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Healing of a Large Periapical Lesion and Adjacent Cortical Bone: Cone-Beam CT Aided Diagnosis and Treatment 大根尖周病变及邻近皮质骨的愈合:锥束CT辅助诊断与治疗
Pub Date : 2018-11-07 DOI: 10.12974/2311-8695.2018.06.5
K. Gulsahi
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引用次数: 0
Flexural Strength and Fracture Resistance of Leucite-Reinforced Glass Ceramic for Dental CAD/CAM 牙科CAD/CAM用白晶石增强玻璃陶瓷的抗弯强度和抗断裂性能
Pub Date : 2018-11-07 DOI: 10.12974/2311-8695.2018.06.6
Meryem Hurbag
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引用次数: 0
Clinical Significance of Impacted Supernumerary Teeth of a Group of Sri Lankan Children Aged 7 to 13 Years 斯里兰卡7 ~ 13岁儿童多生牙阻生的临床意义
Pub Date : 2018-11-07 DOI: 10.12974/2311-8695.2018.06.3
J. Jayawardena
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引用次数: 0
Decision making. 决策。
Pub Date : 2018-07-31 DOI: 10.1017/9781108644556.018
D. W. Chambers
A decision is a commitment of resources under conditions of risk in expectation of the best future outcome. The smart decision is always the strategy with the best overall expected value-the best combination of facts and values. Some of the special circumstances involved in decision making are discussed, including decisions where there are multiple goals, those where more than one person is involved in making the decision, using trigger points, framing decisions correctly, commitments to lost causes, and expert decision makers. A complex example of deciding about removal of asymptomatic third molars, with and without an EBD search, is discussed.
决策是在风险条件下对资源的承诺,以期获得最佳的未来结果。明智的决策始终是具有最佳总体预期价值的战略——事实和价值的最佳组合。讨论了决策中涉及的一些特殊情况,包括有多个目标的决策、多人参与决策的决策、使用触发点、正确制定决策、对失败原因的承诺以及专家决策者。讨论了一个决定是否切除无症状第三磨牙的复杂例子,无论是否进行EBD搜索。
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引用次数: 0
Importance of Cone-Beam CT in Endodontics 锥形束CT在牙髓学中的重要性
Pub Date : 2017-11-19 DOI: 10.12974/2311-8695.2017.05.02.1
K. Gulsahi
Endodontic diagnosis and accomplished root canal therapy significantly related to accurate radiographic examination. Currently, intraoral periapical radiography is the first imaging choice of the management of endodontic disease. However, with the development of cone beam computed tomography (CBCT), three-dimensional imaging of the maxillofacial area can be obtained. CBCT allows the more definite diagnosis of periapical pathologies, root fractures, external and internal of root resorptions than 2-dimensional radiographs. However, CBCT imaging is not recommended in every clinical cases due to higher radiation dose than 2-dimensional radiographs. In this review article the aim was to emphasize the clinical implementations of CBCT in endodontics. 
根管诊断和完成根管治疗与准确的影像学检查有显著关系。目前,口内根尖周x线摄影是治疗牙髓疾病的首选影像学选择。然而,随着锥形束计算机断层扫描技术(CBCT)的发展,可以获得颌面部区域的三维图像。与二维x线片相比,CBCT可以更明确地诊断根尖周围病变、根骨折、根外和根内吸收。然而,由于辐射剂量高于二维x线片,并非所有临床病例都推荐CBCT成像。在这篇综述文章的目的是强调CBCT在牙髓学的临床应用。
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引用次数: 0
Importance of Salivary Biomarkers in the Detection of Oral Cancer (Review Article) 唾液生物标志物在口腔癌检测中的重要性(综述文章)
Pub Date : 2017-11-19 DOI: 10.12974/2311-8695.2017.05.02.2
M. Kharma, Ossama Alkhatib, Mohamad Sadek Alalwani, W. Albishi, Shahd Alalwi
Aim: This article aims to provide a brief overview of various salivary biomarkers and their importance in early detection of oral cancer. Background: The tumor markers are playing an important role in cancer detection and management. The cancer biomarker is produced either by the tumor itself or by other tissues, and consider as molecular signature indicating the physiologic and pathologic changes in a particular tissue or cell during the development of cancer. The direct contact between the saliva and the oral cancer lesions makes the salivary biomarkers the best sensitive and specific test for primairy screening method in diagnosis, staging and follow-up of oral cancer. Materials and Methods: Studies were conducted by searching for reviews in salivary biomarkers of oral malignancy in the past 5 years in Google Scholar, Medline, and PubMed. The references were also crosschecked for the relation of salivary biomarkers and oral cancer. Articles were identified and subjected to qualitative and quantitative analyses. Review Results: More than 100 potential Oral squamous cell carcinoma (OSCC) salivary biomarkers have been reported in the literature. The proteomics analysis of saliva proteins is significance for early diagnosis of Oral squamous cell carcinoma (OSCC). Saliva contains reliable amounts of cells, mainly exfoliated from the oral cancer, which can provide early diagnosis and detection of oral malignancy. Conclusion: The goal of cancer screening is to detect tumor at an early stage, when treatment is most likely to be successful. Salivary biomarkers will help to differentiate patients who clinically have no detectable disease but are potential candidates for oral cancer. 
