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Journal of Stomatology Oral and Maxillofacial Surgery最新文献

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Facial surgeons and high-intensity conflict scenarios: Let us be ready to face the challenge 面部外科医生与高强度冲突场景:让我们做好准备,迎接挑战。
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101978
Jean-Baptiste Caruhel, Pierre Haen, Tetiana Pavlychuk, Andrii Kopchak, Chloé Bertolus, Roman Hossein Khonsari
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引用次数: 0
A new method to orient a 3-dimensional facial model to natural head position: A preliminary report on accuracy and reproducibility 根据自然头部位置确定三维面部模型方向的新方法:关于准确性和可重复性的初步报告。
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101980
An-an Yin , Yu Dong , Xi Zhang , Bao-qiang Song , Shi-zhu Bai

Objectives

To establish and validate a novel method to orient a 3-dimensional (3D) facial model to natural head position (NHP) in a stereophotogrammetric system using a 2-dimensional frontal full-face photograph of NHP.

Material and Methods

Specific technique procedure was reported for our method, and in vitro model experiment was performed for accuracy test. A preliminary volunteer study was then planned for reproducibility test.

Results

The accuracy on a 3D-printed test model was within 0.15°. Within an observational cohort of 22 dental students, the angular deviations of different maxillofacial regions (e.g., central forehead, left and right zygomatic regions, apex of nose and mental region) were no more than 2° between the 3D NHP models acquired with a shorter time-interval (1 h from baseline) or a longer time-interval (7 days from baseline), which were all considered clinically insignificant. In addition, the angular deviations were significantly larger with a 7d-interval than with a 1h-interval, indicting a decline in 3D NHP reproducibility over short time duration.

Conclusion

The current method may represent a clinically useful protocol for recording and transferring 3D NHP in stereophotogrammetry.

Clinical Relevance

It may provide reliable and meaningful reference information for evaluating craniofacial morphology, and be of clinical use in the diagnosis, treatment and follow-ups of patients with aesthetic or deformed craniofacial problems.
目的:建立并验证一种新方法,利用 NHP 的二维正面全脸照片,在立体摄影测量系统中将三维(3D)面部模型定位到自然头部位置(NHP):报告了我们的方法的具体技术流程,并进行了体外模型实验以测试准确性。然后计划进行初步的志愿者研究,以进行可重复性测试:结果:三维打印测试模型的精确度在 0.15°以内。在一个由 22 名牙科学生组成的观察队列中,不同颌面部区域(如前额中央、左右颧骨区域、鼻尖和精神区域)的角度偏差在较短时间间隔(自基线起 1 小时)或较长时间间隔(自基线起 7 天)采集的 3D NHP 模型之间不超过 2°,这在临床上都是不显著的。此外,7 天时间间隔的角度偏差明显大于 1 小时时间间隔的角度偏差,这表明在短时间内 3D NHP 的可重复性有所下降:结论:目前的方法可能是立体摄影测量中记录和传输三维 NHP 的一种临床实用方案:临床意义:该方法可为评估颅面形态提供可靠、有意义的参考信息,并可用于颅面美学或畸形患者的诊断、治疗和随访。
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引用次数: 0
Stem cell therapy: A new path in tackling oral cancer 干细胞疗法:应对口腔癌的新途径。
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101967
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引用次数: 0
MRE11 as a plausible biomarker and prognostic bioindicator for head and neck squamous cell carcinoma MRE11 作为头颈部鳞状细胞癌的可信生物标记和预后生物指标。
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101970
Zhengrui Li , Yuhan Zhang , Xufeng Huang , Divya Gopinath

Objective

Head and Neck Squamous Cell Carcinoma (HNSCC) ranks as the sixth most prevalent form of cancer worldwide. MRE11 protein contains multiple domains that play a role in the initiation of DNA repair. This study aimed to elucidate the expression and prognostic significance of MRE11 in HNSCC.

