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Review of the Literature on the Current State of Periosteum-Mediated Craniofacial Bone Regeneration 骨膜介导颅面骨再生的文献综述
Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-11-09 DOI: 10.1177/19433875231214068
Eyituoyo Okoturo
Study Design This is an article review on the current state of periosteum-mediated bone regeneration (PMBR). It is a known mandibular reconstruction option in children, and though poorly understood and unpredictable, the concerns of developmental changes to donor and recipient tissues shared by other treatment options are nonexistent. The definitive role of periosteum during bone regeneration remains largely unknown. Objective The objective is to review the literature on the clinical and molecular mechanism evidence of this event. Methods Our search methodology was modeled after the PRISMA (Preferred Reporting Items for Systematic Review and Meta-Analysis) guidelines. Search strategies were categorized into search 1 for clinical evidence of mandibular regeneration and search 2 for gene expression review for craniofacial regeneration. The quality assessment of each publication was undertaken, and inclusion criteria comprise mandibular continuity defect for search 1 and use of gene expression assay propriety kit for search 2. Results 33 studies were selected for search 1 while four studies with non-human subjects were selected for search 2. Monitoring of PMBR onset was advised at 2 weeks post-operative, and the gene expression results showed an upregulation of genes responsible for angiogenesis, cytokine activities, and immune–inflammatory response in week 1 and skeletal development and signaling pathways in week 2. Conclusions The results suggest that young periosteum has a higher probability of PMBR than adult periosteum, and skeletal morphogenesis regulated by skeletal developmental genes and pathways may characterize the gene expression patterns of PMBR.
研究设计本文综述了骨膜介导骨再生(PMBR)的研究现状。这是一种已知的儿童下颌骨重建选择,尽管人们对其了解甚少且难以预测,但其他治疗方案对供体和受体组织发育变化的担忧并不存在。骨膜在骨再生中的决定性作用在很大程度上仍然未知。目的回顾有关该事件的临床和分子机制证据的文献。方法我们的搜索方法是按照PRISMA(系统评价和荟萃分析的首选报告项目)指南建模的。搜索策略分为搜索1下颌再生的临床证据和搜索2颅面再生的基因表达综述。对每份出版物进行质量评估,纳入标准包括搜索1的下颌连续性缺陷和使用基因表达测定专用试剂盒搜索2。结果检索1选择了33项研究,检索2选择了4项非人类研究。建议在术后2周监测PMBR的发生,基因表达结果显示,在第1周,负责血管生成、细胞因子活性和免疫炎症反应的基因上调,在第2周,负责骨骼发育和信号通路的基因上调。结论幼龄骨膜发生PMBR的概率高于成年骨膜,骨骼发育基因和途径调控的骨骼形态发生可能是PMBR基因表达模式的特征。
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引用次数: 0
Tomographic Evaluation of Bone Height Between the Mandibular Canal and the Inferior Cortex of the Mandible Related to Bicortical Screws Fixation 双皮质螺钉固定对下颌骨管与下皮质间骨高度的层析评价
Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-11-03 DOI: 10.1177/19433875231213892
Raissa Dias Fares, João Victor Borges Leal, Manuella Zanela da Silva Areas, Hernando Valentim da Rocha, Sylvio Luiz Costa de Moraes, Nicolas Homsi, Jonathan Ribeiro da Silva
Study Design: Original Article. Objective: The surgical treatment of mandibular fractures has undergone several changes over the past 100 years, since the use of wires and intermaxillary fixation, until today where most of the fractures are treated with internal fixation using plates and screws. For the correct use of this hardware, the surgeon must have adequate knowledge of jaw anatomy to prevent complications during the insertion of screws like in fractures of the mandibular body and angle, when the screws of the plate installed in the compression zone can damage the inferior alveolar nerve within the mandibular canal. Methods: To minimize this complication, 66 hemimandibles of adult patients were analyzed in CT scans and manipulated with Dental Slice® software, (BioParts®, Brazil) and measured the shortest distance from the inferior cortex of the mandibular canal to the inferior cortex of the mandibular body during the path of the inferior alveolar nerve, since the mandibular foramen until the mental foramen. Results: The result obtained showed a wide variation of the shortest distance measured (3.52 mm–11.5 mm) with an average of 7.99 mm. Conclusion: The conclusion demonstrated a minimum distance of 3.52 mm below the cortical mandibular canal to the lower border of the mandible and should be considered as a safety margin during the application of fixing the material in the region of the mandibular body.
