Changes in condylar position and postoperative stability in Surgery-First combined orthodontic and orthognathic treatment

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2500111068

Enrollment

Unknown

Registered

2025-10-24

Start date

2025-11-01

Completion date

Unknown

Last updated

2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Skeletal Class III malocclusion in adult

Interventions

Patients undergoing Surgery-First Approach:NA

Eligibility

Sex/Gender

All

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. Surgery first approach; 2. Skeletal Class III malocclusion; 3. Complete orthognathic surgery; 4. Double-jaw surgery: Lefort I and BSSRO, without segmental osteotomy;

Exclusion criteria

Exclusion criteria: 1. Multiphase surgeries due to obvious congenital malformations;

Design outcomes

Primary

Measure	Time frame
B-VRP(mm);	—

Secondary

Measure	Time frame
pitch angle (°);Me-HRP(mm);mandibular plane angle;roll angle(°);posterior joint space, PJS,(mm);U6-HRP;A-VRP(mm);overjet, OJ(mm);A-HRP(mm);overbite,OB,(mm);yaw angle(°);anterior joint space,AJS,(mm);superior joint space, SJS,(mm);	—

Countries

China

Contacts

Public ContactZhou Yang

Peking University Hospital of Stomatology

zhouyang001231@sina.com+86 10 5329 5073

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 20, 2026