Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are______________?

Enamel rods at the cervical area at the occlusal edge and incisal lip

1.	Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are______________?
A.	Straight
B.	Shallow
C.	Bent
D.	Curved
Answer» D. Curved