Читать книгу Applied Oral Physiology - Robin Wilding - Страница 59

1. What causes the extraction of molar teeth to be more difficult than incisor teeth?

2. Does the periodontal ligament support the tooth like a hammock (under tension) or like a cushion (under compression)?

3. What are the functions of the periodontium?

4. Why is it important to place an avulsed tooth back in its socket as soon as possible?

5. What similarities and differences are there between cementum, dentin, and bone?

6. What features of the junctional epithelium provide a barrier to the progress of plaque microorganism into the periodontal ligament?

7. What is the nerve and blood supply of the periodontium?

8. How is the periodontium affected by changes in the level of female hormones?

9. What evidence suggests that cementum formation may be induced by cells of epithelial origin?

10. What are the functions of cementum?

11. What role do epithelial cell rests have in preventing ankylosis?

12. Why is the formation of new cementum essential during healing of the periodontal ligament?