Table 2.
Comparison of the success rates of each treatment at different follow-up times in 2011 and 2018.
| Treatment | 0–12 month | 13–24 month | ≥25 month | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of teeth with successful treatment | Number of teeth with failed treatment | P | Number of teeth with successful treatment | Number of teeth with failed treatment | P | Number of teeth with successful treatment | Number of teeth with failed treatment | P | ||
| Filling | 2011 | 233 | 0 | 0.006 | 209 | 24 | 0.109 | 67 | 28 | 0.001 |
| 2018 | 50 | 3 | 49 | 1 | 42 | 2 | ||||
| Pulp capping | 2011 | 862 | 2 | <0.001 | 717 | 136 | <0.001 | 133 | 115 | <0.001 |
| 2018 | 1792 | 37 | 1698 | 81 | 1086 | 210 | ||||
| Root canal treatment | 2011 | 580 | 1 | <0.001 | 418 | 162 | <0.001 | 73 | 51 | 0.001 |
| 2018 | 1462 | 56 | 1391 | 61 | 871 | 320 | ||||
| Extraction | 2011 | 50 | 0 | – | 49 | 0 | – | 13 | 0 | – |
| 2018 | 179 | 0 | 178 | 0 | 134 | 0 | ||||
| Pulpotomy | 2011 | 290 | 0 | 0.03 | 219 | 61 | <0.001 | 27 | 30 | <0.001 |
| 2018 | 128 | 3 | 122 | 5 | 86 | 19 | ||||
| Pit and fissure sealing | 2011 | 0 | 0 | – | 0 | 0 | – | 0 | 0 | – |
| 2018 | 86 | 0 | 72 | 14 | 44 | 25 | ||||