, Manfredini, Daniele
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 07.01.2023
MDPI
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ISSN2077-0383
2077-0383
DOI10.3390/jcm12020501

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Summary:Self-reported awake bruxism (AB) has been associated with temporomandibular disorders (TMD). However, the daily amount of AB behavior has not been quantified in pain patients. Therefore, this study aimed to assess AB frequency in patients with myofascial pain and temporomandibular joint (TMJ) pain and compare it to a group of pain-free individuals. Eighty-four individuals belonging to either a TMD group (n = 54) or a healthy control group (n = 30) were selected. AB frequency was obtained by ecological momentary assessment with a dedicated smartphone application that sent sound alerts at random intervals during the day for one week. Upon receiving the alert, the volunteer reported the current muscular condition and/or the teeth position, i.e., relaxed jaw muscle, jaw bracing, teeth contact, teeth clenching, or teeth grinding. Data were evaluated by independent t-test (α = 0.05). During the seven days, AB frequency was 62.1% ± 26.8% for TMD patients and 36.2% ± 27.3% for pain-free subjects (p < 0.001). Mandible bracing was most common in the TMD group (p < 0.001), while teeth contact, clenching, and grinding did not differ between groups. Moreover, no differences were found in AB frequency between myofascial pain and TMJ pain patients. Therefore, TMD patients have higher AB frequency characterized by jaw bracing, irrespective of pain location.
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ISSN:2077-0383
2077-0383
DOI:10.3390/jcm12020501