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 hypocalcifie

1.	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
Answer» B. Hypophosphatasia