The Accuracy of Maxillary Canines' Rotation with Different Attachment Designs: A Retrospective Study.

ABSTRACT: Background/Objectives: The rotation of maxillary canines represents one of the least predictable movements with clear aligners, particularly in cases requiring rotations greater than 10°, due to the rounded crown morphology and limited aligner grip. The aim of this retrospective study was to compare three different crescent-shaped attachment designs (vertical, horizontal, and oblique) for maxillary canine rotations greater than 10° with clear aligners. Methods: Seventy-eight maxillary canines were retrospectively selected and allocated into three equal groups (n = 26) according to the orientation of the applied attachment: vertical, horizontal, or oblique crescent-shaped attachments. Digital STL models (initial, predicted, and final) were imported into Dolphin 3D softw

SUBMITTER: Staderini E 

PROVIDER: S-EPMC12842249 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature