Radiographic finding of floating teeth can be seen in -: (A) Ectodermal dysplasis, (B) Cleido cranial dysplasia, (C) Osteopetrosis, (D) Histiocytosis - X
Answer is D. On radiographic examination of mandible, erosion of the bony alveoli around the teeth, so that they seem to be floating in space.
Seen in histiocytosis X.