Effect of orthognathic surgery on facial expressions and psychosocial well-being - a 4D preliminary study

Phase 1

Recruiting

• Conditions: Anomalies of jaw-cranial base relationship; K07.1

• Registration Number: DRKS00017206
• Lead Sponsor: Poliklinik für Kieferorthopädie Universitätsmedizin Göttingen

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2019-11-12
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 60

Inclusion Criteria

Need for orthognathic surgery (Index of orthognathic functional treatment need >4)
- skeletal class III or skeletal class II
- Braces in situ on both investigation time points T0 and T1
- >24 teeth in situ
- adult patient (> 18 years old)
- ASA class 1 or 2

Exclusion Criteria

- cleft lip and/or palate
- impaired facial motion
- excessive facial hair
- positive history of orthognathic surgery
- excessive facial asymmetry (menton deviation > 4mm)

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Oral-health related quality of life is determined using the Orthognathic Quality of Life Questionnaire 1 day preoperative (T0) and 4 months postoperative (T1).

Secondary Outcome Measures

Name	Time	Method
Secondary outcomes are measured 1 day preoperative (T0) and 4 months postoperative (T1) as follows:<br>a) Maximum smile: magnitude - speed - similarity<br>b) Lip purse: magnitude - speed - similarity<br>c) self-efficacy<br>d) body image