Material and methods

The Cancer Genome Atlas (TCGA-HNSCC) dataset comprising 520 HNSCC tissues and 44 normal tissues was initially used to evaluate the association between MRE11 expression and clinicopathologic characteristics. Kaplan–Meier plot was utilized for survival analysis. MRE11-immune cell interaction was analyzed using Tumor Immune Estimation Resource (TIMER) database. Further, Insilco methods were used to explore the protein network and its association with other pathways. Quantitative reverse transcription PCR (RT-qPCR) was used to validate the MRE11 mRNA expression in oral squamous cell carcinoma (OSCC) tissues in patient samples.

Results

MRE11 expression was upregulated in HNSCC, and the expression significantly varied across different clinical stages, pathological grades, and initial treatment outcomes. Further, high MRE11 expression is associated with poorer survival outcomes. MRE11 overexpression is also linked to the activation of the HIPPO signaling pathway, the mTOR signaling pathway, and the MYC/MYCN signaling pathway.

Conclusion

MRE 11 can be considered a novel prognostic biomarker for HNSCC, which can be leveraged for promising treatment outcomes. This research highlights MRE11 as a novel molecular biomarker for HNSCC and offers a new direction for its treatment, explicitly targeting MRE11 and its network for therapeutic intervention.
目的:头颈部鳞状细胞癌(HNSCC)在全球癌症发病率中排名第六。MRE11 蛋白含有多个结构域,在启动 DNA 修复中发挥作用。本研究旨在阐明MRE11在HNSCC中的表达和预后意义:研究首先使用了由520个HNSCC组织和44个正常组织组成的癌症基因组图谱(TCGA-HNSCC)数据集来评估MRE11表达与临床病理特征之间的关联。采用 Kaplan-Meier 图进行生存分析。利用肿瘤免疫估算资源(TIMER)数据库分析了 MRE11 与免疫细胞的相互作用。此外,还利用 Insilco 方法探索了蛋白质网络及其与其他通路的关联。利用定量反转录 PCR(RT-qPCR)验证了患者样本中口腔鳞状细胞癌(OSCC)组织中 MRE11 mRNA 的表达:结果:MRE11在HNSCC中表达上调,其表达在不同临床分期、病理分级和初始治疗结果中存在显著差异。此外,MRE11的高表达与较差的生存结果相关。MRE11的过表达还与HIPPO信号通路、mTOR信号通路和MYC/MYCN信号通路的激活有关:结论:MRE11可被视为HNSCC的一种新型预后生物标志物,利用它可获得良好的治疗效果。这项研究强调了MRE11是HNSCC的新型分子生物标记物,并为其治疗提供了新的方向,即明确针对MRE11及其网络进行治疗干预。
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引用次数: 0
A distraction assembly system with fully-customized fixation plate unit and factory-manufactured distraction unit: Overview and accuracy validation for mandibular distraction osteogenesis 带有完全定制的固定板单元和工厂制造的牵引单元的牵引装配系统:下颌骨牵引成骨的概述和精度验证
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101992
Sang-Hoon Kang , Sang-Hwy Lee
A distraction assembly system (DAS), consisting of a distractor of fully individualized fixation plate unit and factory-engineered distraction unit, was recently developed to enhance the accuracy, stability, and workability of distraction osteogenesis (DO). We here wanted to evaluate the accuracy of DAS for mandibular DO, focusing on the consequences of the distractor design and manufacturing method.
The bar-type distractor unit showed smaller discrepancies than did the cylinder-type one, both units showing far fewer discrepancies than those of a conventional distractor. And there were no significant differences in morphological accuracy between the plates produced by milling and 3D printing. These accuracies feature the promising application in clinical setting, and further work is anticipated to refine DAS for successful computer-aided DO.
为了提高牵引成骨术(DO)的准确性、稳定性和可操作性,最近开发了一种牵引装配系统(DAS),由完全个性化的固定板单元牵引器和工厂设计的牵引单元组成。在此,我们希望评估 DAS 用于下颌骨牵引成骨的准确性,重点关注牵引器设计和制造方法的后果。条形牵引器单元显示的偏差比圆柱形的小,两种单元显示的偏差都比传统牵引器小得多。通过铣削和三维打印技术生产的平板在形态精度上没有明显差异。这些精确度表明,DAS 在临床上的应用前景广阔,预计今后还将有更多的工作来完善 DAS,以成功实现计算机辅助DO。
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引用次数: 0
Assessment of bone density in edentulous maxillae using cone beam computed tomography (CBCT) 使用锥形束计算机断层扫描(CBCT)评估无牙上颌骨的骨密度。
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101825

