Nocturnal sleep architecture is altered by sleep bruxism

Palinkas, Marcelo; Semprini, Marisa; Filho, João Espir; Canto, Graziela De Luca; Regalo, Isabela Hallak; Bataglion, César; Rodrigues, Liana Álvares; Siéssere, Selma; Regalo, Simone Cecílio Hallak

doi:10.1016/j.archoralbio.2017.04.025

Cited by 27 publications

(22 citation statements)

References 30 publications

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“…Albeit within the normal range, patients with sleep bruxism displayed statistically lower sleep efficiency and significantly increased sleep fragmentation. Sleep efficiencies within normal range and increased micro-arousals have previously been reported in sleep bruxism (10). The numerically moderate reduction of sleep efficiency and the increased fragmentation were both uncorrelated with the subjective sleep quality.…”

Section: Discussionsupporting

confidence: 62%

“…Concomitant complaints of insomnia seem specifically related to difficulties of sleep maintenance, rather than sleep initiation or early arousal . Although an increased occurrence of micro‐arousals was reported, a recent study also found sleep efficiencies within the normal range in 45 patients with sleep bruxism . Hence, otherwise healthy individuals with sleep bruxism are generally described as presenting with a normal sleep structure and preserved sleep homeostasis .…”

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confidence: 99%

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Effect of sleep bruxism duration on perceived sleep quality in middle‐aged subjects

Neu

Baniasadi

Newell

et al. 2018

European J Oral Sciences

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Sleep-related bruxism may directly impact sleep quality. This study aims to evaluate potential relationships between sleep bruxism events and related daytime symptoms. We investigated 22 patients (42.1 ± 11.6 yr of age) with sleep bruxism in comparison with 12 good sleeper control subjects of similar age (41.0 ± 11.5 yr). Sleep bruxism was visually analyzed and categorized according to sleep stage, bruxism type (tonic/phasic) and duration. Clinical instruments comprised the Epworth Sleepiness, the Brugmann Fatigue Scale, and the Hospital Anxiety and Depression Rating Scale. Sleep quality was measured using the Pittsburgh Sleep Quality Index. Controls and patients with sleep bruxism presented similar sleep architecture. However, patients with sleep bruxism displayed significantly decreased sleep efficiency and higher sleep fragmentation. Perceived sleep quality was significantly worse in patients with sleep bruxism than in control subjects. Additionally, patients presented with significantly greater fatigue intensity and more affective symptoms than controls. The cumulative durations of sleep bruxism events (phasic, tonic, and combined) were significantly correlated with deterioration of sleep quality, whereas neither the event index per hour of sleep nor the count of event types (phasic/tonic) were related to sleep quality. Patients with sleep bruxism present with higher levels of daytime fatigue and sleepiness than control subjects who experience good sleep and may also exhibit impairments of sleep quality which are related to the duration of bruxism occurrence rather than to its frequency.

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Section: Discussionsupporting

confidence: 62%

mentioning

confidence: 99%

Effect of sleep bruxism duration on perceived sleep quality in middle‐aged subjects

Neu

Baniasadi

Newell

et al. 2018

European J Oral Sciences

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“…The individuals remained seated, feet resting on the ground and palms on the thighs, with an erect neck in order to keep the Frankfurt plane parallel to the ground. The individuals were instructed to remain calm and to keep the inspiratory and expiratory movements well paused (16).…”

Section: Methodsmentioning

confidence: 99%

Impact of Parkinson’s disease on the efficiency of masticatory cycles: Electromyographic analysis

Silva

Verri²,

Palinkas³

et al. 2019

Med Oral

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Background This study evaluated the efficiency of masticatory cycles by means of the linear envelope of the electromyographic signal of the masseter and temporalis muscles in individuals with Parkinson’s disease. Material and Methods Twenty-four individuals were assigned into two groups: with Parkinson’s disease, average ± SD 66.1 ± 3.3 years (n = 12) and without the disease, average ± SD: 65.8 ± 3.0 years (n = 12). The MyoSystem-I P84 electromyograph was used to analyze the activity of masticatory cycles through the linear envelope integral in habitual mastication of peanuts and raisins and non-habitual mastication of Parafilm M®. Results There was statistically significant difference ( P ≤ 0.05) between individuals with Parkinson’s disease and without the disease in non-habitual mastication of Parafilm M®, in the right temporal muscle ( P = 0.01); habitual mastication of peanuts, in the right temporal muscle ( P = 0.02), left temporal muscle ( P = 0.03), and right masseter muscle ( P = 0.01); and habitual mastication of raisins in the right temporal muscle ( P = 0.001), left temporal muscle ( P = 0.001), right masseter muscle ( P = 0.001) and left masseter muscle ( P = 0.03). Conclusions These results suggest that Parkinson’s disease interferes in the electromyographic activity of the masticatory cycles by reducing muscular efficiency. Key words: Parkinson’s Disease, electromyography, masticatory efficiency, masseter muscle, temporal muscle.

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“…Additionally, recent findings showed that patients with sleep bruxism shown impaired sleep architecture and often reported tiredness and sleepiness during the day …”

Section: Sleep Bruxism Definition Statusmentioning

confidence: 99%

Questions on the clinical applicability on the international consensus on the assessment of bruxism

Skármeta

Navarrete

2019

J of Oral Rehabilitation

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Nocturnal sleep architecture is altered by sleep bruxism

Cited by 27 publications

References 30 publications

Effect of sleep bruxism duration on perceived sleep quality in middle‐aged subjects

Effect of sleep bruxism duration on perceived sleep quality in middle‐aged subjects

Impact of Parkinson’s disease on the efficiency of masticatory cycles: Electromyographic analysis

Questions on the clinical applicability on the international consensus on the assessment of bruxism

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