目的:本文旨在简要介绍各种唾液生物标志物及其在口腔癌早期检测中的重要性。背景:肿瘤标志物在肿瘤的检测和治疗中发挥着重要作用。肿瘤生物标志物是由肿瘤本身或其他组织产生的,被认为是指示特定组织或细胞在癌症发展过程中生理和病理变化的分子标志。唾液与口腔癌病变的直接接触,使得唾液生物标志物在口腔癌的诊断、分期和随访中成为最敏感、最特异的初级筛查方法。材料和方法:通过在Google Scholar、Medline和PubMed中检索过去5年有关口腔恶性肿瘤唾液生物标志物的综述进行研究。对参考文献也进行了交叉检查,以确定唾液生物标志物与口腔癌的关系。对文章进行鉴定并进行定性和定量分析。综述结果:文献中报道了100多个潜在的口腔鳞状细胞癌(OSCC)唾液生物标志物。唾液蛋白组学分析对口腔鳞状细胞癌的早期诊断具有重要意义。唾液中含有大量的细胞,这些细胞主要是从口腔癌中脱落下来的,可以提供口腔恶性肿瘤的早期诊断和检测。结论:肿瘤筛查的目的是在早期发现肿瘤,此时治疗最有可能成功。唾液生物标志物将有助于区分临床未检测到疾病但有口腔癌潜在候选者的患者。
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引用次数: 0
Esthetic Rehabilitation with Combined All-Ceramic Applications: A Case Report 全瓷复合应用美学康复一例报告
Pub Date : 2017-11-19 DOI: 10.12974/2311-8695.2017.05.02.4
Elifnur Guzelce, O. Karacaer
The first choice for anterior rehabilitation has been metal-free materials due to their successful esthetic results. Dentists and dental technicians today require materials that offer high strength, outstanding esthetics and efficient productivity. IPS e-max lithium disilicate can now be processed with CAD/CAM technology or traditionally pressed or contemporarily. Thus, its strength and versatility, the material used for the following practice anterior/posterior crowns, anterior three-unit bridgework (press only), inlays/onlays, veneers, thin veneers, implant restorations, telescopic crowns. The case presented in this report illustrates the rehabilitation of maxillary anterior teeth with IPS e-max press ceramic bridge and laminate veneers. 
前路修复的首选材料是无金属材料,因为它们具有良好的美观效果。今天的牙医和牙科技术人员需要高强度、美观和高效的材料。IPS e-max二硅酸锂现在可以用CAD/CAM技术或传统压制或现代加工。因此,它的强度和通用性,材料用于以下做法前/后冠,前三单元桥(仅压),嵌体/嵌体,贴面,薄贴面,种植体修复,伸缩冠。本病例介绍了采用IPS e-max压瓷桥和层压贴面修复上颌前牙的临床效果。
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引用次数: 0
A Study Into Malpractices in the Dental Practice in the Town Of Plovdiv – Bulgaria Over A 5-Year Period 在保加利亚普罗夫迪夫镇牙科实践的渎职研究超过5年期间
Pub Date : 2017-11-19 DOI: 10.12974/2311-8695.2017.05.02.5
N. Musurlieva, M. Stoykova, S. Novakova
In their work, dentists sometimes allow malpractices to occur. The aim of this study is to investigate the nature of the “adverse consequences” that may serve as grounds for claims from patients to the Professional Ethics Commission (PEC) and the Regional College (RC) of the Bulgarian Dental Association (BDA) in Plovdiv, Bulgaria. Material and methods: The documental method has been applied in investigating retrospectively 42 claims from patients to PEC-Plovdiv, filed in the period from 2011 to 2016, and the findings have been compared to those of similar investigations in Tehran and Turkey. Results and discussion: After an in-depth analysis, it was established that the actions that had resulted in claims filed with PEC-Plovdiv, were ‘errors’ in: prosthetics – 34%; surgical treatment – 6%; infringement of the rights of the patient (mostly – administered treatment without the informed consent of the patient) – 10%; mounting implants – 50% (prostheses and surgical treatment as part of implantology are also included here). According to foreign publications, errors in prostheses and surgical interventions are the most common. The same errors have been found to be the most common in Plovdiv, too, in addition to errors in implantology. In Bulgaria, as well as in many other countries, there is no register of dental malpractices. Conclusion: The adverse consequences of dental treatment have been established to be of the same origin in the 3 surveyed regions. The safety strategies are designed to prevent unintentional injuries to the patient. 
