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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...

"Ehlers-Danlos syndrome."  Ehlers-Danlos syndrome (EDS) is a group of rare genetic connective tissue disorders that affect the body's ability to produce collagen, which is a key component of skin, tendons, ligaments, blood vessels, and internal organs. EDS can lead to a wide range of symptoms and complications due to the weakness and fragility of connective tissues. Here's more information about Ehlers-Danlos syndrome: **Causes:** EDS is caused by mutations in genes that are involved in the production of collagen or the structure of connective tissues. Different types of EDS are classified based on the specific gene mutations and the patterns of collagen production they affect. **Symptoms:** The symptoms of EDS can vary widely depending on the type of EDS an individual has. Common symptoms may include: - Hypermobile joints - Fragile and easily bruised skin - Stretchy and hyperelastic skin - Joint pain and dislocations - Weak blood vessels, leading to easy ...