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Retrospective study for upper airway and jaw stability in patients with skeletal class II malocclusion after orthognathic surgery

Retrospective study for upper airway and jaw stability in patients with skeletal class II malocclusion after orthognathic surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900024613
Enrollment
Unknown
Registered
2019-07-19
Start date
2019-07-18
Completion date
Unknown
Last updated
2019-07-22

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

Conditions

dentomaxillofacial deformities

Interventions

Bimaxillary Surgery:Lefort I +BSSRO
maxillary surgery:Lefort I
mandibular surgery:BSSRO

Sponsors

School and Hospital of Stomatology, Wuhan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients were diagnosed with skeletal class II dentomaxillofacial deformities (including mandibular hypoplasia, maxillary hyperplasia, chin retraction, etc.); (2) over 18 years of age at the time of the surgery; (3) combined orthodontic and surgical treatment; (4) complete radiograph imaging data.

Exclusion criteria

Exclusion criteria: (1) traumatic fracture, the oral and maxillofacial cysts and tumors; (2) rhinitis, pharyngitis, sinusitis, tonsillar hypertrophy and other upper respiratory diseases; (3) Patients with significant temporomandibular joint symptoms.

Design outcomes

Primary

MeasureTime frame
Relationship between the change of the narrowest diameter and volume of the upper airway and the linear change of point B after operation and 1 year after operation;Relationship between TMJ space and linear change of B point after operation and 1 year after operation;

Countries

China

Contacts

Public ContactXuewen Yang

School and Hospital of Stomatology, Wuhan University

yxw._1962@whu.edu.cn+86 13396088722

Outcome results

None listed

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