在他们的工作中,牙医有时会允许不法行为发生。本研究的目的是调查“不良后果”的性质,这些后果可能成为患者向保加利亚普罗夫迪夫的保加利亚牙科协会(BDA)的职业道德委员会(PEC)和区域学院(RC)索赔的理由。材料和方法:采用文献法对2011年至2016年期间提交的42例PEC-Plovdiv患者索赔进行回顾性调查,并将调查结果与德黑兰和土耳其的类似调查结果进行比较。结果和讨论:经过深入分析,确定导致向PEC-Plovdiv提交索赔的行为是“错误”:假肢- 34%;手术治疗- 6%;侵犯患者权利(主要是在未经患者知情同意的情况下实施治疗)- 10%;安装假体- 50%(假体和手术治疗作为假体学的一部分也包括在内)。根据国外出版物,假体和手术干预的错误是最常见的。同样的错误也被发现在普罗夫迪夫中最常见,除了植入学中的错误。在保加利亚,以及在许多其他国家,没有牙科事故的登记。结论:在调查的3个地区,牙科治疗的不良后果具有相同的根源。安全策略的设计是为了防止对病人的意外伤害。
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引用次数: 0
The Legs of a Tripod: Correct Radiography, Correct Diagnosis and Correct Treatment 三脚架的腿:正确的放射、正确的诊断和正确的治疗
Pub Date : 2017-11-19 DOI: 10.12974/2311-8695.2017.05.02.3
K. Gulsahi
The dentist can evaluate and precisely diagnose many oral diseases by radiographs. Correct and detailed clinical and radiographic evaluation is crucial for a successful treatment. The correct diagnosis and therapy depends on the fact that the dentist must properly use every instrument and interpret the results correctly. This case series emphasize 3 cases which presents challenging clinical circumstances for a clinician to diagnose and treatment planning. 
牙医可以通过x光片评估和准确诊断许多口腔疾病。正确和详细的临床和放射学评估是成功治疗的关键。正确的诊断和治疗取决于牙医必须正确使用每一种仪器并正确解释结果。本病例系列强调3例,这些病例为临床医生的诊断和治疗计划提供了具有挑战性的临床环境。
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引用次数: 0
Stem Cells from Human Exfoliated Deciduous Teeth in Delayed Tooth Replantation: Histologic and Histomorfometric Analyses in Rats 人类脱落乳牙干细胞在延迟牙再植中的应用:大鼠的组织学和组织形态学分析
Pub Date : 2017-02-27 DOI: 10.12974/2311-8695.2017.05.01.4
Marsha Lisa Schlittler Ventura, Â. Bisol, L. Rasmussen, R. W. De Labio, R. Segato, Gustavo Viani, R. D. dos Santos, T. Okamoto, R. Okamoto, C. Sonoda, S. Payão
Aim: The complication in delayed replantation is root resorption that leads to loss of reimplanted teeth. This study was designed to evaluate the influence of stem cells from human exfoliated deciduous teeth (SHEDs) on the healing process of periodontal tissues after delayed tooth replantation in rats. Material and Methods: Forty-five rats had their right upper incisor extracted and maintained in dry storage for 60 minutes. Then dental papilla was removed; root canal was prepared and filled with calcium hydroxide paste and root surface treatment was processed. Rats were randomly assigned into three groups: Control group: the incisor was replanted without any substance in the dental socket. SHEDs group: the tooth was replanted after infusion of SHED, re-suspended in platelet-rich-fibrin in the dental socket; platelet-rich-fibrin group: the incisor was replanted with platelet-rich-fibrin in the dental socket. Animals were euthanized on days 15, 30 and 60 after replantation; histological and histomorphometric analyses were performed. Results: Root resorption was present in all experimental groups. No statistically significant differences were observed in the final period of study. The control group showed more replacement resorption but SHEDs group, showed dental tissues were more preserved. Inflammatory resorption nearly did not affect any group, as expected in this protocol (p<0.005).Conclusions: The findings of this study suggest that in the SHEDs group, teeth were more preserved with ankyloses occurrence, witch holds teeth in the socket for a longer period of time, when compared to replacement resorption or inflammatory resorption in the healing process of delayed replantation. 
目的:延迟再植的并发症是牙根吸收导致再植牙丢失。本研究旨在探讨人脱落乳牙干细胞对大鼠延迟牙再植后牙周组织愈合过程的影响。材料与方法:取45只大鼠右上切牙,干燥保存60分钟。然后去除牙乳头;用氢氧化钙糊剂充填根管,进行根表面处理。将大鼠随机分为三组:对照组:种植切牙,牙槽内不含任何物质。SHED组:滴注SHED后再植牙,重新悬浮于牙槽内富血小板纤维蛋白中;富血小板纤维蛋白组:在牙槽内植入富血小板纤维蛋白。分别于移植后第15、30、60天实施安乐死;进行组织学和组织形态计量学分析。结果:各实验组均有牙根吸收。在研究的最后阶段,没有观察到统计学上的显著差异。对照组牙体置换吸收较多,而舍斯组牙体组织保存较好。炎症吸收几乎不影响任何组,正如本方案所期望的那样(p<0.005)。结论:本研究结果表明,在延迟再植的愈合过程中,与替代吸收或炎症吸收相比,SHEDs组的牙齿在发生强直的情况下保留得更多,并且在牙槽中保持牙齿的时间更长。
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The Journal of the American College of Dentists
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