International journal of oral and maxillofacial surgery最新文献

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Indications and limitations of CAD/CAM splints in Le Fort I osteotomy CAD/CAM夹板在Le Fort I型截骨术中的适应症和局限性。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-11-01 Epub Date: 2025-04-22 DOI: 10.1016/j.ijom.2025.04.007
S. Yamamoto , R. Iwadate , K. Maeda , N. Taniike
{"title":"Indications and limitations of CAD/CAM splints in Le Fort I osteotomy","authors":"S. Yamamoto ,&nbsp;R. Iwadate ,&nbsp;K. Maeda ,&nbsp;N. Taniike","doi":"10.1016/j.ijom.2025.04.007","DOIUrl":"10.1016/j.ijom.2025.04.007","url":null,"abstract":"<div><div><span>The surgical outcome of planned Le Fort I osteotomy<span><span> (LFI) is important for successful orthognathic surgery. The aim of this study was to evaluate the accuracy of LFI using a CAD/CAM intermediate splint by performing a three-dimensional (3D) comparison of the planned and postoperative maxillary positions. This retrospective study evaluated 31 patients who underwent LFI with a CAD/CAM intermediate splint. The patients were classified into three skeletal </span>malocclusion<span> types: Class III, Class II, and facial asymmetry. Five maxillary reference points and two axes were measured using computed tomography<span> obtained pre-surgery and at 4 days post-surgery and on the preoperative virtual operation 3D images. The ‘movement by simulation’ and ‘deviation from simulation’ of the maxilla were analysed by surface superimposition of the virtual LFI osteotomy segments. The deviation from simulation of Class II in the anteroposterior direction, ranging from 1.11 ± 1.05 mm (at PNS) to 3.24 ± 1.09 mm (at U1) (mean ± standard deviation values for the reference points), was significantly more forwards than that of Class III (</span></span></span></span><em>P</em> &lt; 0.001). A detailed 3D study of the accuracy of LFI using CAD/CAM splints revealed high accuracy and good indication for Class III, but low accuracy, with deviation that exceeded the clinically acceptable range, in Class II and facial asymmetry.</div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 11","pages":"Pages 1088-1097"},"PeriodicalIF":2.7,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144065484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of platelet-rich fibrin on outcomes following mandibular third molar removal: a randomized controlled clinical trial 富血小板纤维蛋白对下颌第三磨牙拔除后预后的影响:一项随机对照临床试验。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-11-01 Epub Date: 2025-06-13 DOI: 10.1016/j.ijom.2025.06.007
B. Öhrnell Malekzadeh , L.-O. Öhrnell , G. Widmark , R.M. Beigi , C.-J. Ivanoff
{"title":"Effects of platelet-rich fibrin on outcomes following mandibular third molar removal: a randomized controlled clinical trial","authors":"B. Öhrnell Malekzadeh ,&nbsp;L.-O. Öhrnell ,&nbsp;G. Widmark ,&nbsp;R.M. Beigi ,&nbsp;C.-J. Ivanoff","doi":"10.1016/j.ijom.2025.06.007","DOIUrl":"10.1016/j.ijom.2025.06.007","url":null,"abstract":"<div><div>Surgical removal of mandibular third molars is a routine procedure in oral and maxillofacial surgery, often followed by pain, swelling, trismus, and alveolar osteitis (AO), affecting patient comfort and daily function. Platelet-rich fibrin (PRF) is an autologous biomaterial that promotes healing through the gradual release of cytokines and growth factors. This prospective, randomized, controlled, and patient-blinded study investigated whether PRF applied to the extraction socket reduces postoperative symptoms and complications. Ninety patients scheduled for mandibular third molar removal were randomized to receive PRF or no adjunct treatment prior to wound closure. Seventy-five patients completed follow-up and were included in the analysis. Postoperative outcomes including AO, infection, pain, trismus, analgesic use, and sick leave were recorded over 10 days. The incidence of AO was lower in the PRF group (3.0%) compared to the control group (11.9%), although the difference was not statistically significant. PRF treatment significantly reduced postoperative pain during the first six days. These findings suggest that while PRF may not significantly reduce AO incidence, it can contribute to improved patient comfort and recovery by decreasing early postoperative pain.</div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 11","pages":"Pages 1131-1137"},"PeriodicalIF":2.7,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144295545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Splintless maxillomandibular advancement for edentulous sleep apnoea patients: surgical accuracy and efficacy 无牙睡眠呼吸暂停患者无夹板上颌下颌前移手术的准确性和有效性。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-11-01 Epub Date: 2025-04-07 DOI: 10.1016/j.ijom.2025.03.013
