A. 66%
B. 76%
C. 86%
D. 96%
Enamel
Enamel
A. Tuftelin
B. Sheathlin
C. Enamelin
D. Amelogenin
A. Same as dentin crystals
B. Contains organic portion in the center
C. Roughly texagonal in shape
D. Their diameter is about 5 microns in size
A. Bone
B. Enamel
C. Gingiva
D. Dentin
A. Enamel of deciduous incisiors
B. Enamel of permanent incisors
C. Enamel of premolars
D. Dentin of all teeth, as if is formed first
A. Proximal surface of tooth
B. Cervical region of tooth
C. Cusp tips of tooth
D. All of the above
A. 25 μ m
B. 50 μ m
C. 75 μ m
D. 100 μ m
A. Straight
B. Shallow
C. Bent
D. Curved
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 junction
C. In enamel and follow the apposition pattern
D. In dentin and follow the appositional pattern
A. Cracks
B. Ameloblasts
C. Odontoblasts
D. Hypocalcified rods
