Enamel

The class of low molecular weight calcium binding proteins seen predominantly in develog enamel are_____________? A. EnamelinB. Amelogenin C. Tuftelin D. Ameloplakin

Metalloprotienases are used in which stage of the amelogenesis_____________? A. OrganisingB. Formative/ Secretory C. Protective D. Desmolytic

Nutritional supply of the ameloblasts during most of their life cycle is from the_____________? A. Dental pulp B. Odontoblastic processesC. Dental sac D. Reduced dental organ

Neonatal line is also referred to as______________? A. Retzius line B. Line of cross striationsC. Incremental lines D. Line of enamel tufts

Among the following the structure that is most calcified is_______________? A. Enamel lamellaB. Enamel rod C. Enamel sdle D. Enamel tuft

Synthesis of enamel matrix proteins occurs in the________________? A. Outer enamel epitheliumB. Ameloblast C. Stratum intermedium D. Stratum granulosum

Enamel is laid down______________? A. Mainly by odontoblasts B. Mainly by ameloblasts C. Only on odontoblastsD. Only by ameloblasts

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 capacityD. Most of organic…

Formation of dentin by odontoblasts begins in_______________? A. Morphogenic stageB. Organizing stage C. Desmolytic stage D. Formative stage

Chronological hypoplasia is_____________? A. Hypoplasia of local originB. Hypoplasia of systemic origin C. Hypoplasia of hereditary origin D. None of the above