J.P.T.F. Ho , N. Zhou , T.C.T. van Riet , C. Klop , R. Schreurs , A.G. Becking , J de Lange
{"title":"Splintless maxillomandibular advancement for edentulous sleep apnoea patients: surgical accuracy and efficacy","authors":"J.P.T.F. Ho ,&nbsp;N. Zhou ,&nbsp;T.C.T. van Riet ,&nbsp;C. Klop ,&nbsp;R. Schreurs ,&nbsp;A.G. Becking ,&nbsp;J de Lange","doi":"10.1016/j.ijom.2025.03.013","DOIUrl":"10.1016/j.ijom.2025.03.013","url":null,"abstract":"<div><div>The primary aim of this study was to assess the accuracy and predictability of a splintless treatment protocol for edentulous patients with moderate to severe obstructive sleep apnoea (OSA) undergoing maxillomandibular advancement (MMA). Ten consecutive edentulous patients treated with MMA were enrolled in this retrospective study. All cases were virtually planned, followed by computer-aided design of individual osteotomy cutting guides and patient-specific implants. For the maxilla, the mean discrepancy between the planned and achieved right to left, posterior to anterior, and cranial to caudal translations was 0.3 ± 0.2 mm, 1.0 ± 0.6 mm, and 0.8 ± 0.6 mm, respectively. There was a mean discrepancy of 0.5° ± 0.5°, 2.5° ± 2.0°, and 0.3° ± 0.4° for roll, pitch, and yaw of the maxilla, respectively. The mean discrepancy of the mandible osteotomy gap was 1.2 ± 1.0 mm on the right side and 0.8 ± 0.5 mm on the left. Surgical success was achieved in nine patients, one of whom met the criteria for surgical cure. On average, the apnoea–hypopnea index was reduced by 72%. The results of this study indicate that the splintless treatment protocol for MMA applied in edentulous OSA patients is highly accurate, predictable, and effective in the treatment of OSA.</div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 11","pages":"Pages 1080-1087"},"PeriodicalIF":2.7,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143813259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Remote access sentinel lymph node biopsy in oral cancer 口腔癌前哨淋巴结远程活检。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-11-01 Epub Date: 2025-04-10 DOI: 10.1016/j.ijom.2025.03.010
S. Koerdt , A. Sofroniou , C. Doll , M. Heiland , K. Kreutzer
{"title":"Remote access sentinel lymph node biopsy in oral cancer","authors":"S. Koerdt ,&nbsp;A. Sofroniou ,&nbsp;C. Doll ,&nbsp;M. Heiland ,&nbsp;K. Kreutzer","doi":"10.1016/j.ijom.2025.03.010","DOIUrl":"10.1016/j.ijom.2025.03.010","url":null,"abstract":"<div><div>Lymph node management in patients with oral squamous cell carcinoma (OSCC) has been subject to surgical de-escalation. Sentinel lymph node biopsy (SLNB), as established for other entities, has emerged as the standard of care for small OSCC. Moreover, remote access surgery in head and neck oncology, using both a retroauricular approach to the neck and robotic techniques, has evolved over the last several years. The combination of SLNB and remote access in selected cases offers minimally invasive neck management without impairment of oncological safety.</div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 11","pages":"Pages 1019-1022"},"PeriodicalIF":2.7,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144003997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beta-tricalcium phosphate patient-specific gap implants in bilateral sagittal split osteotomy: an innovative treatment method to enhance the mandibular border contour. Part 1: concept and workflow 双侧矢状面劈裂截骨术中β -磷酸三钙患者特异性间隙种植体:一种增强下颌边缘轮廓的创新治疗方法。第1部分:概念和工作流。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-11-01 Epub Date: 2025-01-22 DOI: 10.1016/j.ijom.2025.01.004
G.R.J. Swennen , A. Aksu , F. Reinauer , L. Pottel , Y. Weinberg
