Abstract
Obstructive sleep apnea (OSA) is a clinical risk factor for sleep bruxism (SB). Although no clear causative link has been defined, both conditions are inter related to sleep-related arousal reactions [1]. A literature review was conducted on PubMed and ScienceDirect databases for 2000–2021 period. The majority of studies revealed an association between OSA and SB events.
Highlights
In 2012, bruxism was defined internationally as condition was classified as awake or sleep “a repetitive jaw muscle activity characterized by bruxism (SB) [1,2].According to the International
Classification of Sleep Disorders clinical criteria, sleep bruxism (SB) includes the presence of regular or repeated tooth-grinding sounds happening during sleep and one or more of the following clinical aspects: [1] abnormal tooth wear resulting from tooth grinding during sleep and [2] transient morning jaw muscle pain or fatigue, temporal headache, and/or jaw locking upon awakening and reported as a cause of tooth grinding during sleep [2]
SB mechanism was illustrated [6,7,8] mostly rhythmic masticatory muscle activity (RMMA) episodes in relation to sleep micro-arousals associated with brain and cardiac activity [14,15,16]
Summary
Clenching or grinding of the teeth and/or by bracing or thrusting of the mandible” [2]. In 2012, bruxism was defined internationally as condition was classified as awake or sleep “a repetitive jaw muscle activity characterized by bruxism (SB) [1,2].According to the International. Malocclusion and occlusal interferences are initially considered as the primary etiological factor for bruxism; dental practitioners tend to perform occlusal adjustments or occlusal splints to overcome such problem [3,4]. The most recent hypotheses on the primary etiology of SB are in favor to central and autonomic nervous systems in the genesis of masticatory muscle activity during sleep [8]. Usage of some certain medications, and breath related problems can be risk factors for SB [9]. Obstructive sleep apnea (OSA) syndrome has always been considered as one of the primary risk factors for SB [10,11]. This, paper aims to review literature to determine the relation between OSA and SB
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