Introduction

In edentulous maxillae, the anterior maxilla is the region of interest for implant placement due to posterior bone resorption and sinus pneumatization. This study aimed to assess variations in bone density in different regions of the edentulous maxilla according to sex and age, using cone beam computed tomography (CBCT).

Materials and methods

69 CBCT from edentulous maxilla were analyzed. Six virtual implants were planned between the maxillary sinuses at incisor, canine, and premolar sites. Bone densities (in Hounsfield units HU) were recorded at six points on the neck, body, and apex of the buccal and lingual areas of each virtual implant. We used the two-sample t-test to compare male and female bone densities, and the Spearman correlation coefficient to analyze the correlation between mean bone density and age. One-way analysis of variance with post hoc pairwise t-tests was used to analyze the differences in density between three sites of the edentulous maxilla and the differences in density between three parts of the implant. The significance level was set at 5%.

Results

Mean bone density in males was significantly higher than in females. There was a significant correlation between mean bone density and age in females. Incisor sites showed the highest mean bone density, followed by canine and premolar sites. There was a significant decline in bone density from the neck to the apex.

Conclusions

Bone density varied within and among edentulous maxillae. Bone density of the edentulous maxilla seemed to be influenced by age in women and by sex.
简介:在无牙上颌骨中,由于后部骨吸收和上颌窦气化,上颌骨前部是种植体植入的重点区域。本研究旨在使用锥形束计算机断层扫描(CBCT),根据性别和年龄评估无牙上颌骨不同区域的骨密度变化。在门牙、犬齿和前磨牙部位的上颌窦之间规划了六个虚拟种植体。在每个虚拟种植体的颊舌区域的颈部、体部和顶点的六个点记录了骨密度(单位为 HU)。我们使用双样本 t 检验来比较男性和女性的骨密度,并使用斯皮尔曼相关系数来分析平均骨密度与年龄之间的相关性。采用单因素方差分析和事后配对 t 检验来分析无牙上颌骨三个部位之间的密度差异以及种植体三个部位之间的密度差异。显著性水平设定为 5%:男性的平均骨密度明显高于女性。女性的平均骨密度与年龄有明显的相关性。切牙部位的平均骨密度最高,其次是犬齿和前磨牙部位。从颈部到顶点,骨密度明显下降:结论:无牙上颌骨内部和之间的骨密度存在差异。无牙上颌骨的骨密度似乎受女性年龄和性别的影响。
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引用次数: 0
3D evaluation of cranial and dentofacial morphological differences between individuals with mouth breathing and nasal breathing 对口呼吸者和鼻呼吸者颅骨和颌面形态差异的 3d 评估。
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101854

Introduction

The present study aimed to identify the morphological differences in cranial and dentofacial structures between individuals with mouth-breathing and nasal-breathing.

Materials and Methods

The study included 120 individuals, 60 each in the nasal breathing (NB) and mouth breathing (MB) groups. 3D stereophotogrammetry, lateral cephalometric radiographs, and intraoral examination results were recorded by the researchers to determine the morphological differences between the MB group and the NB group. The study utilized cephalometric radiographs for 2D hard tissue measurements and 3D stereophotogrammetric records for linear and angular measurements.

Results

Statistically significant differences were found between the NB and MB groups’ SNB angles (respectively, 79.3 ± 3.04, 76.6 ± 4.24, and p = 0.002). Also, the NB group's SN-GoGn angle was lower than the MB group's (respectively, 31.5 ± 5.12, 36.0 ± 5.55, and p = 0.002). Considering the Jarabak ratio, the NB group's Jarabak ratio was higher than the MB group (respectively,65.7 ± 4.16, 62.6 ± 4.10, and p = 0.014). In 3D stereophotogrammetry measurements, increased Li-Me’ was detected in the MB group than in NB group.

