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Superimposition of pre- and posttreatment models. (A) Registration of actual pre- (blue) and posttreatment (red) models on the palatal stable region (dotted line). (B) Virtual pre- (gray) and posttreatment (yellow) models from ClinCheck. (C) Registration of actual and virtual pretreatment models on the dental arch. (D) Final superimposition of all four models.
