"Sliding Jigs vs Retraction Hooks for Maxillary Dentition Distalization Using IZC Miniscrews"

This randomized controlled clinical trial aims to compare the clinical efficacy, efficiency, and biomechanical differences between two methods for total maxillary dentition distalization: (1) the use of a Sliding Jig and (2) the use of Retraction Hooks, both anchored by Infrazygomatic Crest (IZC) miniscrews. The study will assess rates of distalization, anchorage loss, dentoalveolar tipping, patient comfort, and treatment-associated side effects.

NCT Number	NCT07307209
Lead Sponsor	Sana'a University
Conditions	Skeletal Class II Malocclusion
Enrollment	40 participants
Start Date	2026-02-11
Primary Completion	2026-03-15 (estimated)
Study Completion	2026-12 (estimated)
Updated on ClinicalTrials.gov	2026-05-13