{"title":"Beta-tricalcium phosphate patient-specific gap implants in bilateral sagittal split osteotomy: an innovative treatment method to enhance the mandibular border contour. Part 1: concept and workflow","authors":"G.R.J. Swennen ,&nbsp;A. Aksu ,&nbsp;F. Reinauer ,&nbsp;L. Pottel ,&nbsp;Y. Weinberg","doi":"10.1016/j.ijom.2025.01.004","DOIUrl":"10.1016/j.ijom.2025.01.004","url":null,"abstract":"<div><div>Antegonial notching can occur after bilateral sagittal split osteotomy<span> (BSSO) and may lead to unpleasant aesthetic outcomes in both young and older patients. This clinical study presents a new concept to potentially overcome this problem and describes the workflow. Beta-tricalcium phosphate patient-specific gap implants (β-TCP gap-PSIs) are biocompatible and resorbable bone grafts that are placed in the space of the osteotomy gap during orthognathic procedures; they are virtually planned and printed in 3D. Between July 9, 2017 and July 31, 2018, 14 patients received bilateral β-TCP gap-PSIs during BSSO procedures. Nine were female (64.3%) and five were male (35.7%); mean age at surgery was 32.4 ± 12.7 years and the mean sagittal advancement gap was 9.4 ± 1.74 mm. The immediate postoperative position of the β-TCP implants, as well as early and long-term complications were evaluated; the clinical follow-up was 5 years. Intraoperative placement of the β-TCP implants was achieved without early complications, and the mandibular border contour was rated as very good or good in 82.1% of sides. Two minor long-term complications occurred, resulting in a total grafting success rate of 92.9%. In conclusion, this initial study (part 1) showed the potential of the β-TCP gap-PSI concept in BSSO procedures to prevent antegonial notching, which is currently underestimated and underreported. However, further extensive quantitative assessment is mandatory and will be presented in part 2.</span></div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 11","pages":"Pages 1071-1079"},"PeriodicalIF":2.7,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143030549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of a third surgical protocol for the treatment of unilateral cleft lip and palate: a multidisciplinary systematic review and meta-analysis 第三种手术方案治疗单侧唇腭裂的比较:多学科系统回顾和荟萃分析。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-11-01 Epub Date: 2025-04-26 DOI: 10.1016/j.ijom.2025.04.008
V.L. van Roey , S.L. Versnel , A. Heliövaara , S. Alaluusua , S.T.H. Tjoa , E.B. Wolvius , A.B. Mink van der Molen , I.M.J. Mathijssen
{"title":"Comparison of a third surgical protocol for the treatment of unilateral cleft lip and palate: a multidisciplinary systematic review and meta-analysis","authors":"V.L. van Roey ,&nbsp;S.L. Versnel ,&nbsp;A. Heliövaara ,&nbsp;S. Alaluusua ,&nbsp;S.T.H. Tjoa ,&nbsp;E.B. Wolvius ,&nbsp;A.B. Mink van der Molen ,&nbsp;I.M.J. Mathijssen","doi":"10.1016/j.ijom.2025.04.008","DOIUrl":"10.1016/j.ijom.2025.04.008","url":null,"abstract":"<div><div>This systematic review and meta-analysis builds upon our previous publication on the outcomes of patients with unilateral cleft lip and palate (UCLP) treated with Oslo protocols (OP; vomerplasty during lip closure vs delayed hard palate closure protocols (DHPCP), comparing the outcomes of these two protocols with those of one-stage palatoplasty protocols (OSPP). A systematic search of the Embase, MEDLINE/PubMed, Web of Science, Cochrane, and Google Scholar databases was conducted until August 2024. In total, 162 articles (156 study groups) were reviewed, including 4040 UCLP patients following OSPP, 1632 following OP, and 791 following DHPCP. The results suggest that intrinsic maxillofacial growth disturbances are common in UCLP patients, regardless of the timing or type of palatal closure. The incidence of velopharyngeal insufficiency was significantly higher in OP (24%) when compared to DHPCP (9%), with OSPP showing an intermediate incidence (14%). However, these findings are of very low certainty due to evident non-reporting bias and limited data. In contrast, OP and OSPP showed lower oronasal fistula (ONF) rates (7% for OP, 10% for OSPP) compared to DHPCP (20%). Altogether, OSPP and OP are favoured over DHPCP due to the lower incidences of ONF, better overall speech outcomes, and fewer primary surgeries.</div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 11","pages":"Pages 1043-1070"},"PeriodicalIF":2.7,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144061285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The autologous free dermal fat graft for midface reshaping in orthognathic surgery 自体游离真皮脂肪移植在正颌手术中面部中整形中的应用
