Otosclerosis . This is a condition of abnormal bone maturation which most commonly affects the base/footplate of the third ear bone or stapes. It fixes it so it can't vibrate leading to a conductive hearing loss.
Otosclerosis. Otosclerosis is a disorder of the otic capsule, it causes remodeling of the bone. It generally causes fixation of the stapes bone leading to a conductive hearing loss. In severe cases it can lead to a nerve hearing loss. The treatment for stapes fixation is generally surgery, which has a very good success rate.