<prompt> Marble bone disease isOsteogenesis imperfectOsteopetrosisOsteomyelitisOsteoporosis  <response>: Osteopetrosis: 307- Malushwari 4th editionOSTEOPETROSIS Marble bones, Albers - Schonberg disease Characterised by dense but brittle bones Autosomal dominant disorderCP- Pathological fractures Cranial nerve compression---Due to bone encroachment on foramena Jaw osteomyelitis After tooth extraction Anemia X-ray shows - Increased density of the all the all the bones Cortices are widened leaving narrow medullary canal Sclerotic vertebral end plates producing a striped appearance rugger Jersey spine Skull is thickened and the base densely sclerotic 