A. Sclerotic dentin
B. Primary dentin
C. Secondary dentin
D. Interglobular dentin
Dentinal tubules are calcified in_______________? Read More »
Dentin, Medical Mcqs, Oral Histology A. Incremental lines of retzius
B. Incremental lines of vonebner
C. Contour lines of owen
D. None of the above
A. Ca3 (Po4)2 CaCo3
B. 3Ca (Po4)2 Ca(OH)2
C. CaPo4 Ca(OH)2
D. None of the above
Formula of hydroxyapatite crystal is____________? Read More »
Dentin, Medical Mcqs, Oral Histology A. Bone
B. Acellular cementum
C. Enamel
D. None of the above
Physically and chemically, the dentin is closely related to______________? Read More »
Dentin, Medical Mcqs, Oral Histology A. 1/2 that of enamel
B. 1/7 that of enamel
C. 1/4 that of enamel
D. 1/5 that of enamel
The microhardness of dentin is about____________? Read More »
Dentin, Medical Mcqs, Oral Histology A. Pulpal end
B. Cusp tip
C. Tooth bud stage
D. Cervical area
Dentinogenesis by odontoblasts first begins at_____________? Read More »
Dentin, Medical Mcqs, Oral Histology A. Mantle dentin
B. Circumpulpal dentin
C. Predentin
D. Secondary dentin
The zone of dentin most recently formed and uncalcified is known as____________? Read More »
Dentin, Medical Mcqs, Oral Histology A. They elicit pain to hot and cold
B. They elicit pain to touch and pressure
C. They elicit pain to chemicals
D. Elicit only pain as a response
The dentin receptors are unique because_____________? Read More »
Dentin, Medical Mcqs, Oral Histology A. Cavity preparation
B. Dehydration
C. Water irrigation
D. None of the above
Mirgration of odontoblasts into dentinal tubules occurs during ________________? Read More »
Dentin, Medical Mcqs, Oral Histology A. Mantle dentin
B. Circumpulpal dentin
C. Predentin
D. Secondary dentin
The dentin adjacent to the dentinoenamel junction is called the______________? Read More »
Dentin, Medical Mcqs, Oral Histology