Evaluation of facial soft tissue asymmetric changes in patients after jaw surgery

Not Applicable

Completed

• Conditions: Facial soft tissue asymmetric changes following orthodontic treatment and orthognathic surgery; Oral Health; Facial soft tissue changes, orthodontic treatment, orthognathic surgery

• Registration Number: ISRCTN26961096
• Lead Sponsor: Riga Stradinš University

Brief Summary

2022 Results article in https://www.sciencedirect.com/science/article/abs/pii/S0901502722002855 (added 06/10/2022)

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Completion: 2018-12-20
• Study Start: 2021-02-12
• Last Update Posted: 17 October 2022

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 101

Inclusion Criteria

1. Presence of skeletal Class III malocclusion (mandibular prognathism or maxillary retrognathism, or combination)
2. No history of trauma or maxillofacial surgery, or recognized craniofacial syndromes as etiologic factors
3. No active growth at the time of surgery
4. Received preoperative and post-operative orthodontic treatment
5. Underwent a single or both jaw surgeries during the time period of 2011- 2018 at the Department of the Orthodontics, Institute of Stomatology of the Riga Stradinš University
6. All 3D facial images for all 3 time points collected
7. Aged =19 years

Exclusion Criteria

1. Cleft or other craniofacial anomalies or syndromes
2. Beards and/ or mustaches at any time point
3. One of the 3D images was defective (for example, the head was moved during image capture, resulting in duplication of the image).

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
1. Asymmetric changes in soft-tissue are evaluated using the three-dimensional 3dMDtrio (3dMD, Atlanta, GA) stereophotogrammetric system at baseline, 6, and 12 months

Secondary Outcome Measures

Name	Time	Method
<br> 1. The changes in facial asymmetry were compared between the following demographics using the three-dimensional stereophotogrammetric system at baseline, 6, and 12 months:<br> 1.1. Time of image collection (before surgery/6 months after surgery/12 months after surgery)<br> 1.2. Gender (Male/Female)<br> 1.3. Type of surgery (single jaw, LeFort I/both jaw, bimaxillary)<br> 1.4. Facial region groups<br>