Split-Mouth Comparison of Invisalign Attachments

This study evaluates how accurately the attachments used in Invisalign treatment (Align Technology Inc., San Jose, CA, USA) match their planned shapes and sizes in the ClinCheck software (ClinCheck®, Align Technology Inc., San Jose, CA, USA). Attachments are small tooth-colored bumps that help clear aligners grip the teeth and move them effectively. The investigators are comparing two types of attachments: optimized and conventional, to determine which is bonded to the tooth more accurately and maintains its shape better over time. Participants beginning Invisalign treatment will have attachments placed as part of their normal care. Digital scans will be taken immediately after placement and during follow-up visits to assess attachment accuracy and wear. The goal is to identify which attachment design provides greater precision and durability to improve the predictability and efficiency of Invisalign treatment planning.

NCT Number	NCT07215598
Lead Sponsor	University of Maryland, Baltimore
Conditions	Wear, Restoration, Volume Assessment, Clear Aligner Appliance
Enrollment	30 participants
Start Date	2025-11-20
Primary Completion	2028-07 (estimated)
Study Completion	2028-07 (estimated)
Updated on ClinicalTrials.gov	2026-02-10