研究设计:原创文章。目的:下颌骨骨折的手术治疗在过去的100年里经历了几次变化,从使用金属丝和上颌间固定到今天大多数骨折采用钢板和螺钉内固定治疗。为了正确使用该硬件,外科医生必须具备足够的颌骨解剖学知识,以防止在螺钉插入过程中出现并发症,如在下颌骨体和角度骨折时,安装在压迫区的钢板螺钉会损伤下颌管内的下牙槽神经。方法:为了减少这一并发症,对66例成人患者的半下颌骨进行了CT扫描分析,并使用Dental Slice®软件(BioParts®,巴西)进行了操作,测量了下牙槽神经从下颌孔到颏孔的路径中从下颌管下皮层到下颌体下皮层的最短距离。结果:测得的最短距离(3.52 mm - 11.5 mm)差异较大,平均为7.99 mm。结论:下颌骨皮质管下至下颌骨下缘的最小距离为3.52 mm,在下颌骨体区域应用固定材料时可作为安全边界。
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引用次数: 0
Facial Lacerations Related to Recreational Activities: A National 10-Year Evaluation From US Emergency Departments 与娱乐活动相关的面部撕裂伤:来自美国急诊科的全国10年评估
Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-11-02 DOI: 10.1177/19433875231211757
Sacha C. Hauc, Lioba Huelsboemer, Katelyn Lewis, Helia Hosseini, Mica Williams, Jean Carlo Rivera, Michael Alperovich
Study Design This study serves as a nationally representative retrospective cohort of U.S emergency department visits related to facial lacerations caused by recreational activities. Objective The aim of this work is to offer a representative sample of facial laceration and identify the recreational activities associated with the highest risk of such injuries. Methods We conducted aretrospectivestudy of patients reported to the National Electronic Injury Surveillance System (NEISS) which collects information on injuries related to consumer products. Patients were included in our dataset from the time period of 2012 to 2021 if they sustained a facial laceration that was caused by a recreational activity. Results Our findings reveal 2,383,761 facial lacerations between the study period examined. Young male white adults were more likely to sustain a facial laceration related to recreational activities. Injuries related to exercise equipment were also more likely seen in male patients. The most common cause of facial lacerations was associated with bicycles and basketball. Conclusions This study found that young white adults are notably prone to facial lacerations, with recreational activities such as bicycling and basketball accounting for the majority of cases. Understanding these statistics is pivotal for implementing targeted strategies to prevent these injuries and their associated consequences.
研究设计:本研究对美国因娱乐活动引起的面部撕裂伤急诊患者进行了全国代表性的回顾性队列研究。目的本研究的目的是提供面部撕裂伤的代表性样本,并确定与此类损伤最高风险相关的娱乐活动。方法我们对向国家电子伤害监测系统(NEISS)报告的患者进行了一项前瞻性研究,该系统收集了与消费品相关的伤害信息。在2012年至2021年期间,如果患者因娱乐活动导致面部撕裂,则将其纳入我们的数据集。结果在研究期间,我们发现了2,383,761例面部撕裂伤。年轻的白人男性更容易因娱乐活动造成面部撕裂伤。与运动器材相关的伤害也更可能出现在男性患者身上。面部撕裂最常见的原因与自行车和篮球有关。本研究发现,年轻的白人成年人明显容易发生面部撕裂伤,其中以骑自行车和打篮球等娱乐活动为主。了解这些统计数据对于实施有针对性的策略来预防这些伤害及其相关后果至关重要。
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引用次数: 0
Differences Between Patient and Surgeon Perspectives: A Long-Term Follow-Up of 180 Patients With Zygomaticomaxillary Complex Fractures Following Either Conservative or Surgical Treatment 患者与外科医生观点的差异:180例颧骨-腋窝复合骨折患者保守或手术治疗后的长期随访
Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-10-27 DOI: 10.1177/19433875231208463
Samin Rahbin, Ola Sunnergren, Ellen Lindgren, Hatef Darabi, Babak Alinasab
Study Design Retrospective with follow-up. Objective This study described the long-term outcomes of patients who received either conservative or surgical treatment for zygomaticomaxillary complex (ZMC) fractures. It accounted for the perspectives of both patients and surgeons, and explored factors associated with patient satisfaction. Methods Patients with unilateral ZMC fractures 2007–2018 were invited to follow-up clinical examinations and photographic documentation. Patient experiences were recorded using a questionnaire. A review panel assessed computed tomography (CT) scans and photographs. Patient and surgeon perspectives of detecting functional sequelae were assessed, and a correlation matrix was used to evaluate different perspectives of perceiving malar asymmetry. Results The study sample consisted of 180 patients, of which conservative treatment was given to 43 patients and surgical treatment to 137 patients. Median follow-up time was 72.5 months after trauma. Overall satisfaction was 92.8%, with no significant difference between treatment groups. Patients and surgeons showed marked differences in detecting functional sequelae. Predicted malar asymmetry on CT scans did not correlate to findings on photographs or reports by patients. Conclusions A predicted sunken cheek on CT imaging does not necessarily lead to long-term visible asymmetry of the malar region. Surgeons should acknowledge different perspectives when predicting and assessing long-term sequelae of ZMC fractures, and seek consensus on when to perform surgical reconstructions.
