Does orthognathic surgery affect mandibular condyle position? A retrospective study.
Bicortical screws
Condylar sag
Miniplates
Orthognathic surgery
Temporomandibular joint
Journal
Oral and maxillofacial surgery
ISSN: 1865-1569
Titre abrégé: Oral Maxillofac Surg
Pays: Germany
ID NLM: 101319632
Informations de publication
Date de publication:
23 Sep 2023
23 Sep 2023
Historique:
received:
08
08
2023
accepted:
16
09
2023
medline:
23
9
2023
pubmed:
23
9
2023
entrez:
22
9
2023
Statut:
aheadofprint
Résumé
The aim of this study is to analyze mandibular condyle position changes after bilateral sagittal split osteotomy (BSSO) and bimaxillary orthognathic surgery in patients operated at a single department by two surgeons in 2013-2022. Compared were groups of mandibular advancement vs setback and bimaxillary vs BSSO. Ninety-nine subjects were included. Inclusion criteria were patients who underwent one of the BSSO or bimaxillary surgery and had CT scans performed before and after surgery. Preoperative CT scans were performed 1 day before surgery and postoperative CT scans 6-12 months afterwards. Changes in mandibular condyle position were measured in axial and sagittal planes. CT condylar position measurements indicated significant postoperative changes in AB angle bilaterally (p = < 0.001). In mandibular advancement and setback comparison, values were significantly lower in ABL angle values in the setback group (p = 0.011326) and significantly higher in FDR in the advancement group (p = 0.005795). There were no statistically significant changes found in BSSO and bimaxillary group comparison. Within the limitations of this study, it can be concluded that orthognathic surgery does have a moderate effect on position of the condyles, especially condylar rotation in transversal axis.
Identifiants
pubmed: 37740127
doi: 10.1007/s10006-023-01181-3
pii: 10.1007/s10006-023-01181-3
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2023. The Author(s).
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