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Three dimensional measurement of natural head position in patients with facial asymmetry before and after orthognathic surgery

Three dimensional measurement of natural head position in patients with facial asymmetry before and after orthognathic surgery

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000039225
Enrollment
Unknown
Registered
2020-10-22
Start date
2020-10-10
Completion date
Unknown
Last updated
2021-01-25

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

Conditions

Facial asymmetry

Interventions

Facial asymmetry group:Nil
Non facial asymmetric skeletal malocclusion group:Nil

Sponsors

West China Stomatological Hospital, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Non facial asymmetric skeletal malocclusion: (1) The patients were diagnosed as malocclusion with non facial asymmetry; (2) Aged 18-35 years, without systemic diseases and spinal diseases; (3) Patients signed informed consent and voluntarily participated in the study. Facial asymmetry: (1) The patient was diagnosed as facial asymmetry deformity; the median line was determined through the cockscomb point and perpendicular to the left and right suborbital points, and the me point deviated from the midline by more than 4mm; (2) the patients were 18-35 years old, without systemic diseases and spinal diseases; (3) The patients signed informed consent and voluntarily participated in the study.

Exclusion criteria

Exclusion criteria: Non facial asymmetric skeletal malocclusion: (1) accompanied by systemic diseases; (2) spinal diseases, including cervical and lumbar spine diseases; (3) aged more than 35 years or less than 18 years old; (4) patients with obvious asymmetric deformity Facial asymmetry deformity: (1) accompanied by systemic diseases; (2) spinal diseases, including cervical and lumbar spine diseases; (3) aged more than 35 years or less than 18 years old.

Design outcomes

Primary

MeasureTime frame
Deflection angle;

Countries

China

Contacts

Public ContactEn Luo

West China Stomatological Hospital, Sichuan University

478687607@qq.com+86 15196633047

Outcome results

None listed

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