Progress in Orthodontics

Table 7 Percentage variations in aligner absorbance and transmittance after in vitro aging

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

	% variation at 400 nm		% variation at 700 nm
Aligner	Absorbance	Transmittance	Absorbance	Transmittance
All-In	+5.77	−4.53	+3.86	−1.83
F22	−0.74	−1.09	−6.55	+0.14
Invisalign	+10.46	−7.70	+8.73	−4.68

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