2018, Number 4
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Rev ADM 2018; 75 (4)
Sleep apnea/hypopnea and night bruxism
Gutiérrez RS, García GVA, Castellanos JL
Language: Spanish
References: 18
Page: 196-201
PDF size: 265.18 Kb.
ABSTRACT
The events of apnea or hypopnea during the sleep process are characterized by a decrease or obstruction of respiration inducing an organic state of hypooxygenation that in turn induces micro-arousals as a physiological reaction to protect the organism. During these events, the individual transits from a deep sleep phase to a more superficial phase. The repetition of apnea/hypopnea events causes a sleep that is nor physically neither emotionally repairing; furthermore inducing a motor hyperactivity of the masticatory muscles which increases the frequency and intensity of rhythmic masticatory movements that can eventually promote muscular, joint (TMJ), mucous and dental damage. That increase of the rhythmic masticatory movements is also observed in sleep bruxism, which leaves open the possibility of observing a summation effect with sleep apnea. For this type of conditions, polysomnography is a procedure that assesses sleep disturbances and demonstrates that micro-arousal precedes an increase autonomic changes, including muscle hyperactivity, which eventually could cause organic systemic alterations, as well episodes of clenching and dental grinding.
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