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Table 1 Comparison of tooth length changes between pre-treatment and post-treatment in each group

From: Comparison between anterior segmental osteotomy versus conventional orthodontic treatment in root resorption: a radiographic study using cone-beam computed tomography

  T0 T1 T0-T1 differences Range (95% confidence interval) P value
Mean ± SD Mean ± SD Mean ± SD Min Max
Group A 26.07 ± 1.71 24.46 ± 1.52 1.61 ± 0.45 1.35 1.86 .000**
Group B 25.07 ± 2.26 24.11 ± 2.12 0.96 ± 0.66 0.58 1.35 .000**
  1. ** P <0.01