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Progress in Orthodontics
Fig. 5 | Progress in Orthodontics

Fig. 5

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

Fig. 5

Total displacement, von Mises stress of the root and the von Mises stress of PDL of the molar with different attachment designs. a, One-molar distalization without an attachment. b, One-molar distalization with a horizontal attachment. c, One-molar distalization with a vertical attachment. d, Two-molar distalization without attachments. e, Two-molar distalization with horizontal attachments. f, Two-molar distalization with vertical attachments

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