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Fig. 1 | Progress in Orthodontics

Fig. 1

From: Predictability of crowding resolution in clear aligner treatment

Fig. 1

Measurements: upper and lower arch widths, arch length, and interproximal enamel reduction. A–C Intercuspid width: linear distance between inner lingual points; interpremolar width: linear distance between inner lingual points; intermolar width: linear distance between inner lingual points; D arch length: the perpendicular to a line connecting the contact point passing through the buccal point; E Interproximal enamel reduction: the difference between mesiodistal diameter at T0 and T1

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