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Table 1 Baseline characteristics of participants in the two groups

From: Prevalence and severity of apical root resorption during orthodontic treatment with clear aligners and fixed appliances: a cone beam computed tomography study

 

Clear aligners (N = 35)

Fixed appliances (N = 35)

Age (mean ± SD)

24.71 ± 7.48

22.51 ± 6.47

Sex (N, %)

 Male

13 (37%)

8 (23%)

 Female

22 (63%)

27 (77%)

Treatment time (mean ± SD)

21.54 ± 5.55

23.31 ± 6.25

Extraction (N, %)

19 (54%)

14 (40%)

  1. SD standard deviation