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Evaluation of duration of treatment
| Root Resorption After Treatment | Duration of Treatment (Months) | Pa | |
|---|---|---|---|
| 8-32 months (n=154), n (%) | 33-49 months (n=146), n (%) | ||
| No | 146 (94.8) | 129 (88.4) | .043* |
| Yes | 8 (5.2) | 17 (11.6) | |
aPearson chi-square test; *P < .05.
