A. Enamel knot
B. Enamel cord
C. Both A and B
D. Enamel Cuticle
Related Mcqs:
- The cells of the enamel organ which differentiate into future ameloblasts are_____________?
A. Cells of inner enamel epithelium
B. Cells of outer enamel epithelium
C. Cells of stellate reticulum
D. Cells of stratum intermedium - 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 - Thin leaf like structures that extend from enamel surface in to DEJ are____________?
A. Enamel spindles
B. Enamel lamella
C. Enamel tufts
D. Perikymata - Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form ?
A. Denatured state
B. Molecular aggregation
C. Precipitation
D. Quaternary structure - Once the enamel formation is complete, the tooth will erupt after approximately______________?
A. One year
B. Two years
C. Three years
D. Four years - Bony union taking place with formation of medullary callus without periosteal callus formation is______________?
A. Primary union
B. Secondary union
C. Both of the above
D. None of the above - Nutrition for ameloblasts after 1st layer of enamel is laid is______________?
A. Dental sac
B. Odontoblastic process
C. Ree
D. Dental Papilla - Enamel pearls are found in_____________?
A. Occlusal surface of premolars
B. Furcation areas of permanent molars
C. On the incisal edges of incisors
D. None of the above - Outer and inner enamel epithelium first seen in____________?
A. Bud stage
B. Advanced bell stage
C. Cap stage
D. Bell stage