研究设计回顾性随访。目的研究颧腋复合体(ZMC)骨折患者采用保守治疗或手术治疗的远期疗效。它考虑了患者和外科医生的观点,并探讨了与患者满意度相关的因素。方法对2007-2018年单侧ZMC骨折患者进行随访临床检查和摄影资料记录。使用问卷记录患者的经历。评审小组评估了计算机断层扫描(CT)扫描和照片。评估患者和外科医生对功能性后遗症的感知角度,并使用相关矩阵来评估感知颧不对称的不同视角。结果本组患者180例,其中保守治疗43例,手术治疗137例。创伤后中位随访时间为72.5个月。总体满意度为92.8%,治疗组间无显著差异。患者和外科医生在功能性后遗症的检测上有显著差异。CT扫描上预测的颧骨不对称与照片上的发现或患者报告无关。结论CT上预测的面颊凹陷并不一定导致长期可见的颧区不对称。在预测和评估ZMC骨折的长期后遗症时,外科医生应该承认不同的观点,并就何时进行手术重建寻求共识。
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引用次数: 0
Narrative Review: Submental Artery Island Pedicled Flap, Indications, Tips, and Pitfalls 叙述性回顾:颏下动脉岛状带蒂皮瓣,适应症,提示和缺陷
Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-10-13 DOI: 10.1177/19433875231208565
Camilo Mosquera, Carlos Ramirez
Study Design Narrative review. Objective To describe the advantages, challenges, and potential indications of the submental artery island flap as a local pedicled flap for head and neck reconstruction. Methods We conducted a comprehensive review of the literature to describe the submental artery island flap's surgical technique, indications, and outcomes. Data sources included peer-reviewed articles, case reports, and clinical studies on using the submental flap in head and neck surgery reconstruction. Results The submental artery island flap, while offering advantages such as minimal donor site morbidity, and good cosmetic outcomes, presents challenges related to the pedicle dissection and patient selection. This flap is particularly suitable for defects in the oral cavity, oropharynx, parotid bed, and midface or neck skin. Simultaneous neck dissection is feasible but should be approached with caution in patients with a history of prior neck surgery. Conclusions The submental artery island flap is a valuable option for selected cases. When performed in the right patient with a correct technique, this flap can reconstruct defects in the oral cavity, oropharynx, parotid bed, and skin of the midface or neck with a minimally visible scar of the donor site.
研究设计:叙述性回顾。目的探讨颏下动脉岛状皮瓣作为局部带蒂皮瓣用于头颈部重建术的优势、挑战和适应证。方法我们对有关颏下动脉岛状皮瓣的手术技术、适应症和结果进行了全面的回顾。数据来源包括同行评议的文章、病例报告和在头颈部手术重建中使用颏下皮瓣的临床研究。结果颏下动脉岛状皮瓣虽具有供区发病率低、美容效果好等优点,但在椎弓根剥离和患者选择方面存在挑战。这种皮瓣特别适用于口腔、口咽部、腮腺床、脸中部或颈部皮肤的缺损。同时进行颈部清扫是可行的,但对于既往有颈部手术史的患者应谨慎进行。结论颏下动脉岛状皮瓣是一种有价值的手术方法。当在正确的患者中使用正确的技术时,该皮瓣可以重建口腔,口咽,腮腺床和面部中部或颈部皮肤的缺损,并在供区留下最小可见的疤痕。
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引用次数: 0
Mathematical Modeling of Vessel Geometry and Circumference in Microvascular Surgery. 微血管手术中血管几何和围度的数学建模。
IF 0.8 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-09-01 Epub Date: 2022-05-15 DOI: 10.1177/19433875221097252
Stacey Nedrud, Yoram Fleissig, Alba Sanjuan-Sanjuan, Anthony Bunnell, Rui Fernandes

Introduction: Microvascular anastomosis has traditionally been executed with a perpendicular transection through the vessel at the widest diameter to increase circumference and thus increase blood flow while decreasing resistance. In Chen's 2015 article, it was suggested that an "open Y" would improve vessel size match, and Wei and Mardini discuss angled transections of the vessels. This project aims to explore the geometric configurations feasible at the anastomotic transection and mathematically model the resulting hypothetical increases in circumference.

