Objective: Two-jaw surgery corrects jaw deformities by adjusting occlusion and reshaping the jaw. This technique carries a high risk of pharyngolaryngeal injury due to frequent head and neck movements during intraoperative maneuvers and prolonged intubation, although the details remain unclear. This study explored the frequency and causes of postoperative pharyngeal complications following maxillary translocation.
Methodology: Between September 2019 and July 2022, 133 cases of two-jaw surgery (36 males and 97 females; mean age: 26.4 years; age range: 17-55 years) were performed in our dental and oral surgery department. Postoperatively, patients with hoarseness or pharyngeal discomfort were immediately referred to the ear, nose, and throat department to assess the pharyngeal larynx by nasal endoscopy. Patients with and without pharyngeal lesions (such as vocal cord paralysis and laryngeal granulation) were compared.
Results: The mean age, sex ratio, operative time, and blood loss were compared between groups with and without vocal cord paralysis. There was a statistically significant difference between the groups in terms of the sex ratio. No significant differences were found between groups with and without laryngeal granulation.
Conclusions: Vocal fold paralysis and laryngeal granulation were attributed to mechanical irritation of the larynx due to movement of the intubation tube during surgery, and perilaryngeal tissue compression due to hematoma and pharyngolaryngeal edema.
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| http://dx.doi.org/10.7759/cureus.76539 | DOI Listing |
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Pharyngeal Complications Following Two-Jaw Surgery.
Cureus
December 2024
Section of Anesthesiology, Department of Diagnostics and General Care, Fukuoka Dental College, Fukuoka, JPN.
Objective: Two-jaw surgery corrects jaw deformities by adjusting occlusion and reshaping the jaw. This technique carries a high risk of pharyngolaryngeal injury due to frequent head and neck movements during intraoperative maneuvers and prolonged intubation, although the details remain unclear. This study explored the frequency and causes of postoperative pharyngeal complications following maxillary translocation.
View Article and Find Full Text PDFDeep Learning-Based Three-Dimensional Analysis Reveals Distinct Patterns of Condylar Remodelling After Orthognathic Surgery in Skeletal Class III Patients.
Orthod Craniofac Res
January 2025
Department of Health Sciences, School of Dentistry, Magna Graecia University of Catanzaro, Catanzaro, Italy.
Objective: This retrospective study aimed to evaluate morphometric changes in mandibular condyles of patients with skeletal Class III malocclusion following two-jaw orthognathic surgery planned using virtual surgical planning (VSP) and analysed with automated three-dimensional (3D) image analysis based on deep-learning techniques.
Materials And Methods: Pre-operative (T1) and 12-18 months post-operative (T2) Cone-Beam Computed Tomography (CBCT) scans of 17 patients (mean age: 24.8 ± 3.
Pharyngeal Airway Space Changes after Single Mandibular and Two-Jaw Surgery in Patients with Skeletal Class II Malocclusion.
Turk J Orthod
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Ankara University Faculty of Dentistry, Department of Orthodontics, Ankara, Turkey.
Objective: To retrospectively evaluate the effects of single mandibular advancement (MA) and two-jaw surgery (2J-S) on the pharyngeal airway space (PAS) and hyoid position for the correction of skeletal Class II malocclusion.
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Appraising mandibular prognathism in class III malocclusion following orthognathic surgery: Patient-reported and cephalometry-based outcomes.
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Department of Plastic and Reconstructive Surgery and Craniofacial Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan. Electronic address:
Patients with class III malocclusion often exhibit mandibular prognathism and complain of "prognathic appearance". The overall positive effects of orthognathic surgery on facial appearance have been demonstrated using patient-reported outcome measures (PROMs), but studies investigating the correlation between subjective PROMs results and objective measurements of imaging studies are sparse in the literature. This study recruited consecutive patients with skeletal class III malocclusion who underwent two-jaw orthognathic surgery between January 2016 and January 2021.
View Article and Find Full Text PDFTreatment outcome and long-term stability of orthognathic surgery for facial asymmetry: A systematic review and meta-analysis.
Korean J Orthod
March 2024
Department of Oral and Maxillofacial Surgery, Korea University Anam Hospital, Seoul, Korea.
Article Synopsis
- - The systematic review aimed to analyze the treatment outcomes of orthognathic surgery for correcting facial asymmetry, focusing on aspects like tissue balance, postoperative stability, and patients' quality of life (QoL).
- - A meta-analysis of 49 studies revealed significant improvements in both hard and soft tissue symmetry, while also noting variations in temporomandibular disorders (TMD) depending on surgical techniques used.
- - While the findings indicate positive effects on skeletal and soft tissue improvements, relief from TMD symptoms, and better QoL post-surgery, many studies had low certainty and high variability in results.
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