Table 5 Classification of overall severity of apical root resorption (ARR) in the two groups
Severity of ARR | Clear aligners (N, %) | Fixed appliances (N, %) | ||
|---|---|---|---|---|
0° | 163 | 43.70% | 67 | 18.16% |
1° | 210 | 56.30% | 228 | 61.79% |
2° | 0 | 0 | 71 | 19.24% |
3° | 0 | 0 | 3 | 0.81% |
Severity of ARR | Clear aligners (N, %) | Fixed appliances (N, %) | ||
|---|---|---|---|---|
0° | 163 | 43.70% | 67 | 18.16% |
1° | 210 | 56.30% | 228 | 61.79% |
2° | 0 | 0 | 71 | 19.24% |
3° | 0 | 0 | 3 | 0.81% |