Osteosclerosis - Definition

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Osteosclerosis is a type of chronic ear infection that affects the bone structures of the inner ear, notably the bony labyrinth, and manifests in particular as periostitis (inflammation of the periosteum, covering the bone) or even osteitis (inflammation of all bone tissue), which is generally due to infection. In rarer cases, osteosclerosis can appear following a fracture of a bone of the ear. Osteosclerosis manifests as progressive deafness, leading to total deafness if both ears are affected.