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Progress in Orthodontics

Table 2 Transmittance values of the three aligners before and after in vitro aging

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

Aligner

Transmittance at 400 nm ± SD

Transmittance at 700 nm ± SD

As received

After aging

Significance

As received

After aging

Significance

All-In

53.58 ± 4.1

51.08 ± 2.6

N.S.

60.72 ± 2.9

59.60 ± 2.6

N.S.

Invisalign

68.65 ± 1.1

63.38 ± 3.0

N.S.

72.66 ± 1.1

69.27 ± 2.4

N.S.

F22

79.29 ± 5.0

78.25 ± 1.2

N.S.

82.45 ± 4.6

82.45 ± 1.7

N.S.

  1. N.S. not significant variation
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