磨牙症是功能异常的一种表现,一般都发生于睡眠时,由于咀嚼肌产生一种非功能性的收缩,中断了下颌生理性休息出现夜磨牙。而发生于白天清醒状态下的磨牙症却很少见,其治疗也很困难。本人遇到 Bruxism is a manifestation of dysfunction, usually occurring during sleep, due to a non-functional contraction of the masticatory muscles that interrupt the mandibular physiologic rest and appear at night. The bruxism, which occurs during daytime wakefulness, is rare and its treatment is very difficult. I met