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Figure 1
Image acquisition mechanics of the IOS devices.
Figure 2
Creation of the virtual aligners.
Figure 3
Picture of a 1 mm thick VA from various angles.
Figure 4
Three planes of section (orange lines) used to achieve common boundaries. (B) Before sectioning, (A) after sectioning.
Figure 5
Illustration of the settings that were applied prior to the best-fit alignment.
Figure 6
Overlapping of the VAs. The meanings of the color codes: green; perfectly aligned areas, red; positively positioned areas (PPA) relative to the reference model, blue; negatively positioned areas (NPA).
Figure 7
A: Behavioural differences of light reflected from complex surfaces B: Schematic illustration of the flattening occurring on complex surfaces, RS: Real surface and DS: Virtual surface obtained in the digital model.
Mean values of the parameters and comparison of findings among groups.