Dark and light bands of enamel seen in longitudinal ground section
B
Dark and light bands of enamel seen in horizontal ground section
C
Dark and light bands of dentin seen in longitudinal section
D
Dark and light bands of dentin seen in horizontal section
High-Yield Explanation
Hunter-schreger bands are due to change in direction of rods; and are regarded as a functional adaptation to minimize the risk of cleavage due to occlusal forces.