Post treatment interval | Radiographic Findings | |||||||
Widened PDL | Periapical or
inter-radicular radiolucency |
Internal resorption | Abnormal root resorption |
|||||
GI | GII | GI | GII | GI | GII | GI | GII | |
1 month | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
3 months | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
6 months | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 2 |