Non acidic, nonionic protein which helps in enamel mineralization _______________? A. Tuftelin B. Sheathlin C. EnamelinD. Amelogenin

Which of the following is correct about enamel crystals ? A. Same as dentin crystals B. Contains organic portion in the centerC. Roughly texagonal in shape D. Their diameter is about 5 microns in size

Maximum amount of phosphate is seen in_______________? A. BoneB. Enamel C. Gingiva D. Dentin

Neonatal lines are seen in_______________? A. Enamel of deciduous incisiors B. Enamel of permanent incisors C. Enamel of premolars D. Dentin of all teeth, as if is formed first

narled enamel is seen in_____________? A. Proximal surface of tooth B. Cervical region of toothC. Cusp tips of tooth D. All of the above

The thickness of prismless enamel in diciduous teeth is______________? A. 25 μ m B. 50 μ m C. 75 μ m D. 100 μ m

Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are______________? A. Straight B. ShallowC. Bent D. Curved

Incremental lines of Retzius appear_____________? A. As lines in the enamel running at right angles to the enamel surface B. As lines in the dentin running at right angles to the dentino-enamel junctionC. In enamel and follow the apposition pattern…

Enamel sdles are formed by______________? A. Cracks B. AmeloblastsC. Odontoblasts D. Hypocalcified rods

The small ridges, perikymata, seen on facial surfaces of canines are the result of_____________? A. Hyperplasia B. HypoplacificationC. Normal development D. Interstitial development