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International Journal of Oral and Maxillofacial Surgery

https://read.qxmd.com/read/38997916/prognostic-factors-and-impact-of-bone-invasion-in-t1-2-size-4%C3%A2-cm-gingival-squamous-cell-carcinoma
#1
JOURNAL ARTICLE
J Hong, H Park, D Kim, H J Kim, I-H Cha, W Nam
The aim of this study was to characterize the clinicopathological features and prognostic factors of T1/2 size (<4 cm) gingival squamous cell carcinoma (SCC) and to verify the impact of bone invasion. This was a single-centre, retrospective cohort study involving 206 patients with gingival SCC (maxilla or mandible), treated between 2000 and 2020. The patients were divided into three subgroups based on tumour size and bone invasion. The 5-year overall survival (OS) and disease-free survival (DFS) were 80...
July 11, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38981745/prognostic-prediction-model-for-salivary-gland-carcinoma-based-on-machine-learning
#2
JOURNAL ARTICLE
W Du, M Jia, J Li, M Gao, W Zhang, Y Yu, H Wang, X Peng
Although rare overall, salivary gland carcinomas (SGCs) are among the most common oral and maxillofacial malignancies. The aim of this study was to develop a machine learning-based model to predict the survival of patients with SGC. Patients in whom SGC was confirmed by histological testing and who underwent primary extirpation at the authors' institution between 1963 and 2014 were identified. Demographic and clinicopathological data with complete follow-up information were collected for analysis. Feature selection methods were used to determine the correlation between prognosis-related factors and survival in the collected patient data...
July 8, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38969534/the-role-of-petra-mri-sequences-in-the-diagnosis-of-chondromatosis-of-the-temporomandibular-joint-with-erosion-of-the-glenoid-fossa
#3
JOURNAL ARTICLE
F Spallaccia, S De Tomaso, A Picotti, V Vellone
Synovial chondromatosis is a benign condition characterised by the presence of small cartilaginous nodules in the joint; its aetiology is unknown. Only a few cases of temporomandibular chondromatosis are described in the literature. In some cases, the synovial chondromatosis can erode the adjacent bone structures, such as the glenoid fossa, middle cranial fossa, and internal carotid canal. In these cases, besides MRI, the gold standard to verify the erosion of the glenoid fossa is a computed tomography scan...
July 4, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38964993/superficial-musculoaponeurotic-system-interpositional-graft-after-temporomandibular-joint-discectomy
#4
JOURNAL ARTICLE
S Bueno, R Sanovich
Arthroplasty with discectomy is a proven treatment for internal derangement of the temporomandibular joint (TMJ), however there is no consensus on the type of interpositional graft that should be used after the disc is removed. While an ideal graft should be easy to obtain and provide an adequate buffer between the articular surfaces, the authors suggest that it should also minimize donor site morbidity. This Technical Note highlights the technique for harvesting and utilizing the superficial musculoaponeurotic system (SMAS) as an interpositional graft...
July 3, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38955635/changes-in-lateral-standing-posture-following-orthognathic-surgery-a-cohort-study
#5
JOURNAL ARTICLE
F Akhlaghi, Z S Torabi, R Tabrizi
Altering neuromuscular and musculoskeletal relationships also affects standing body posture, particularly in the head and neck areas. This prospective cohort study assessed the effects of orthognathic surgery on head posture in the lateral standing view. Thirty-one patients who underwent single-jaw orthognathic mandibular surgery were included. The patients underwent cephalometric and photographic evaluations of their habitual posture before and 6 months after surgery. The craniovertebral angle and Frankfort angle were determined and measured using MB-Ruler software...
July 1, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38945734/long-term-follow-up-of-corrective-jaw-surgery-including-distraction-osteogenesis-in-32-patients-with-juvenile-idiopathic-arthritis
#6
JOURNAL ARTICLE
H Krarup, T K Pedersen, P Frid, S E Nørholt
Dentofacial deformity following juvenile idiopathic arthritis (JIA) with temporomandibular joint (TMJ) involvement is associated with functional, aesthetic, and psychosocial impairment. Corrective surgical treatment includes combinations of orthognathic surgeries (OS). The aims of this study were to assess orofacial symptoms, functional and aesthetic status, and stability after OS including mandibular distraction osteogenesis (MDO). A prospective study was conducted of 32 patients with JIA of the TMJ and dentofacial deformities who underwent MDO as the only surgery or in combination with bilateral sagittal split osteotomy, Le Fort I, and/or genioplastybetween 2003 and 2018...
June 29, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38926015/performance-of-large-language-models-in-oral-and-maxillofacial-surgery-examinations
#7
JOURNAL ARTICLE
B Quah, C W Yong, C W M Lai, I Islam
This study aimed to determine the accuracy of large language models (LLMs) in answering oral and maxillofacial surgery (OMS) multiple choice questions. A total of 259 questions from the university's question bank were answered by the LLMs (GPT-3.5, GPT-4, Llama 2, Gemini, and Copilot). The scores per category as well as the total score out of 259 were recorded and evaluated, with the passing score set at 50%. The mean overall score amongst all LLMs was 62.5%. GPT-4 performed the best (76.8%, 95% confidence interval (CI) 71...
