NCT06609733View on ClinicalTrials.gov

Comparative Effect of Clear Aligner Mandibular Advancement and Twin Block Appliances in Class II Malocclusion

CompletedOBSERVATIONAL
Enrollment

47

Participants

Timeline

Start Date

August 1, 2021

Primary Completion Date

August 1, 2022

Study Completion Date

June 30, 2024

Conditions
CLASS II DIVISION 1 MALOCCLUSION
Interventions
DEVICE

Twin block

The TB group used a single appliance continuously, with appropriate reduction of occlusal surface height by 1 mm when clinically indicated. Both groups had follow-up appointments every 6 weeks.

DEVICE

Clear aligner with mandibular function

The MA group underwent stepwise mandibular forward movement with clear aligners (Invisalign, Align Inc, CA, USA) worn for 22 hours/day and replaced every 7 days.

Trial Locations (1)

610041

West China School of Stomatology, Sichuan University, Chengdu

All Listed Sponsors
lead

Sichuan University

OTHER

NCT06609733 - Comparative Effect of Clear Aligner Mandibular Advancement and Twin Block Appliances in Class II Malocclusion | Biotech Hunter | Biotech Hunter