Floating teeth sign is seen in: (A) Metastasis, (B) Osteitis fibrosa, (C) Histiocytosis, (D) Asbestosis
Answer is C. Radiological features of Langerhans cell histiocytosis : Punched out lytic lesions of skull with bevelled edges. Geographic skull. Floating teeth sign due to radiolucent lesion around the teeth. Veebra plana