June 25, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38906770/long-term-skeletal-cephalometric-and-volumetric-changes-in-two-helsinki-bimaxillary-face-transplant-patients
#8
JOURNAL ARTICLE
A A Manninen, A Heliövaara, J Horelli, K Mesimäki, T Wilkman, A J Lindford, P Lassus
Analysis of skeletal, cephalometric, and volumetric changes and occlusion during long-term follow-up was performed for two patients who underwent bimaxillary facial transplantation (FT). The study material consisted of the follow-up data of two bimaxillary composite FT performed in Helsinki University Hospital, one in 2016 and the other in 2018. Serial three-dimensional computed tomography scans obtained during follow-up (6 years for patient 1, 4 years for patient 2) were analyzed. The position of the maxilla remained stable in both patients...
June 20, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38839534/a-novel-portable-augmented-reality-surgical-navigation-system-for-maxillofacial-surgery-technique-and-accuracy-study
#9
JOURNAL ARTICLE
B Li, H Wei, J Yan, X Wang
Surgical navigation, despite its potential benefits, faces challenges in widespread adoption in clinical practice. Possible reasons include the high cost, increased surgery time, attention shifts during surgery, and the mental task of mapping from the monitor to the patient. To address these challenges, a portable, all-in-one surgical navigation system using augmented reality (AR) was developed, and its feasibility and accuracy were investigated. The system achieves AR visualization by capturing a live video stream of the actual surgical field using a visible light camera and merging it with preoperative virtual images...
June 4, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38839533/comprehensive-evaluation-of-advanced-platelet-rich-fibrin-in-common-complications-following-sagittal-split-ramus-osteotomy-a-double-blind-split-mouth-randomized-clinical-trial
#10
JOURNAL ARTICLE
Z Zhu, X Sun, K Chen, M Zhang, G Wu
The sagittal split ramus osteotomy (SSRO) carries potential risks and complications. A double-blind, split-mouth, randomized clinical trial was performed, involving 30 patients undergoing mandibular setback. Advanced platelet-rich fibrin (A-PRF) was applied to one side, and the other side served as a control. The volume of postoperative drainage over 24 h was recorded. At 1, 2, and 5 days, and 3 months postsurgery, nerve recovery was assessed using the two-point discrimination test (TPD), while pain was evaluated using a visual analogue scale (VAS pain)...
June 4, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38834408/accuracy-of-patient-specific-implants-versus-cad-cam-splints-with-the-mandible-first-approach-in-bimaxillary-orthognathic-surgery-for-skeletal-class-ii-malocclusion
#11
JOURNAL ARTICLE
J Yan, B Li, C Zhang, Y Qian, Z Li, X Wang
This retrospective study aimed to compare the accuracy of patient-specific implants (PSI) versus mandible-first computer-aided design and manufacturing (CAD/CAM) splints for maxilla repositioning in orthognathic surgery of skeletal Class II malocclusion patients. The main predictor was the surgical method (PSI vs. splints), with the primary outcome being the discrepancy in maxilla centroid position, and secondary outcomes being translation and orientation discrepancies. A total of 82 patients were enrolled (70 female, 12 male; mean age 25...
June 3, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38834407/spontaneous-regeneration-of-bone-following-mandibular-ramus-bone-harvesting-a-cbct-analysis
#12
JOURNAL ARTICLE
S Askin Ekinci, F Bayram, G Gocmen
The aim of this study was to evaluate healing at the donor site following autogenous block graft harvesting from the mandibular ramus. In this retrospective study, cone beam computed tomography images taken at different time-points were examined, and the volumes of preoperative and postoperative regions of interest were calculated in the software. Images were classified into four groups: 0-3 months, 4-6 months, 7-12 months, and >12 months post-surgery. To characterize the healing process over time, statistical analyses were conducted for both the 70% and 80% healing thresholds...
June 3, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38834406/permanent-lingual-nerve-injury-after-dental-procedures-a-retrospective-study-of-228-patients
#13
JOURNAL ARTICLE
D P Møller-Hansen, L Baad-Hansen, S S Jensen
Lingual nerve injury (LNI) is a rare, serious complication and previous studies include limited numbers of cases. The aim of this retrospective study was to report the neurosensory outcomes for a large patient cohort with permanent LNI and correlate the mechanism of injury (surgical vs non-surgical) to neurosensory characteristics. Demographics, procedural parameters, mandibular third molar (M3) position, surgeon type, neurosensory test results, and symptoms were recorded for 228 patients and analysed. The majority were female (67...