Materials and methods: The mathematical models were theoretically developed by our team. The formulas model increases in circumference of the transection at different distances in relation to the bifurcation of a blood vessel, as well as changes in circumference at different transection angulations. An in vitro exploration as to the anastomotic feasibility of each geometric cut was completed on ten poultry tissue specimens.

Results: The mathematical models demonstrated the change in vessel circumference, with multiple geometric designs calculated, best shown through diagrams. For example, if the vessel width is 1 mm, the distance from the increasing vessel diameter to the final bifurcation is 1 mm, and the bifurcation angle is 45°, the circumference of the transected vessel increases by 82.8%. Models of transections at different angulations, for instance 30°, 45°, and 60°, yield an increase in elliptical circumference of 8.0%, 22.5%, and 58.1%, respectively. Additional derivations calculate the elliptical circumference at any angle in a single vessel, and at any angle in a bifurcating vessel.

Conclusion: The theoretical and clinical aim of this project is to increase awareness of the anastomotic creativity and mathematically demonstrate the optimal anastomotic geometry, which has not been objectively explored to our knowledge. An in vivo study would further support clinical improvements, with the aim to map postoperative fluid dynamics through the geometric anastomoses.

传统的微血管吻合是在最宽的直径处垂直横切血管,以增加周长,从而增加血流量,同时减少阻力。在Chen 2015年的文章中,有人建议“开放的Y”可以改善血管尺寸匹配,Wei和Mardini讨论了血管的角度横切。本项目旨在探索在吻合口横断处可行的几何构型,并对由此产生的假设周长增加进行数学建模。材料和方法:数学模型是由我们的团队在理论上建立的。该公式模型在不同距离处的横断面周长随血管分叉而增加,以及在不同横断面角度处的周长变化。在10个家禽组织标本上对各几何切口的吻合可行性进行了体外探索。结果:数学模型反映了血管周长的变化,计算了多种几何设计,以图表的形式表现得最好。例如,血管宽度为1mm,增大的血管直径到最终分叉处的距离为1mm,分叉角为45°,则横切血管的周长增加82.8%。不同角度(如30°、45°和60°)的横切模型,其椭圆周长分别增加8.0%、22.5%和58.1%。附加的推导计算在单个容器的任何角度下的椭圆周长,以及在分叉容器的任何角度下的椭圆周长。结论:本课题的理论和临床目的是提高人们对吻合口创造性的认识,并从数学上展示最佳吻合口几何形状,这是我们所知尚未客观探索的。一项体内研究将进一步支持临床改进,目的是通过几何吻合来绘制术后流体动力学。
{"title":"Mathematical Modeling of Vessel Geometry and Circumference in Microvascular Surgery.","authors":"Stacey Nedrud, Yoram Fleissig, Alba Sanjuan-Sanjuan, Anthony Bunnell, Rui Fernandes","doi":"10.1177/19433875221097252","DOIUrl":"10.1177/19433875221097252","url":null,"abstract":"<p><strong>Introduction: </strong>Microvascular anastomosis has traditionally been executed with a perpendicular transection through the vessel at the widest diameter to increase circumference and thus increase blood flow while decreasing resistance. In Chen's 2015 article, it was suggested that an \"open Y\" would improve vessel size match, and Wei and Mardini discuss angled transections of the vessels. This project aims to explore the geometric configurations feasible at the anastomotic transection and mathematically model the resulting hypothetical increases in circumference.</p><p><strong>Materials and methods: </strong>The mathematical models were theoretically developed by our team. The formulas model increases in circumference of the transection at different distances in relation to the bifurcation of a blood vessel, as well as changes in circumference at different transection angulations. An in vitro exploration as to the anastomotic feasibility of each geometric cut was completed on ten poultry tissue specimens.