Conclusion

Mouth breathing results in significant morphological differences that affect the development of both soft tissues and skeletal structures. Orthodontists utilize these characteristic features observed in mouth-breathing anomalies for early diagnosis and consider referring their patients for medical treatment of mouth breathing.
导言本研究旨在确定口呼吸者和鼻呼吸者在头颅和颌面部结构方面的形态差异:研究对象包括 120 人,鼻呼吸(NB)组和口呼吸(MB)组各 60 人。研究人员记录了三维立体摄影测量、头颅侧位X光片和口腔内检查结果,以确定 MB 组和 NB 组之间的形态差异。研究利用头颅X光片进行二维硬组织测量,利用三维立体摄影测量记录进行线性和角度测量:结果:NB 组和 MB 组的 SNB 角度差异有统计学意义(分别为 79.3±3.04、76.6±4.24,P=0.002)。此外,NB 组的 SN-GoGn 角也低于 MB 组(分别为 31.5±5.12、36.0±5.55,P=0.002)。从Jarabak比值来看,NB组的Jarabak比值高于MB组(分别为65.7±4.16,62.6±4.10,P=0.014)。在三维立体摄影测量中,MB 组的 Li-Me' 比 NB 组增加:结论:口呼吸会导致明显的形态差异,影响软组织和骨骼结构的发育。正畸医生可利用在口呼吸异常中观察到的这些特征进行早期诊断,并考虑让患者接受口呼吸医学治疗。
{"title":"3D evaluation of cranial and dentofacial morphological differences between individuals with mouth breathing and nasal breathing","authors":"","doi":"10.1016/j.jormas.2024.101854","DOIUrl":"10.1016/j.jormas.2024.101854","url":null,"abstract":"<div><h3>Introduction</h3><div>The present study aimed to identify the morphological differences in cranial and dentofacial structures between individuals with mouth-breathing and nasal-breathing.</div></div><div><h3>Materials and Methods</h3><div><span>The study included 120 individuals, 60 each in the nasal breathing<span> (NB) and mouth breathing (MB) groups. 3D stereophotogrammetry, lateral </span></span>cephalometric radiographs, and intraoral examination results were recorded by the researchers to determine the morphological differences between the MB group and the NB group. The study utilized cephalometric radiographs for 2D hard tissue measurements and 3D stereophotogrammetric records for linear and angular measurements.</div></div><div><h3>Results</h3><div>Statistically significant differences were found between the NB and MB groups’ SNB angles (respectively, 79.3 ± 3.04, 76.6 ± 4.24, and <em>p</em> <em>=</em> <em>0.002</em>). Also, the NB group's SN-GoGn angle was lower than the MB group's (respectively, 31.5 ± 5.12, 36.0 ± 5.55, and <em>p</em> <em>=</em> <em>0.002</em>). Considering the Jarabak ratio, the NB group's Jarabak ratio was higher than the MB group (respectively,65.7 ± 4.16, 62.6 ± 4.10, and <em>p</em> <em>=</em> <em>0.014</em>). In 3D stereophotogrammetry measurements, increased Li-Me’ was detected in the MB group than in NB group.</div></div><div><h3>Conclusion</h3><div>Mouth breathing results in significant morphological differences that affect the development of both soft tissues and skeletal structures. Orthodontists utilize these characteristic features observed in mouth-breathing anomalies for early diagnosis and consider referring their patients for medical treatment of mouth breathing.</div></div>","PeriodicalId":55993,"journal":{"name":"Journal of Stomatology Oral and Maxillofacial Surgery","volume":"125 5","pages":"Article 101854"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140332315","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
Haptic devices as an educational approach for oral and maxillofacial surgical procedures 将触觉设备作为口腔颌面外科手术的教学方法。
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101856

Objective

Developing the skills of a proficient surgeon with a deep understanding of force requires extensive training and repetitive practice. Traditionally, dental students and surgical trainees observed and participated in procedures using models, animals, or cadavers under expert supervision before performing the procedures independently. To address these challenges, interactive simulators with visuo-haptic features have been introduced in surgical training, providing visual and tactile feedback that replicates the sense of touch through applied forces, vibrations, or motions.

