Is it possible for the prosthesis to separate from incus ear bone after a stapedectomy?

Yes, it is possible for the prosthesis to separate from the incus ear bone after a stapedectomy. This is known as prosthesis extrusion and is a rare but serious complication of the procedure. It can occur due to a number of factors, including infection, trauma, or an inadequate surgical technique. If the prosthesis extrudes, it can lead to hearing loss, dizziness, and pain. Treatment typically involves surgical removal of the extruded prosthesis and replacement with a new one.