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Progress in Orthodontics
Fig. 1 | Progress in Orthodontics

Fig. 1

From: Curve of Spee modification in different vertical skeletal patterns after clear aligner therapy: a 3D set-up retrospective study

Fig. 1

Procedure for COS depth measurements on digital models. a Occlusal view of mandibular stl model, b occlusal view and selection of right side of jaw, c sagittal view of model and occlusal reference passing through the cusp of canine and buccal distal cusp of mandibular second molar and d measurement of the distance from the occlusal reference plane to each tooth in order to determine the depth of the COS

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