A five-year old child presents with chronic bed wetting and bilateral loose deciduous first molars. His mother says that she want to drink of water several times during each night. Which of the following is the most likely diagnosis ?

A five-year old child presents with chronic bed wetting and bilateral loose deciduous first molars. His mother says that she want to drink of water several times during each night. Which of the following is the most likely diagnosis ?

A. Hand-Schuller Christian disease
B. Marble bone diasease
C. Nieman pick disease
D. Polyostotic fibrous dysplasia

A histologic evidence of widespread formation of globular hypocalcified dentin and pulp horns reaching the dentinoenamel junction, absence of lamina dura around the tooth in radiograph are the characteristic features of_____________?

A histologic evidence of widespread formation of globular hypocalcified dentin and pulp horns reaching the dentinoenamel junction, absence of lamina dura around the tooth in radiograph are the characteristic features of_____________?

A. Vitamin -D resistant rickets
B. Hypophosphatasia
C. Hypervitaminosis-A
D. Vitamin-A deficiency