A. Does not take place once enamel surface and invironment
B. Stops after 2 years of eruption
C. Continues till adult life
D. Continues through out life
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 - 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 - Temporary structures in enamel organ are (before enamel formation) ?
A. Enamel knot
B. Enamel cord
C. Both A and B
D. Enamel Cuticle - Thin leaf like structures that extend from enamel surface in to DEJ are____________?
A. Enamel spindles
B. Enamel lamella
C. Enamel tufts
D. Perikymata - The shallow furrows on the enamel surface, where stria of Retzius end are known as _______________ ?
A. Cracks
B. Pellicle
C. perikymata
D. Enamel lamellae - A deep pit lined by enamel seen in the lingual surface of Maxillary lateral incipor is most likely to be_______________?
A. Dens in dente
B. Enamel Hypoplasia
C. Talon’s cusp
D. Enamel Pearl - The caries of enamel surface leads to accentuation of:__________?
A. Incremental lines of retzius
B. Perikymata
C. Imbrication lines of pickerill
D. Wickham’s striae - The striking difference between enamel and other mineralized tissues is______________?
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 - 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 - All are true regarding the enamel spindles except____________?
A. Produced by ameloblasts
B. Found in the region of cusps
C. Surrounded by inter prismatic enamel
D. Terminate as rounded process
