# Delayed eruption of at least part of the dentition is a recognized feature of all of the following EXCEPT: A. Rickets B. Congenital Hyperthyroidism C. Cleidocranial Dysplasia D. Cherubism # A five year old child presents with chronic bed wetting and bilateral loose deciduous first molars. His mother says that he wants to drink water several times during each night. Which of the following is the most likely diagnosis? A. Hand-Schuller-Christian Disease B. Marble bone Disease C. Niemann Pick Disease D. Polyostotic Fibrous Dysplasia