</p><p><strong>Results: </strong>The mathematical models demonstrated the change in vessel circumference, with multiple geometric designs calculated, best shown through diagrams. For example, if the vessel width is 1 mm, the distance from the increasing vessel diameter to the final bifurcation is 1 mm, and the bifurcation angle is 45°, the circumference of the transected vessel increases by 82.8%. Models of transections at different angulations, for instance 30°, 45°, and 60°, yield an increase in elliptical circumference of 8.0%, 22.5%, and 58.1%, respectively. Additional derivations calculate the elliptical circumference at any angle in a single vessel, and at any angle in a bifurcating vessel.</p><p><strong>Conclusion: </strong>The theoretical and clinical aim of this project is to increase awareness of the anastomotic creativity and mathematically demonstrate the optimal anastomotic geometry, which has not been objectively explored to our knowledge. An in vivo study would further support clinical improvements, with the aim to map postoperative fluid dynamics through the geometric anastomoses.</p>","PeriodicalId":46447,"journal":{"name":"Craniomaxillofacial Trauma & Reconstruction","volume":"1 1","pages":"195-204"},"PeriodicalIF":0.8,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10638978/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74258115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Anatomical Patterns of the Nasopalatine Canal and Incisive Foramen in an African Setting: A Cross-Sectional Study. 非洲鼻腭管和尖锐孔的解剖模式:横断面研究。
IF 0.8 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-09-01 Epub Date: 2022-05-27 DOI: 10.1177/19433875221100943
Krishan Sarna, Merna A Estreed, Khushboo J Sonigra, Thomas Amuti, Florence Opondo, Martin Kamau, Wei C Ngeow

Study Design: Descriptive cross-sectional. Objective: To determine the morphology and morphometry of the nasopalatine canal (NPC) and incisive foramen (IF) in an African population. Methods: Measurements of the NPC and the IF were carried out on 150 Cone-Beam computed tomography (CBCT) scans. The maxillary bone thickness anterior to the NPC was measured at 3 levels. Independent t-test and Chi-square test were performed to determine the presence of sexual dimorphism. Results: The presence of one Stenson's foramen was most prevalent. The mean length of NPC was 13.21 ± 3.25 mm with significantly longer canals in males. The most prevalent shape of NPC was cylindrical in sagittal view and a single canal in coronal view. The mean angulation of NPC was 118.42° to the horizontal plane. The average dimensions of the IF were 3.53 mm and 3.07 mm in the anteroposterior and mediolateral diameter, respectively, while the most common shape was round. The anterior maxillary bone was thicker in males and generally reduced in thickness from the anterior nasal spine superiorly towards the alveolar crest inferiorly. Conclusion: This study highlights the anatomical characteristics of the NPC and IF, with significant sexual dimorphism observed regarding the number of Stenson's foramina, length of NPC, shapes of the NPC and IF, as well as alveolar bone thickness anterior to NPC.

研究设计:描述性横断面。目的:探讨非洲人群鼻咽管(NPC)和鼻咽管深孔(IF)的形态学特征。方法:采用锥形束ct (Cone-Beam computed tomography, CBCT)扫描150例,测量鼻咽癌和中枢性脑出血。在鼻咽癌前的3个水平测量上颌骨厚度。采用独立t检验和卡方检验确定性别二态性的存在。结果:单侧斯坦森孔的存在最为普遍。鼻咽癌的平均长度为13.21±3.25 mm,男性鼻咽癌的管径明显较长。鼻咽癌矢状面呈圆柱状,冠状面呈单根管状。鼻咽癌与水平面的平均角度为118.42°。IF的平均尺寸分别为3.53 mm和3.07 mm,最常见的形状为圆形。男性上颌前骨较厚,且从鼻前棘向上至牙槽嵴下方的厚度普遍减少。结论:本研究突出了鼻咽癌和中鼻癌的解剖学特征,在Stenson孔的数量、鼻咽癌的长度、鼻咽癌和中鼻癌的形状以及鼻咽癌前的肺泡骨厚度等方面存在明显的性别二态性。
