Orthodontic Tooth Movement with Clear Aligners

Table 1

Comparison of demographics of weekly aligner versus biweekly control groups.

Age	N	Mean	SD	Min	Max	𝑃 value
Weekly aligner	15	25.5	4.8	20.5	34.9	0.50*
Biweekly control	37	26.66	5.12	18.56	40.48
Sex	Female	Male	% Female
Weekly aligner	9	6	60%			0.52**
Biweekly control	26	11	70%
Race	White	Black	Asian	Hispanic	Pac. Island.
Weekly aligner	8 (53%)	2 (12%)	3 (20%)	1 (7%)	1 (7%)	0.08***
Biweekly control	28 (76%)	5 (14%)	1 (3%)	3 (8%)	0

∗Wilcoxon rank sum test.
∗∗Fisher exact test.
∗∗∗White versus nonwhite Fisher exact test.