A comparison of the upper anterior teeth movements with optimized and conventional attachment.

Background: Invisalign® attachments are divided into two main groups: the conventional group and the optimized group, which is also known as the SmartForce™. The aim of this study is to compare the movements produced by an optimized crescent-shaped attachment in superior incisor teeth with the movements produced by a conventional rectangular attachment (vertical and horizontal) in the same teeth.

Material And Methods: This retrospective study examined the movement table of the initial ClinCheck® and the first refinement of 95 patients (mean age 44.