A custom-made oral device was used to keep the mandible in titrated jaw opening at 0%(F75 V0 ) , 50% (F75 V50), 75% (F75V75), 100% (F75 V100 ) of the maximum gape with 75% of the maximum advancement,.

• 使用特制口腔装置从下颌最大前伸位的75%25(F_(75)V_0)开始,依次调节至50%25(F_(75)V_(50)),75%25(F_(75)V_(75)),100%25(F_(75)V_(100))的张开量处。