Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
牙髓钙化指数(PCI)变化趋势类型及分布病例数
The types of pulp calcification index (PCI0, PCI1, PCI2) variation trend and number of distributed cases
| Type | Before operation (CPI0) |
1-year (CPI1) |
2-year follow-up (CPI2) |
Cases (n=36) |
| 1 | 1 | 2 | 2 | 10 |
| 2 | 2 | 3 | 3 | 9 |
| 3 | 2 | 2 | 3 | 7 |
| 4 | 2 | 2 | 2 | 4 |
| 5 | 3 | 3 | 3 | 2 |
| 6 | 2 | 4 | 4 | 1 |
| 7 | 2 | 3 | 4 | 1 |
| 8 | 1 | 2 | 3 | 1 |
| 9 | 1 | 3 | 3 | 1 |
