“…Orthognathic surgery has become increasingly predictable; however, concerns remain about the postsurgical rehabilitation of patients, with a need to accelerate the recovery of oral function. Various approaches are under investigation to meet this challenge, including ultrasound [ 5 ], manual lymphatic drainage [ 26 ], and the localized application of cold [ 27 ]. This study examined the effectiveness of TENS to improve jaw opening and reduce pain and inflammation in patients after orthognathic surgery, based on evidence of its effectiveness in other comparable situations [ 8 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 28 ].…”