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-10-01 Epub Date: 2025-04-26 DOI: 10.1016/j.ijom.2025.04.006
M. Santagata, F. Chirico, R. Magliulo, G. Tartaro
{"title":"The autologous free dermal fat graft for midface reshaping in orthognathic surgery","authors":"M. Santagata,&nbsp;F. Chirico,&nbsp;R. Magliulo,&nbsp;G. Tartaro","doi":"10.1016/j.ijom.2025.04.006","DOIUrl":"10.1016/j.ijom.2025.04.006","url":null,"abstract":"<div><div>The free dermal fat graft (FDFG) has been described extensively in facial plastic and reconstructive surgery, however there is no description in the literature of the application of the FDFG in orthognathic surgery. The authors describe their surgical approach to achieve tailored and sculpted midface aesthetic improvements in orthofacial surgery, by using an autologous FDFG harvested from a fat-rich and hidden anatomical area. The procedure accomplishes the modern orthognathic surgery purpose of skeletal and soft tissue balance, without unduly lengthening the duration of the surgery or hospitalization, as well as presenting low cost.</div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 10","pages":"Pages 948-955"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144916821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multimodal approaches to postoperative pain management in orthognathic surgery: a comprehensive review 正颌手术术后疼痛管理的多模式方法:全面回顾。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-10-01 Epub Date: 2025-02-18 DOI: 10.1016/j.ijom.2025.02.004
M.V. Joachim , M. Miloro
{"title":"Multimodal approaches to postoperative pain management in orthognathic surgery: a comprehensive review","authors":"M.V. Joachim ,&nbsp;M. Miloro","doi":"10.1016/j.ijom.2025.02.004","DOIUrl":"10.1016/j.ijom.2025.02.004","url":null,"abstract":"<div><div><span><span><span>Effective postoperative pain management in </span>orthognathic surgery is essential for optimizing recovery and patient comfort. This comprehensive review was performed to examine multimodal strategies for managing post-orthognathic surgery pain. A literature search identified 13 studies (with 430 patients); 11 of them were </span>randomized controlled trials. The interventions for pain were categorized into four approaches: cooling therapies, light-based treatments, enhanced recovery protocols, and targeted techniques. A narrative synthesis was performed due to the considerable heterogeneity across the studies. Hilotherapy demonstrated superior pain and swelling reduction compared to conventional cooling methods. Light-based therapies, including low-level laser therapy and photobiomodulation, improved early postoperative pain control and functional recovery. </span>Enhanced Recovery After Surgery<span><span><span> (ERAS) protocols were associated with lower pain scores and opioid requirements. Targeted analgesic approaches, such as ultrasound-guided </span>trigeminal nerve blocks and </span>acupoint stimulation, showed promise for acute pain relief. The findings highlight the importance of combining multiple modalities to optimize pain management while minimizing opioid use. The quality of the evidence varied, with some studies limited by small sample sizes and short follow-up periods. The synthesis of results was structured into an evidence-based recommendations table, suggesting that an individualized multimodal approach may provide the most effective pain control in orthognathic surgery.</span></div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 10","pages":"Pages 914-923"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143451190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Anatomical examination of the relationship between the temporomandibular joint capsule and lateral ligament: a cadaveric study 颞下颌关节囊与外侧韧带关系的解剖研究:尸体研究。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-10-01 Epub Date: 2025-05-16 DOI: 10.1016/j.ijom.2025.04.1142
K. Fukino , M. Obata , H. Fujiwara , N. Kitagawa , K. Akita , J. Iwanaga
