Medical MCQs

5099 MCQs  (Page 262 of 510)

Chronological hypoplasia is_____________?
A. Hypoplasia of local origin
B. Hypoplasia of systemic origin
C. Hypoplasia of hereditary origin
D. None of the above
Formation of dentin by odontoblasts begins in_______________?
A. Morphogenic stage
B. Organizing stage
C. Desmolytic stage
D. Formative stage
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
Enamel is laid down______________?
A. Mainly by odontoblasts
B. Mainly by ameloblasts
C. Only on odontoblasts
D. Only by ameloblasts
Synthesis of enamel matrix proteins occurs in the________________?
A. Outer enamel epithelium
B. Ameloblast
C. Stratum intermedium
D. Stratum granulosum
Neonatal line is also referred to as______________?
A. Retzius line
B. Line of cross striations
C. Incremental lines
D. Line of enamel tufts