以往,很重视下颌的休息位。认为每一个人的下颌休息位是固有的、恒定的,与牙的缺失及年龄均无关系。但是,现在,在连续记录下颌的休息位时,却发现有不同的表现,不仅因人而异,而且同一个人在不同的时间也有不同的表现。在肌电图的研究中, In the past, attaches great importance to the resting position of the jaw. It is considered that each individual's mandibular rest position is inherent, constant, and has no relation to the absence of teeth and age. Now, however, continuous recordings of the mandibular rest position now show different manifestations that vary from person to person, and that the same individual has different manifestations at different times. In the EMG study,