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Progress in Orthodontics
Fig. 1 | Progress in Orthodontics

Fig. 1

From: Biomechanical effects of different staging and attachment designs in maxillary molar distalization with clear aligner: a finite element study

Fig. 1

Three-dimensional FEA model for molar distalization. a, Maxillary arch with crowns, different buccal attachments (blue squares) and a geometric model of the clear aligner (X–Y-Z axes). b, one-molar distalization and “V-pattern” staging. c, two-molar distalization and “V-pattern” staging. 7: second molar 6: first molar 5: second premolar 4: first premolar 3–3: canine, lateral incisor, central incisor

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