<prompt> In otosclerosis during stapes surgery prosthesis used is:Teflon pistonGrommetTotal ossiculear replacementAll of the above  <response>: Ans. is a i.e. Teflon piston The currently used prosthesis in otosclerosis surgery are: Teflon MC used Stainless steel Platinum -- All are MRI compatible Gold Titanium The prosthesis is placed between the long process of incus and foot plate of stapes 