{"title":"Anatomical Patterns of the Nasopalatine Canal and Incisive Foramen in an African Setting: A Cross-Sectional Study.","authors":"Krishan Sarna, Merna A Estreed, Khushboo J Sonigra, Thomas Amuti, Florence Opondo, Martin Kamau, Wei C Ngeow","doi":"10.1177/19433875221100943","DOIUrl":"10.1177/19433875221100943","url":null,"abstract":"<p><p><b>Study Design:</b> Descriptive cross-sectional. <b>Objective:</b> To determine the morphology and morphometry of the nasopalatine canal (NPC) and incisive foramen (IF) in an African population. <b>Methods:</b> Measurements of the NPC and the IF were carried out on 150 Cone-Beam computed tomography (CBCT) scans. The maxillary bone thickness anterior to the NPC was measured at 3 levels. Independent t-test and Chi-square test were performed to determine the presence of sexual dimorphism. <b>Results:</b> The presence of one Stenson's foramen was most prevalent. The mean length of NPC was 13.21 ± 3.25 mm with significantly longer canals in males. The most prevalent shape of NPC was cylindrical in sagittal view and a single canal in coronal view. The mean angulation of NPC was 118.42° to the horizontal plane. The average dimensions of the IF were 3.53 mm and 3.07 mm in the anteroposterior and mediolateral diameter, respectively, while the most common shape was round. The anterior maxillary bone was thicker in males and generally reduced in thickness from the anterior nasal spine superiorly towards the alveolar crest inferiorly. <b>Conclusion:</b> This study highlights the anatomical characteristics of the NPC and IF, with significant sexual dimorphism observed regarding the number of Stenson's foramina, length of NPC, shapes of the NPC and IF, as well as alveolar bone thickness anterior to NPC.</p>","PeriodicalId":46447,"journal":{"name":"Craniomaxillofacial Trauma & Reconstruction","volume":"16 3","pages":"222-233"},"PeriodicalIF":0.8,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10638970/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136399719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Embracing Evolutions in Craniomaxillofacial Trauma and Reconstruction 拥抱颅颌面创伤与重建的新进展
Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-09-01 DOI: 10.1177/19433875231205722
Florian M. Thieringer, Basel Mike Y. Y. Leung, Hong Kong, Kathleen Fan
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引用次数: 0
Improving Cranial Vault Remodeling for Unilateral Coronal Craniosynostosis—Introducing Automated Surgical Planning 改善单侧冠状颅缝闭锁的颅拱顶重塑——引入自动化手术计划
Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-06-16 DOI: 10.1177/19433875231178912
Emilie Robertson, Pierre Boulanger, Peter Kwan, Gorman Louie, Daniel Aalto
Study Design Cranial vault remodeling (CVR) for unicoronal synostosis is challenging due to the asymmetric nature of the deformity. Computer-automated surgical planning has demonstrated success in reducing the subjectivity of decision making in CVR in symmetric subtypes. This proof of concept study presents a novel method using Boolean functions and image registration to automatically suggest surgical steps in asymmetric craniosynostosis. Objective The objective of this study is to introduce automated surgical planning into a CVR virtual workflow for an asymmetric craniosynostosis subtype. Methods Virtual workflows were developed using Geomagic Freeform Plus software. Hausdorff distances and color maps were used to compare reconstruction models to the preoperative model and a control skull. Reconstruction models were rated as high or low performing based on similarity to the normal skull and the amount of advancement of the frontal bone (FB) and supra-orbital bar (SOB). Fifteen partially and fully automated workflow iterations were carried out. Results FB and SOB advancement ranged from 3.08 to 10.48 mm, and −1.75 to 7.78 mm, respectively. Regarding distance from a normal skull, models ranged from .85 to 5.49 mm at the FB and 5.40 to 10.84 mm at the SOB. An advancement of 8.43 mm at the FB and 7.73 mm at the SOB was achieved in the highest performing model, and it differed to a comparative normal skull by .02 mm at the FB and .48 mm at the SOB. Conclusions This is the first known attempt at developing an automated virtual surgical workflow for CVR in asymmetric craniosynostosis. Key regions of interest were outlined using Boolean operations, and surgical steps were suggested using image registration. These techniques improved post-operative skull morphology