Study Design

Two independent reviewers employed a specific search strategy to explore online databases such as PubMed, Scopus, and Web of Science (WoS). This strategy included keywords such as "haptic device," "education," "oral surgery," "surgery," and "maxillofacial surgery." All types of studies related to maxillofacial surgery, except for case reports, reviews, and eBooks, were considered for inclusion.

Results

A total of 22 articles meeting the screening criteria were identified. The use of haptic devices for training dental students in oral surgery, anesthesia, as well as oral and maxillofacial trainees and surgeons in various surgical procedures, was evaluated.

Conclusion

Incorporating tactile devices into the training of residents and maxillofacial surgeons offers numerous advantages, including improved technical skills and enhanced patient safety.
目的培养一名熟练的外科医生对力的深刻理解,需要大量的训练和反复的练习。传统上,牙科学生和外科受训人员都是在专家指导下使用模型、动物或尸体观察和参与手术,然后再独立完成手术。为了应对这些挑战,人们在外科培训中引入了具有视觉触觉功能的交互式模拟器,通过施加力、振动或运动来提供视觉和触觉反馈,从而复制触觉。研究设计两位独立审稿人采用了特定的搜索策略来探索在线数据库,如 PubMed、Scopus 和 Web of Science (WoS)。该策略包括 "触觉设备"、"教育"、"口腔外科"、"外科 "和 "颌面外科 "等关键词。除病例报告、综述和电子书外,所有与颌面外科相关的研究类型都被考虑纳入其中。结论将触觉设备纳入住院医师和颌面外科医生的培训中具有诸多优势,包括提高技术技能和加强患者安全。
{"title":"Haptic devices as an educational approach for oral and maxillofacial surgical procedures","authors":"","doi":"10.1016/j.jormas.2024.101856","DOIUrl":"10.1016/j.jormas.2024.101856","url":null,"abstract":"<div><h3>Objective</h3><div>Developing the skills of a proficient surgeon with a deep understanding of force requires extensive training and repetitive practice. Traditionally, dental students and surgical trainees observed and participated in procedures using models, animals, or cadavers under expert supervision before performing the procedures independently. To address these challenges, interactive simulators with visuo-haptic features have been introduced in surgical training, providing visual and tactile feedback that replicates the sense of touch through applied forces, vibrations, or motions.</div></div><div><h3>Study Design</h3><div>Two independent reviewers employed a specific search strategy to explore online databases such as PubMed, Scopus, and Web of Science (WoS). This strategy included keywords such as \"haptic device,\" \"education,\" \"oral surgery,\" \"surgery,\" and \"maxillofacial surgery.\" All types of studies related to maxillofacial surgery, except for case reports, reviews, and eBooks, were considered for inclusion.</div></div><div><h3>Results</h3><div>A total of 22 articles meeting the screening criteria were identified. The use of haptic devices for training dental students in oral surgery, anesthesia, as well as oral and maxillofacial trainees and surgeons in various surgical procedures, was evaluated.</div></div><div><h3>Conclusion</h3><div>Incorporating tactile devices into the training of residents and maxillofacial surgeons<span> offers numerous advantages, including improved technical skills and enhanced patient safety.</span></div></div>","PeriodicalId":55993,"journal":{"name":"Journal of Stomatology Oral and Maxillofacial Surgery","volume":"125 5","pages":"Article 101856"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140404885","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
In response to: “Endoscopic temporalis tendon extension” 回复:"内窥镜颞肌腱延长术"。
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101839
{"title":"In response to: “Endoscopic temporalis tendon extension”","authors":"","doi":"10.1016/j.jormas.2024.101839","DOIUrl":"10.1016/j.jormas.2024.101839","url":null,"abstract":"","PeriodicalId":55993,"journal":{"name":"Journal of Stomatology Oral and Maxillofacial Surgery","volume":"125 5","pages":"Article 101839"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140195200","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
