<prompt> Iatrogenic traumatic facial nerve palsy is most commonly caused during -MyringoplastyStapedectomyMastoidectomyOssiculoplasty  <response>: All ear operations run the risk of facial nerve damage, particularly if the nerve is exposed. In particular a mastoidectomy has a high risk because a sharp cutting rotating burr is used in close proximity to the nerve.Other Operations where Facial Nerve may be Damaged Stapedectomy Removal of acoustic neuroma 