{"title":"Anatomical examination of the relationship between the temporomandibular joint capsule and lateral ligament: a cadaveric study","authors":"K. Fukino ,&nbsp;M. Obata ,&nbsp;H. Fujiwara ,&nbsp;N. Kitagawa ,&nbsp;K. Akita ,&nbsp;J. Iwanaga","doi":"10.1016/j.ijom.2025.04.1142","DOIUrl":"10.1016/j.ijom.2025.04.1142","url":null,"abstract":"<div><div>The lateral ligament of the temporomandibular joint<span> (TMJ) has been described as a short and narrow fibrous band attached to the lateral surface of the zygomatic arch and the neck of the condyle to limit joint motion. It is considered a significant contributor to TMJ stabilization. However, the existence of the ligament remains controversial. Therefore, this cadaveric study was performed to investigate the morphology of the lateral ligament and surrounding structures and discuss their contribution to TMJ stabilization. Nine TMJ from six adult cadavers were evaluated; the joints were fixed in 8% formalin<span> and preserved in 30% ethanol. Five joints were examined macroscopically, while four were examined histologically. Macroscopic analysis revealed that the masseter fascia continued to the lateral capsule. No independent fibrous structure was observed at the lateral part of the TMJ in any specimen. Histological analysis revealed that the muscle bundles of the masseter and temporalis were continuous with the capsule inferior to the zygomatic arch. The masseteric fascia was continuous with the capsule on the lateral side of the condyle and extended posteriorly. The study findings suggest that it is the muscle–tendon–fascia–capsule complex that contributes to the dynamic stabilization of the TMJ.</span></span></div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 10","pages":"Pages 970-974"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144096590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Automatic MRI segmentation of masticatory muscles using deep learning enables large-scale muscle parameter analysis 利用深度学习对咀嚼肌进行MRI自动分割,实现了大规模的肌肉参数分析。
IF 2.7 3区 医学
International journal of oral and maxillofacial surgery Pub Date : 2025-10-01 Epub Date: 2025-06-07 DOI: 10.1016/j.ijom.2025.05.008
R.S.A. ten Brink , B.J. Merema , M.E. den Otter , M.L. Jensma , M.J.H. Witjes , J. Kraeima
{"title":"Automatic MRI segmentation of masticatory muscles using deep learning enables large-scale muscle parameter analysis","authors":"R.S.A. ten Brink ,&nbsp;B.J. Merema ,&nbsp;M.E. den Otter ,&nbsp;M.L. Jensma ,&nbsp;M.J.H. Witjes ,&nbsp;J. Kraeima","doi":"10.1016/j.ijom.2025.05.008","DOIUrl":"10.1016/j.ijom.2025.05.008","url":null,"abstract":"<div><div>Mandibular reconstruction to restore mandibular continuity often relies on patient-specific implants and virtual surgical planning, but current implant designs rarely consider individual biomechanical demands, which are critical for preventing complications such as stress shielding, screw loosening, and implant failure. The inclusion of patient-specific masticatory muscle parameters such as cross-sectional area, vectors, and volume could improve implant success, but manual segmentation of these parameters is time-consuming, limiting large-scale analyses. In this study, a deep learning model was trained for automatic segmentation of eight masticatory muscles on MRI images. Forty T1-weighted MRI scans were segmented manually or via pseudo-labelling for training. Training employed 5-fold cross-validation over 1000 epochs per fold and testing was done on 10 manually segmented scans. The model achieved a mean Dice similarity coefficient (DSC) of 0.88, intersection over union (IoU) of 0.79, precision of 0.87, and recall of 0.89, demonstrating high segmentation accuracy. These results indicate the feasibility of large-scale, reproducible analyses of muscle volumes, directions, and estimated forces. By integrating these parameters into implant design and surgical planning, this method offers a step forward in developing personalized surgical strategies that could improve postoperative outcomes in mandibular reconstruction. This brings the field closer to truly individualized patient care.</div></div>","PeriodicalId":14332,"journal":{"name":"International journal of oral and maxillofacial surgery","volume":"54 10","pages":"Pages 956-962"},"PeriodicalIF":2.7,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144251583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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