NCT07533682

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

• Status: Not Yet Recruiting
• Phase: N/A
• Study type: Interventional
• Enrollment: 30 (estimated)
• Sponsor: Aisha Ali Qahtani · Academic / Other
• Sex: All
• Age: 18 Years – 35 Years
• Healthy volunteers: Not accepted

Summary

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.

Detailed description

Each patient will be randomly allocated, and the entire patient included in this study will be divided into two groups.

Conditions

• Crossbite (Posterior)
• Expansion of Maxillary Arch
• Clear Aligner Appliance

Interventions

Type	Name	Description
DEVICE	maxillary expander with transpalatal strap S11	new feature incorporated into the aligners, called trans Palatal bar (S11-Horizontal Arch Expander) which is an invisible clear trans Palatal expander customized to the patient through digital design and individual cutting
DEVICE	conventional expantion	maxillary expansion with conventional expansion design

Timeline

• Start date: 2026-05-14
• Primary completion: 2026-12-20
• Completion: 2027-05-20
• First posted: 2026-04-16
• Last updated: 2026-04-16

Locations

1 site across 1 country: Saudi Arabia