1, porcelain teeth is a good way to repair, generally does not cause gingival atrophy, but because of the side effects caused by many doctors' surgery, it is attributed to porcelain teeth.

2. The root length 17 cm is also normal, and it is unknown whether there is root resorption or not.

3. 17 cm generally has little influence. If root resorption is confirmed, we can only pay attention to protection and control its development. (such as routine oral care, regular oral examination, etc.). )

4. Try to avoid tooth fatigue.

5. Maintain oral hygiene.

6. It is recommended to use porcelain to repair the teeth after root canal treatment, because the teeth after root canal treatment are brittle and easy to split or crack.

7. The market price of porcelain teeth varies from region to region.

8. Generally, porcelain teeth can easily lead to black gingival margin. It is suggested to repair it with high-grade porcelain.