Type I thyroplasty is for

Type I Thyroplasty It is the most commonly used surgical procedure to correct unilateral vocal cord paralysis (a condition where the vocal cord of one side is paralysed). Procedure In this type of thyroplasty, a rectangular poion of the thyroid cailage is mobilized and pushed towards the medial side using a piece of silastic block of proper shape under local anesthesia. Earlier, the piece of the thyroid cailage was kept along with implant and the stitches were taken, but nowadays, the piece of the thyroid cailage is cut and removed to avoid complications. Ref : https://en.m.wikipedia.org/wiki/Thyroplasty