;Bruxism is a disorder characterized by grinding and clenching of the teeth, companied with fasciculation of masticatory muscles in nonfunctional status.
磨牙
是在非功能状态下咀嚼肌发生自发性收
，
下牙彼此磨动或紧咬
现象。
)自发性收
，肌震束颤，肌束抽搐Bruxism is a disorder characterized by grinding and clenching of the teeth, companied with fasciculation of masticatory muscles in nonfunctional status.
磨牙是在非功能状态下咀嚼肌发生自发性收，下牙彼此磨动或紧咬现象。
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