Daily mcqs test
Dentinogenesis MCQ Test Dentinogenesis – MCQ Test 1. Dentinogenesis begins at: Cervical loop Root apex Cusp tips CEJ 2. Cells responsible for dentin formation are: Ameloblasts Cementoblasts Fibroblasts Odontoblasts 3. Unmineralized dentin matrix is called: Interglobular dentin Predentin Sclerotic dentin Secondary dentin 4. Major organic component of predentin: Type II collagen Type I collagen Type III collagen Elastin 5. Mineralization of predentin starts after: Immediately 6 hours 24 hours 72 hours 6. Initial daily rate of dentin formation is: 1 µm/day 2 µm/day 4 µm/day 10 µm/day 7. Daily incremental lines in dentin: Lines of Retzius Lines of von Ebner Owen’s lines Neonatal line 8. Accentuated incremental lines are: Perikymata Lines of Retzius Contour lines of Owen Neonatal lines 9. Odontoblastic process is called: Sharpey’s fibers Tomes’ fibers Ko...