Postoperative facial prediction for mandibular defect based on surface mesh deformation 基于表面网格变形的下颌骨缺损术后面部预测
IF 1.8 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-10-01 DOI: 10.1016/j.jormas.2024.101973
Wen Du , Hao Wang , Chenche Zhao , Zhiming Cui , Jiaqi Li , Wenbo Zhang , Yao Yu , Xin Peng
Objectives: This study aims to introduce a novel predictive model for the post-operative facial contours of patients with mandibular defect, addressing limitations in current methodologies that fail to preserve geometric features and lack interpretability.
Methods: Utilizing surface mesh theory and deep learning, our model diverges from traditional point cloud approaches by employing surface triangular mesh grids. We extract latent variables using a Mesh Convolutional Restricted Boltzmann Machines (MCRBM) model to generate a three-dimensional deformation field, aiming to enhance geometric information preservation and interpretability.
Results: Experimental evaluations of our model demonstrate a prediction accuracy of 91.2 %, which represents a significant improvement over traditional machine learning-based methods.
Conclusions: The proposed model offers a promising new tool for pre-operative planning in oral and maxillofacial surgery. It significantly enhances the accuracy of post-operative facial contour predictions for mandibular defect reconstructions, providing substantial advancements over previous approaches.
目的:本研究旨在为下颌骨缺损患者的术后面部轮廓建立一个新的预测模型:本研究旨在为下颌骨缺损患者术后面部轮廓引入一个新的预测模型,解决当前方法无法保留几何特征和缺乏可解释性的局限性:利用曲面网格理论和深度学习,我们的模型采用曲面三角形网格,与传统的点云方法有所不同。我们使用网格卷积限制玻尔兹曼机(MCRBM)模型提取潜变量,生成三维变形场,旨在增强几何信息的保存和可解释性:结果:对我们的模型进行的实验评估表明,预测准确率达到 91.2%,与传统的基于机器学习的方法相比有了显著提高:结论:所提出的模型为口腔颌面外科的术前规划提供了一种前景广阔的新工具。结论:所提出的模型为口腔颌面外科的术前规划提供了一种很有前途的新工具,它大大提高了下颌缺损重建术后面部轮廓预测的准确性,比以前的方法有了很大进步。
{"title":"Postoperative facial prediction for mandibular defect based on surface mesh deformation","authors":"Wen Du ,&nbsp;Hao Wang ,&nbsp;Chenche Zhao ,&nbsp;Zhiming Cui ,&nbsp;Jiaqi Li ,&nbsp;Wenbo Zhang ,&nbsp;Yao Yu ,&nbsp;Xin Peng","doi":"10.1016/j.jormas.2024.101973","DOIUrl":"10.1016/j.jormas.2024.101973","url":null,"abstract":"<div><div><em>Objectives:</em> This study aims to introduce a novel predictive model for the post-operative facial contours of patients with mandibular defect, addressing limitations in current methodologies that fail to preserve geometric features and lack interpretability.</div><div><em>Methods:</em> Utilizing surface mesh theory and deep learning, our model diverges from traditional point cloud approaches by employing surface triangular mesh grids. We extract latent variables using a Mesh Convolutional Restricted Boltzmann Machines (MCRBM) model to generate a three-dimensional deformation field, aiming to enhance geometric information preservation and interpretability.</div><div><em>Results:</em> Experimental evaluations of our model demonstrate a prediction accuracy of 91.2 %, which represents a significant improvement over traditional machine learning-based methods.</div><div><em>Conclusions:</em> The proposed model offers a promising new tool for pre-operative planning in oral and maxillofacial surgery. It significantly enhances the accuracy of post-operative facial contour predictions for mandibular defect reconstructions, providing substantial advancements over previous approaches.</div></div>","PeriodicalId":55993,"journal":{"name":"Journal of Stomatology Oral and Maxillofacial Surgery","volume":"125 5","pages":"Article 101973"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141876779","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
期刊
Journal of Stomatology Oral and Maxillofacial Surgery
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