Comparison of Maxillary Dental Expansion Using Smartee Clear Aligner With and Without S11 Expander: A Randomized Clinical Trial

To compare the effects of Smartee S11 expander with conventional clear aligner expansion using cone beam computed tomography (CBCT). The secondary objective is to evaluate the degree of orthodontic expansion and the type of tooth movement achieved with Smartee aligners on the maxillary arch.

NCT Number	NCT07533682
Lead Sponsor	Aisha Ali Qahtani
Conditions	Crossbite (Posterior), Expansion of Maxillary Arch, Clear Aligner Appliance
Enrollment	30 participants
Start Date	2026-05-14
Primary Completion	2026-12-20 (estimated)
Study Completion	2027-05-20 (estimated)
Updated on ClinicalTrials.gov	2026-04-16