Table 2. Comparison of skeletal and dentoalveolar measurements before (T1) and after (T2) expansion (n = 14; mm).

Data are presented as mean ± standard deviation.

IPMW, Interpremolar width; IMW, intermolar width.

Please refer to Table 1 for the definition of each landmark.

Paired t-tests were performed according to the normality of the data; ^*p < 0.05, ^‡p < 0.001.