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Small Things That Make a Big Difference 小事情能带来大不同
Pub Date : 2014-09-17 DOI: 10.4172/2376-032X.1000150
P. Kapoor
Goal directed orthodontic treatment is extremely important. If the goals of treatment are overlooked from the diagnosis and treatment planning phase through to the phase of retention, continuous errors can be made. However, if the goals are kept constantly in mind, results are much more consistent, and when minor compromises must occur, the reasons for these can be understood to avoid many of them in the future. Therefore, the emphasis of this article is well summarized by the famous proverb “An ounce of prevention is better than pounds of cure”.
目标导向的正畸治疗是极其重要的。如果从诊断和治疗计划阶段到保留阶段都忽视了治疗目标,就会产生持续的错误。然而,如果目标始终牢记在心,结果就会更加一致,并且当必须发生一些小的妥协时,可以理解这些妥协的原因,从而在将来避免许多妥协。因此,这篇文章的重点很好地概括为著名的谚语“预防胜于治疗”。
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引用次数: 3
Accidental Swallowing of Orthodontic Partial Archwire 正畸部分弓丝意外吞咽
Pub Date : 2014-09-09 DOI: 10.4172/2376-032X.1000146
Edgard Norões Rodrigues da Matta, Hibernon Lopes Filho, A. Ruellas
Foreign bodies ingestion or aspiration situations are potential complications during orthodontic treatment. This article presents a case report of an orthodontic patient who accidentally ingested a section of orthodontic wire. The patient was accompanied by radiographs until the foreign body have been deleted.
异物误食或误吸是正畸治疗的潜在并发症。这篇文章提出了一个病例报告的正畸病人谁误食一段正畸金属丝。患者在x线片的陪伴下,直到异物被清除。
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引用次数: 0
Presurgical Treatment of Cleft Lip and Palate Babies with a PNAM Appliance: A Series of Four Case Reports 应用PNAM矫治器治疗婴幼儿唇腭裂:附四例报告
Pub Date : 2014-09-09 DOI: 10.4172/2376-032X.1000148
B. Kamiloğlu
Embryonic development of the head and face are among the most complex prenatal developmental events. Any disturbance during the developmental stage can result in craniofacial abnormalities, and the timing of the disturbance and intensity of the interruption affect the severity and type of the anomaly. Cleft lip and palate are relatively common congenital malformations and are readily diagnosed. Treating cleft lip and palate defects is important because of the severe aesthetic, functional, and serious psychological problems faced by both patients and their parents. It is recommended that cleft lip and   palate patients from 0 to 18 years old undergo treatment with a multidisciplinary team. In this series of clinical reports, we describe clinical orthodontic treatment approaches using a presurgical nasoalveolar moulding (PNAM) in newly born unilateral and bilateral cleft lip and palate babies. Three boys and one girl were selected from among other cleft lip and palate patients because some information about the possible aetiology of the clefts was observed and the parents were cooperative during treatment. The objectives of PNAM use in unilateral and bilateral cleft lip and palate patients are to presurgically   decrease the severity of the cleft size, maintain a narrower cleft palate, and increase the length of the columella and height of the nostrils. With parental cooperation, the treatment goals were achieved in  these cases.
头和脸的胚胎发育是最复杂的产前发育事件之一。发育阶段的任何干扰都可能导致颅面异常,干扰的时间和中断的强度影响异常的严重程度和类型。唇腭裂是比较常见的先天性畸形,很容易诊断。治疗唇腭裂是很重要的,因为患者和他们的父母都面临着严重的美学、功能和严重的心理问题。建议0至18岁的唇腭裂患者接受多学科团队的治疗。在这一系列的临床报告中,我们描述了在新生儿单侧和双侧唇腭裂婴儿中使用手术前鼻牙槽塑形(PNAM)的临床正畸治疗方法。从其他唇腭裂患者中选择了三名男孩和一名女孩,因为观察到一些可能的唇腭裂病因的信息,并且父母在治疗过程中给予配合。PNAM用于单侧和双侧唇腭裂患者的目的是术前减少唇裂大小的严重程度,保持较窄的腭裂,增加鼻梁的长度和鼻孔的高度。在父母的配合下,这些病例的治疗目标得以实现。
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引用次数: 1
Determination of Selected Heavy Metal Levels in Scalp Hair and Fingernail Samples from Dental Laboratory Technicians 牙科实验室技术人员头皮头发和指甲样品中选定重金属水平的测定
Pub Date : 2014-08-11 DOI: 10.4172/2376-032X.1000138
Mervat A. Al-Awadeen, A. S. Al-Hiyasat, A. Massadeh, Y. Khader
The aim of this study was to determine selected heavy metal levels including cobalt (Co), Chromium (Cr) nickel (Ni) in scalp hair and fingernail samples of dental technicians. The scalp hair and fingernail samples were collected from 55 dental technicians and 25 medical technicians (control group). In the same time a questionnaire was filled by each subject of the two groups. The concentration of heavy metals (Co, Cr and Ni) in scalp hair and fingernail were determined by spectrometry. The result showed that the Co concentration in hair and nails of dental technicians was (0.74 μg/g, 6.5 μg/g respectively) compared with medical technicians (0.04 μg/g, 0.03 μg/g respectively). Ni concentration in hair and nails of dental technicians was (12.00 μg/g, 17.4 μg/g respectively) compared with medical technicians (6.3 μg/g, 6.00 μg/g respectively). Concentration of Cr in hair and nails of dental technicians was (9.37 μg/g, 10.6 μg/g respectively) compared with medical technicians (0.0 μg/g, 10.3 μg/g respectively), Ni was found to have the highest level in the hair and fingernails of dental technicians.
