Comparison of Maxillary Molar Distalization with an Implant-Supported Distal Jet and a Traditional Tooth-Supported Distal Jet Appliance

Table 2

Statistic analysis.

Variable	DS group T1	DJ group T1	DS group T2-T1	DS group T2-T1	𝑃 value
PTV-U6
Mean (SD), mm	20 (2.1)	20.2 (2.8)	−4.7 (1.6)	−4.4 (2.5)	0.6373*
PTV-U4
Mean (SD), mm	36.2 (1.8)	37.2 (2.9)	−2.1 (1.8)	0.9 (1.6)	<0.001*
SN-U6
Median (Iqr^†), degrees	68 (66 to 72.8)	68 (66 to 70.8)	−2.8 (−3.1 to −1.3)	−5.0 (−9.0 to −2.0)	0.0815^‡
SN-U4
Median (Iqr^†), degrees	82.5 (76.0 to 84.5)	80.5 (77.5 to 84.8)	−3.0 (−3.7 to −1.3)	−1.0 (−4.8 to 0.8)	0.5793^‡
PP-U6
Mean (SD), mm	14 (1.2)	15.5 (1.7)	0.7 (1.9)	0.4 (2.5)	0.6951*
PP-U4
Median (Iqr^†), mm	17.5 (16.3 to 19)	19 (17.3 to 20)	1.1 (0.1 to 1.9)	3.5 (1.0 to 4.0)	0.0364^‡
PTV-A
Mean (SD), mm	48.7 (3.3)	47.9 (2.9)	0.4 (0.7)	1.1 (2.4)	0.2316*

∗Unpaired 𝑡-test, 𝛼=0.05.
†Iqr is interquartile range.
‡Two-sample Wilcoxon rank-sum test, 𝛼=0.05.