ArticleAesthetic plastic surgery2026
Impact of Preoperative Condylar Volume on Postoperative Displacement in Asymmetric Mandibular Setback Surgery: A Retrospective Cohort Study.
Article in Aesthetic plastic surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPredicting postoperative condylar displacement remains a significant challenge in bilateral sagittal split ramus osteotomy (BSSO). The influence of preoperative condylar volume on such displacements is not well understood. This study aims to investigate the association between preoperative condylar and ramal volumetric parameters and postoperative condylar displacement following BSSO.
methodsWe conducted a single-center, retrospective cohort study of patients with skeletal Class III malocclusion who underwent BSSO between January 2018 and December 2023. The primary predictor variables were the volumetric parameters of the mandibular condyle and ramus, while the primary outcome was condylar displacement, quantified using cone-beam computed tomography (CBCT) scans at three time points: T0 (preoperative), T1 (immediate postoperative) and T2 (≥ 6 months postoperative). Covariates included age, sex and the magnitude of mandibular asymmetry.
resultsThe study cohort comprised 37 subjects: 17 in the symmetric group (SG, mean age: 24.5 ± 6.3 years, 47.1% female) and 20 in the asymmetric group (AG, mean age: 27.4 ± 6.7 years, 55.0% female). No statistically significant differences in intraoperative or postoperative condylar movements were observed between the groups. Key correlations identified included a negative association between ramus volume and transverse displacement during surgical correction in AG (r = - 0.345, P = 0.029), as well as a negative correlation with roll rotation in SG (r = - 0.340, P = 0.049). Postoperatively, in the AG, larger condylar volume was associated with reduced vertical translation (r = - 0.381, P = 0.015), and a higher condyle-ramus index (CRI) was associated with less roll rotation (r = - 0.406, P = 0.009). No significant correlations were identified in SG during the postoperative phase.
conclusionsThis study identified an association between preoperative condylar/ramus volume and postoperative displacement patterns in asymmetric mandibular setback surgery, involving both translational and rotational components. However, the correlations observed were weak-to-moderate, indicating that volumetric parameters alone are not sufficient for reliable prediction at individual patient level. Further research employing larger, prospective cohorts is needed to validate these associations and to investigate whether specific anatomical subunits of the condyle demonstrate stronger correlations with postoperative stability. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of contents or the online Instructions to Authors www.springer.com/00266 .
Indexed as
Identifiers
42754700What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.