Progress in Orthodontics

Table 4 Post-aging absorbance values of the three aligners

From: Optical properties of orthodontic aligners—spectrophotometry analysis of three types before and after aging

Wavelength (nm)	All-In	Invisalign	F22	p value
400	0.278 ± 0.011	0.190 ± 0.03	0.104 ± 0.003	<0.001
450	0.257 ± 0.010	0.176 ± 0.03	0.092 ± 0.003	<0.001
500	0.243 ± 0.009	0.168 ± 0.03	0.089 ± 0.003	<0.001
550	0.234 ± 0.009	0.163 ± 0.02	0.087 ± 0.003	<0.001
600	0.226 ± 0.008	0.160 ± 0.02	0.086 ± 0.003	<0.001
650	0.219 ± 0.008	0.157 ± 0.02	0.083 ± 0.004	<0.001
700	0.214 ± 0.008	0.155 ± 0.02	0.080 ± 0.004	<0.001

Significance level p < 0.05

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