ArticleImaging science in dentistry2026
Three-dimensional analysis of condylar displacement after orthognathic surgery in patients with facial asymmetry.
Article in Imaging science in dentistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: This study aimed to evaluate condylar positional changes in patients with facial asymmetry undergoing orthodontic treatment and orthognathic surgery by comparing the affected side (the side toward which the chin deviates) and the non-affected side (the contralateral side) across different treatment stages. Materials and Methods: A retrospective cone-beam computed tomography (CBCT) analysis was conducted on 25 patients with facial asymmetry (menton deviation >4 mm) treated at Taipei Veterans General Hospital. CBCT scans were obtained at 4 timepoints: pre-treatment (T1), post-orthodontic dental decompensation (T2), post-surgery (T3), and post-treatment (T4). Linear measurements of anterior joint space (AJS), superior joint space (SJS), posterior joint space (PJS), and the condylar angle were assessed. Results: At baseline (T1), no significant differences were observed in linear measurements between the affected and non-affected sides; however, the condylar angle was significantly smaller on the affected side (69.6° vs. 76.5°, Conclusion: Pre-surgical orthodontic treatment did not significantly affect condylar position, whereas orthognathic surgery induced measurable positional and angular changes. Post-surgical orthodontic finishing revealed divergent remodeling patterns between affected and non-affected condyles. Further studies with larger samples and long-term follow-up are necessary to clarify the clinical implications of these changes.
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