<prompt> Type 1 thyroplasty is trueLateralisation of vocal cordMedialisation of vocal cordVocal cord shorteningVocal cord Lenhtheninh.  <response>: Medialisation of vocal cord, used in unilateral complete vocal palsy.4 types of Thyroplaty.p - Type 1 - Proximalisation medialise of VC in uc complete palsy.La - Type 2 - Lateralisation of VC.S - type 3 - shortening of UC relaxing of UC, used in puberophonia .Ty - type 4 - Tightening of VC used in androphoniaFemale with low pitch voice. 