WordNet (r) 3.0 (2006):

prosthetics
    n 1: the branch of medicine dealing with the production and use
         of artificial body parts

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "prosthetics":
   antiseptic surgery, aseptic surgery, chiroplasty, cryosurgery,
   dental surgery, electrosurgery, general surgery, heart surgery,
   major surgery, minor surgery, neurosurgery, open-heart surgery,
   operation, operative surgery, oral surgery, organ transplantation,
   orthopedic surgery, plastic surgery, radiosurgery,
   reconstructive surgery, reparative surgery, surgery,
   thoracic surgery, urological surgery, veterinary surgery