Table 1.
Study protocol for each included patient
| Sessions | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Timing | D-15 to D0 | D0 | D + 15 | D+21 | 3 months | 6 months | 12 months |
| Written informed consent | X | ||||||
| Inclusion and exclusion criteria | X | ||||||
| Diagnosis of immature tooth pulp necrosis | X | ||||||
| Clinical exam: symptoms | X | X | X | X | X | X | X |
| Radiographic exam | X | X | X | X | X | X | X |
| Calcium hydroxide filling or renewal | X | X(CH group) | X(CH group-no barrier) | X(CH group-no barrier) | |||
| Apical filling with MTA | X(MTA group) | ||||||
| Complete filling with gutta-percha | X(MTA group) | X(CH group and apical barrier) | X(CH group and apical barrier) | ||||