Objective: To investigate the electromyography changes of the massetermuscle (MM) after myofunctional therapy (MFT) during mandibular movement in adolescents with high angle and open bite.

• 摘要目的：研究青少年肌功能训练前后高角开（牙合）咬肌在息止紧咬、吞咽和咀嚼运动中的肌电活动变化。