Application of Mandible-first Sequence in Bimaxillary Orthognathic Surgery for Skeletal Class II Dentofacial Deformities

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100046416

Enrollment

Unknown

Registered

2021-05-15

Start date

2021-06-10

Completion date

Unknown

Last updated

2022-01-04

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

Conditions

Skeletal Class II Dentofacial Deformity

Interventions

Experimental group:Jaw priority

Control group:Maxillary priority

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Participants are between 18 and 60 years old, regardless of gender; 2. Patients with skeletal Class II dentofacial deformities who have completed preoperative orthodontics; 3. Ability to comply with program requirements and data collection procedures; 4. Sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Patients with severe systemic infections or severe lung, liver, kidney, hematopoietic diseases and other surgical contraindications; 2. Patients with temporomandibular joint disease causing restricted opening, or extremely unstable joints; 3. Pregnant or lactating women; 4. Severe mental illness affects postoperative follow-up; 5. The researcher believes that it is not suitable to participate in this research.

Design outcomes

Primary

Measure	Time frame
Three-dimensional matching degree of operation effect and design plan;Condyle position before and after surgery;Cephalometric measurement before and after surgery;	—

Countries

China

Contacts

Public ContactWan Qilong

Hospital of Stomatology,Wuhan University

qilong.wan@whu.edu.cn+86 13971048220

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026