A. Presence of high percentage of organic matrix
B. Presence of incremental lines
C. Enamel has high reparative capacity
D. Most of organic component is lost during mineralization
Related Mcqs:
- Ratio of diameter of enamel rods in the DEJ to the enamel surface is______________?
A. 1:4
B. 1:1
C. 1:2
D. 2:1 - Temporary structures in enamel organ are (before enamel formation) ?
A. Enamel knot
B. Enamel cord
C. Both A and B
D. Enamel Cuticle - Which of the following show chemical bond with enamel (Calcified tissues)______________?
A. Composites
B. Direct filling resins
C. Polycarboxylate cements
D. BIS-GMA resins in pit and fissure sealants - Hardness of fully mineralized cementum is_____________?
A. Less than dentin
B. More than dentin
C. Equal dentin
D. None of the above - Which of the following is least mineralized ?
A. Cementoid
B. Incremental line
C. Cellular cementum
D. Acellular cementum - Smooth surface caries is characterized by spread of caries in enamel and dentin as cones. These alignment in enamel and dentin is____________?
A. Base to base
B. Apex to base
C. Apex to apex
D. None of the above - The most striking haematological finding in agranulocytosis is______________?
A. Decreased absolute neutrophil count
B. Increased absolute eosinophil count
C. Decreased absolute basophil count
D. Increased absolute monocyte count - Difference between primary and permanent enamel is_______________?
A. In prism arrangement
B. in mineral content
C. No difference in enamel, difference in dentin
D. None 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 - The average width of enamel rods is______________?
A. 10mm
B. 5mm
C. 2mm
D. 0.5mm
