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A retrospective study on upper airway changes after orthognathic surgery

A retrospective study on upper airway changes after orthognathic surgery

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000033035
Enrollment
Unknown
Registered
2020-05-18
Start date
2020-05-25
Completion date
Unknown
Last updated
2020-05-25

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

Conditions

Dento-maxillofacial deformities

Interventions

patients with class II malocclusion and patients with class III malocclusion:Nil

Sponsors

Stomatological Hospital of Peking University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. The patients aged 18-40 years old have completed their growth and development, and their jaws have no growth potential; 2. Patients diagnosed as skeletal Class III malocclusion and skeletal Class II malocclusion need orthognathic surgery. 3. Patients with simple jaw deformity; 4. Patients with bimaxillary surgery; 5. Patients with no history of orthodontic treatment or other maxillofacial operations before treatment.

Exclusion criteria

Exclusion criteria: 1. Patients with skeletal Class III malocclusion and cleft lip and palate associated with various syndromes; 2. Patients with obstructive sleep disordered breathing disease and treatment history; 3. Patients with serious systemic diseases or other syndromes; 4. Patients with history of oral and maxillofacial trauma and operation; 5. Patients with BMI > 35.

Design outcomes

Primary

MeasureTime frame
Volume, sectional area, diameter and length of upper airway;

Countries

China

Contacts

Public ContactXuemei Gao

Stomatological Hospital of Peking University

xmgao@263.net+86 13501313546

Outcome results

None listed

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