<unk>  is a severe disorder of cartilage and bone development. It is rare, and infants with the disorder are usually stillborn; however, those who survive birth die soon after
Atelosteogenesis, type II
Atelosteogenesis type I
Ameloblastic fibro-odontoma
Juvenile active ossifying fibroma
Myxoid cyst
Ameloblastic fibroma
Polyostotic fibrous dysplasia
Enchondroma