Dentino enamel junction is_________________? A. Non-scalloped B. StraightC. Scalloped and the convexities are directed towards dentin D. Scalloped and the convexities are directed towards enamel

True about direction of enamel rods______________? A. They originate at right angle to dentin surface B. They are almost vertical near the incisal edge (or) cusp tip areas C. In the cervical third of deciduous crowns they are almost horizontal…