A. Sustenticular cells
B. Taste cells
C. Von ebner cells
D. Acini
✅ The correct answer is option A. Sustenticular cells.
Oral Histology
12. Protein making up the bulk of keratohyaline granules in stratum granulosum of keratinized epithelium is______________?
A. Involucrin
B. Vinculin
C. Filaggrin
D. Nectin
✅ The correct answer is option C. Filaggrin.
13. Calcified tissue is absent in______________?
A. Enamel
B. Dentin
C. Cementum
D. Pulp
✅ The correct answer is option D. Pulp.
14. The bud, cap and bell stage of the developing tooth are based, on growth of the______________?
A. Stellate reticulum
B. Dental papilla
C. Enamel organ
D. Dental sac
✅ The correct answer is option C. Enamel organ.
15. Inorganic content of cementum is______________?
A. 45 to 50%
B. 50 to 55%
C. 55 to 60%
D. 60 to 65%
✅ The correct answer is option A. 45 to 50%.
16. Inter globular dentin results due to_____________?
A. Failure of coalescence of calcospherities
B. Fracture of the dentin
C. Artifact in light microscopy
D. Disturbance in dentinal tubules
✅ The correct answer is option A. Failure of coalescence of calcospherities.
17. Which of the following anomalies occur during the initiation and proliferation of tooth development ?
A. Amelogenisis imperfecta
B. Dentinogenesis imperfecta
C. Enamel hypoplasia
D. Oligodontia
✅ The correct answer is option D. Oligodontia.
18. Accentuated incremental lines in dentin are______________?
A. Incremental lines of retzius
B. Incremental lines of von Ebner
C. Contour lines lines of owen
D. None of the above
✅ The correct answer is option C. Contour lines lines of owen.
19. Which of the following dentinal layers is more mineralized______________?
A. Peritubular dentin
B. Inter tubular dentin
C. Dentinal tubules
D. Circum pulpal dentin
✅ The correct answer is option A. Peritubular dentin.
20. Which of the following is non-keratinocyte ?
A. Langhan’s cell
B. RBC
C. Langerhans cell
D. Grey cell
✅ The correct answer is option C. Langerhans cell.