June 3, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38824006/a-new-patient-specific-helical-maxillary-distractor-a-cadaver-test
#14
JOURNAL ARTICLE
J Gateno, S Bartlett, D Kim, A S Xue, K Gu
The primary objective of this cadaver study was to assess the feasibility of a novel custom helical distraction system and a patient-specific antral maxillary distractor. The study involved two fresh cadaver heads and followed a systematic procedure. First, virtual planning was conducted for an asymmetric maxillomandibular advancement. Custom patient-specific hardware was then fabricated to enable sequential mandibular advancement and gradual maxillary distraction. The mandibular lengthening procedures were found to be highly accurate, with only minor deviations from the planned results...
May 31, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38821731/prediction-of-surgery-first-approach-orthognathic-surgery-using-deep-learning-models
#15
JOURNAL ARTICLE
J-S Chang, C-Y Ma, E W-C Ko
The surgery-first approach (SFA) orthognathic surgery can be beneficial due to reduced overall treatment time and earlier profile improvement. The objective of this study was to utilize deep learning to predict the treatment modality of SFA or the orthodontics-first approach (OFA) in orthognathic surgery patients and assess its clinical accuracy. A supervised deep learning model using three convolutional neural networks (CNNs) was trained based on lateral cephalograms and occlusal views of 3D dental model scans from 228 skeletal Class III malocclusion patients (114 treated by SFA and 114 by OFA)...
May 30, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38806315/assessment-of-the-association-between-the-implant-disease-risk-assessment-idra-tool-and-peri-implantitis-a-retrospective-cohort-study-with-up-to-8-years-of-follow-up
#16
JOURNAL ARTICLE
T Rebeiz, L Nasr, A R Kassir, G Menassa, C Chakar
The aim of this study was to evaluate the accuracy of the Implant Disease Risk Assessment (IDRA) tool in predicting the occurrence of peri-implantitis in patients who have received at least one implant, with a follow-up of up to 8 years. The records of patients who received one or more implants in the periodontology or oral surgery department of Saint Joseph University of Beirut between 2014 and 2018 were collected. Parameters related to the IDRA tool were obtained and the risk level calculated. Patients were recalled to assess their peri-implant status...
May 27, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38782663/predicting-optimal-patient-specific-postoperative-facial-landmarks-for-patients-with-craniomaxillofacial-deformities
#17
JOURNAL ARTICLE
J Lee, D Kim, X Xu, T Kuang, J Gateno, P Yan
Orthognathic surgery primarily corrects skeletal anomalies and malocclusion to enhance facial aesthetics, aiming for an improved facial appearance. However, this traditional skeletal-driven approach may result in undesirable residual asymmetry. To address this issue, a soft tissue-driven planning methodology has been proposed. This technique estimates bone movements based on the envisioned optimal facial appearance, thereby enhancing surgical accuracy and effectiveness. This study investigates the initial implementation phase of the soft tissue-driven approach, simulating the patient's ideal appearance by realigning distorted facial landmarks to an ideal state...
May 23, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38777710/oral-lesions-associated-with-imatinib-mesylate-therapy-five-new-cases-and-a-literature-review
#18
REVIEW
Y-J Hwang, H-S Kho
This study aimed to report the collective clinical characteristics of oral side effects associated with imatinib therapy according to age, sex, and clinical condition. A bibliographic review was performed using the PubMed, Web of Science, Scopus, Cochrane Library, and Embase databases. Forty-five cases of oral side effects due to imatinib therapy were identified in the literature. With the addition of five new cases seen at the authors' institution, a total of 50 cases were analysed. Of the five new cases, four with gastrointestinal stromal tumours developed oral lichenoid lesions (OLLs), and one with chronic myeloid leukaemia (CML) developed oral hyperpigmentation (OHP)...
May 21, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38744541/comment-on-clinicopathological-features-and-prognostic-factors-of-salivary-gland-myoepithelial-carcinoma-institutional-experience-of-42-cases
#19
LETTER
M S Iqbal, R Patil, J Kovarik, M Jackson, C Kelly
No abstract text is available yet for this article.
May 14, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38740540/three-dimensional-quantification-of-soft-tissue-changes-and-its-relationship-to-skeletal-changes-after-le-fort-iii-monobloc-and-facial-bipartition-in-syndromic-craniosynostosis
#20
JOURNAL ARTICLE
P Rostamzad, T Abdel-Alim, E B Wolvius, G Roshchupkin, M-L van Veelen, M M Pleumeekers
To determine the effect of midface surgery on soft tissue changes and their relationship to hard tissue changes in patients with syndromic craniosynostosis. A retrospective analysis of patients who had undergone Le Fort III (LFIII), monobloc (MB), or facial bipartition (FB) was conducted. A 3D soft tissue mesh was generated from the preoperative scan and registered to the postoperative scan, after which the advancement was visualised. A total of 68 patients were included: 28 had undergone LFIII, 27 MB, and 13 FB...
May 12, 2024: International Journal of Oral and Maxillofacial Surgery
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