“…Thus, in most cases of UVFP, the vocal fold is seen to be flaccid and arched as a consequence of atrophy of the thyroarytenoid muscle, altering the free margin of the vocal fold. 11,12 Many medical techniques have developed to restore the function of the paralyzed vocal fold in patients with UVFP by ensuring its medialization, but there is no evidence of greater efficacy between the surgical techniques of type I thyroplasty and endoscopic injection [13][14][15] because both provide improved glottal closure and voice in individuals with UVFP. However, there are no studies in the literature that analyze the effect of the medialization techniques in relation to supraglottal adjustments.…”