由于畸形的不对称性质,颅拱顶重塑(CVR)治疗单冠状关节闭锁是具有挑战性的。计算机自动手术计划已证明成功地减少了对称亚型CVR决策的主观性。这个概念验证研究提出了一种使用布尔函数和图像配准的新方法来自动建议不对称颅缝闭锁的手术步骤。本研究的目的是将自动手术计划引入不对称颅缝闭锁亚型的CVR虚拟工作流程中。方法采用Geomagic Freeform Plus软件编制虚拟工作流。利用Hausdorff距离和彩色地图将重建模型与术前模型和对照颅骨进行比较。根据重建模型与正常颅骨的相似性以及额骨(FB)和眶上骨棒(SOB)的前移量,对重建模型的表现进行了高或低评级。执行了15个部分和完全自动化的工作流迭代。结果FB和SOB推进幅度分别为3.08 ~ 10.48 mm和- 1.75 ~ 7.78 mm。关于与正常颅骨的距离,模型在前颅骨为0.85至5.49 mm,后颅骨为5.40至10.84 mm。在表现最好的模型中,FB和SOB的前进分别为8.43 mm和7.73 mm,与正常颅骨相比,FB和SOB的前进分别为0.02 mm和0.48 mm。这是已知的首次尝试开发用于不对称颅缝闭锁CVR的自动化虚拟手术流程。使用布尔运算勾勒出感兴趣的关键区域,并使用图像配准建议手术步骤。这些技术改善了术后颅骨形态学
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引用次数: 0
Improving Cranial Vault Remodeling for Unilateral Coronal Craniosynostosis—Introducing Automated Surgical Planning 改善单侧冠状颅缝闭锁的颅拱顶重塑——引入自动化手术计划
IF 0.9 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2023-06-16 DOI: 10.7939/R3-T2A1-5G68
Emilie M. Robertson
Cranial vault remodeling (CVR) for unicoronal synostosis is challenging due to the asymmetric nature of the deformity. Computer-automated surgical planning has demonstrated success in reducing the subjectivity of decision making in CVR in symmetric subtypes. This proof of concept study presents a novel method using Boolean functions and image registration to automatically suggest surgical steps in asymmetric craniosynostosis. The objective of this study is to introduce automated surgical planning into a CVR virtual workflow for an asymmetric craniosynostosis subtype. Virtual workflows were developed using Geomagic Freeform Plus software. Hausdorff distances and color maps were used to compare reconstruction models to the preoperative model and a control skull. Reconstruction models were rated as high or low performing based on similarity to the normal skull and the amount of advancement of the frontal bone (FB) and supra-orbital bar (SOB). Fifteen partially and fully automated workflow iterations were carried out. FB and SOB advancement ranged from 3.08 to 10.48 mm, and −1.75 to 7.78 mm, respectively. Regarding distance from a normal skull, models ranged from .85 to 5.49 mm at the FB and 5.40 to 10.84 mm at the SOB. An advancement of 8.43 mm at the FB and 7.73 mm at the SOB was achieved in the highest performing model, and it differed to a comparative normal skull by .02 mm at the FB and .48 mm at the SOB. This is the first known attempt at developing an automated virtual surgical workflow for CVR in asymmetric craniosynostosis. Key regions of interest were outlined using Boolean operations, and surgical steps were suggested using image registration. These techniques improved post-operative skull morphology
由于畸形的不对称性质,颅拱顶重塑(CVR)是具有挑战性的。计算机自动手术计划已证明成功地减少了对称亚型CVR决策的主观性。这个概念验证研究提出了一种使用布尔函数和图像配准的新方法来自动建议不对称颅缝闭锁的手术步骤。本研究的目的是将自动手术计划引入到不对称颅缝闭合亚型的CVR虚拟工作流程中。使用Geomagic Freeform Plus软件开发虚拟工作流。利用Hausdorff距离和彩色地图将重建模型与术前模型和对照颅骨进行比较。根据重建模型与正常颅骨的相似性以及额骨(FB)和眶上骨棒(SOB)的前移量,对重建模型的表现进行了高或低评级。执行了15个部分和完全自动化的工作流迭代。FB和SOB的推进幅度分别为3.08 ~ 10.48 mm和- 1.75 ~ 7.78 mm。关于与正常颅骨的距离,模型在前颅骨为0.85至5.49 mm,后颅骨为5.40至10.84 mm。在表现最好的模型中,FB和SOB的前进分别为8.43 mm和7.73 mm,与正常颅骨相比,FB和SOB的前进分别为0.02 mm和0.48 mm。这是为不对称颅缝闭合的CVR开发自动虚拟手术流程的首次尝试。使用布尔运算勾勒出感兴趣的关键区域,并使用图像配准建议手术步骤。这些技术改善了术后颅骨形态学
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引用次数: 0
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Craniomaxillofacial Trauma & Reconstruction
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