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Progress in Orthodontics
Fig. 1 | Progress in Orthodontics

Fig. 1

From: The effect of space arrangement between anterior teeth on their retraction with clear aligners in first premolar extraction treatment: a finite element study

Fig. 1

Computer-aided designed models. A The three-dimensional finite element model for anterior dentition retraction involved in the first premolar extraction. B The dentition arrangements model without spaces and the corresponding aligner model. C The dentition arrangements model with 0.25, 0.50, 0.75, and 1.00 mm spaces and the corresponding aligner model

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