Table 5: Results of the intergroup comparison of the maxillary and mandibular dental arches dimensions in the final stages (T2) (independent t test).

Variables (mm) Group 1
Damon
(N=21)
Group 2
Conventional
(N=24)
P
Mean S.D. Mean S.D.
Mx IC 35.93 1.68 35.12 1.68 0.112
Mx I1PM 37.97 1.56 37.09 1.62 0.070
Mx I2PM 43.14 1.66 42.16 1.86 0.071
Mx IM 46.92 1.83 45.65 2.23 0.045*
Mx AL 69.25 3.35 68.94 3.08 0.694
Md IC 27.31 1.51 26.44 1.32 0.046*
Md I1PM 32.12 1.39 30.85 1.54 0.006*
Md I2PM 36.84 1.74 35.81 1.96 0.071
Md IM 40.96 1.85 39.75 2.30 0.059
Md AL 58.54 2.84 59.04 2.74 0.548

Mx=maxillary; Md=mandibular; IC=intercanine distance; I1PM=inter first premolar distance; I2PM=inter second premolar distance; IM=intermolar distance; AL=arch length.
* Statistically significant for p <0.05