The class of low molecular weight calcium binding proteins seen predominantly in develog enamel are_____________?
A. Enamelin
B. Amelogenin
C. Tuftelin
D. Ameloplakin
Medical Mcqs
Metalloprotienases are used in which stage of the amelogenesis_____________?
Metalloprotienases are used in which stage of the amelogenesis_____________?
A. Organising
B. Formative/ Secretory
C. Protective
D. Desmolytic
Nutritional supply of the ameloblasts during most of their life cycle is from the_____________?
Nutritional supply of the ameloblasts during most of their life cycle is from the_____________?
A. Dental pulp
B. Odontoblastic processes
C. Dental sac
D. Reduced dental organ
Neonatal line is also referred to as______________?
Neonatal line is also referred to as______________?
A. Retzius line
B. Line of cross striations
C. Incremental lines
D. Line of enamel tufts
Among the following the structure that is most calcified is_______________?
Among the following the structure that is most calcified is_______________?
A. Enamel lamella
B. Enamel rod
C. Enamel sdle
D. Enamel tuft
Synthesis of enamel matrix proteins occurs in the________________?
Synthesis of enamel matrix proteins occurs in the________________?
A. Outer enamel epithelium
B. Ameloblast
C. Stratum intermedium
D. Stratum granulosum
Enamel is laid down______________?
Enamel is laid down______________?
A. Mainly by odontoblasts
B. Mainly by ameloblasts
C. Only on odontoblasts
D. Only by ameloblasts
The striking difference between enamel and other mineralized tissues is______________?
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
Formation of dentin by odontoblasts begins in_______________?
Formation of dentin by odontoblasts begins in_______________?
A. Morphogenic stage
B. Organizing stage
C. Desmolytic stage
D. Formative stage
Chronological hypoplasia is_____________?
Chronological hypoplasia is_____________?
A. Hypoplasia of local origin
B. Hypoplasia of systemic origin
C. Hypoplasia of hereditary origin
D. None of the above