Dental and Skeletal Changes after Transpalatal Distraction

Table 3

Descriptive statistics and within-subject comparisons of measurements before (T1) and after treatment (T2).

Measurements	Pretreatment (T1) (MeanSD)	Posttreatment (T2) (MeanSD)	value
L1	16.6	25.8	<0.0001
L2	24.8	34.1	<0.0001
L3	31.0	40.4	<0.0001
L4	30.0	39.2	<0.0001
L5	34.5	43.0	<0.0001
L6	39.9	47.5	<0.0001
b2	4.5	4.6	0.472
b3	8.3	8.4	0.429
b4	15.9	16.0	0.385
b5	21.0	21.2	0.318
b6	35.3	35.6	0.339
W1	57.2	62.0	<0.0001
W2	55.3	58.2	<0.0001
W3	29.1	30.8	<0.0001
N-Gn	119.0	118.1	0.394
H1	43.0	42.7	0.247
H2	54.4	52.8	0.002
H3	65.6	65.0	0.203

SD, standard deviation.