本研究的目的是确定选定的重金属水平,包括钴(Co),铬(Cr),镍(Ni)在头皮头发和指甲牙科技师的样本。55名牙科技师和25名医务技师(对照组)采集头皮头发和指甲样本。同时,两组受试者各填写一份调查问卷。用分光光度法测定了头皮毛发和指甲中重金属Co、Cr、Ni的浓度。结果表明:口腔技师头发和指甲中的Co浓度分别为0.74、6.5 μg/g,而医务技师的Co浓度分别为0.04、0.03 μg/g。牙科技师的头发和指甲中镍的浓度分别为12.00、17.4 μg/g,而医务技师的头发和指甲中镍的浓度分别为6.3、6.00 μg/g。技师头发和指甲中Cr的浓度分别为9.37、10.6 μg/g,而医务人员的Cr含量分别为0.0、10.3 μg/g,技师头发和指甲中Ni含量最高。
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引用次数: 8
Effect of Shoulder and Deep Chamfer Finish Lines on Marginal Fitness of Electroformed P.F.M. Restorations 肩部和深倒角终点线对电铸P.F.M.修复体边缘适合度的影响
Pub Date : 2014-08-11 DOI: 10.4172/2376-032X.1000145
N. Rahshenas, M. H. Motamedi, Mohammad Sadegh Nazari, M. Salari, Bita Modaber
Objective: Comparison of the effect of shoulder with deep chamfer finish lines in P.F.M restorations using electroforming. Method: This experimental study was performed on 20 samples that were randomly selected. Two cutting designs shoulder and deep chamfer were created on dies via a standard turning machine. The diameter rim was 8mm and the height was 6 mm and the depth of cutting edge in cervical area, was 1mm. Impressions were made from dies and 10 acetone dies were prepared for each group. Silver was used on the dies to the finish line and a copper wire was connected to the die by making a foramen 1 mm away from finish line. The collection of die and wire were attached to the head of electroforming machine and gold cooping was created with electroforming. The gap between the die and the crown was measured by electron microscope; data was recorded and evaluated by the t-test.   Results: According to statistical data, the average gap in shoulder lathe was 24.42 microns and in deep chamfer was 20.66 microns.   Conclusions: The deep chamfer design in electroforming method had a better marginal fitness in comparison to the shoulder design.
目的:比较深倒角终点线肩关节电铸修复P.F.M的效果。方法:随机抽取20例样本进行实验研究。通过标准车床在模具上创建了两种切割设计肩和深倒角。切缘直径8mm,切缘高度6mm,切缘深度1mm。用模具压痕,每组制备10个丙酮模具。在模具上使用银到终点线,铜线连接到模具上,在离终点线1毫米的地方做一个孔。将模具和线材的集合固定在电铸机头上,通过电铸形成金笼。用电子显微镜测量了模具与齿冠之间的间隙;用t检验记录和评价数据。结果:根据统计数据,肩式车床的平均间隙为24.42微米,深倒角的平均间隙为20.66微米。结论:电铸法深倒角设计比肩形设计具有更好的边缘适应度。
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引用次数: 5
Oral Lichen Planus: A Review of Etiopathogenesis, Clinical, Histological and Treatment Aspects 口腔扁平苔藓:病因,临床,组织学和治疗方面的综述
Pub Date : 2014-08-11 DOI: 10.4172/2376-032X.1000142
R. Chitturi, A. Devy, R. Nirmal, P. Sunil
It is a well known fact that oral lichen planus (OLP) is a non infectious disease affecting the oral mucous membrane. It is considered to be an autoimmune disorder mediated mainly by the T-lymphocytes. It affects 1-2% of the general population with maximum prevelance seen among women above the age of 40. WHO considers it to be a potentially malignant disorder and the rate of malignant transformation has been put between 0.5-2%. This article mainly reviews the various pathogenetic mechanisms by which this unique disorder occurs along with the clinical, histopathological and treatment aspects.
口腔扁平苔藓(OLP)是一种影响口腔粘膜的非传染性疾病,是众所周知的事实。它被认为是一种主要由t淋巴细胞介导的自身免疫性疾病。它影响总人口的1-2%,在40岁以上的女性中发病率最高。世卫组织认为它是一种潜在的恶性疾病,恶性转化率在0.5-2%之间。本文主要综述了这种独特疾病的各种发病机制以及临床、组织病理学和治疗方面的研究进展。
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引用次数: 11
Endodontic Treatment of Single Rooted Maxillary First Molar with C Shaped Canal Configuration 单根上颌第一磨牙C型根管的根管治疗
Pub Date : 2014-08-11 DOI: 10.4172/2376-032x.1000139
K. Dhingra, R. Shetty
The C shaped canal configuration is an anatomic variant most commonly seen in mandibular second molars. The presence of this configuration in a single rooted maxillary permanent first molar is rare. This case report describes the endodontic management of a single rooted infected maxillary first molar having a c shaped root canal configuration.
C形根管结构是下颌第二磨牙最常见的解剖变异。在单根上颌恒牙第一磨牙中出现这种形态是很少见的。本病例报告描述了单根感染的上颌第一磨牙的根管处理,其根管配置为c形。
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引用次数: 1
The Use of SHED in Cellular Therapy and Disease Modeling SHED在细胞治疗和疾病建模中的应用
Pub Date : 2014-08-11 DOI: 10.4172/2376-032X.1000143
M. M. Evangelinellis, G. C. Pignatari, Beltrao Cfb, Beltrao-Braga Pcb
During the last decade, stem cells emerged as a powerful instrument for regenerative medicine. Stem cells have the essential ability to renewal and differentiate into other cell lineages. Besides the polemic about the use of embryonic stem cells, adult stem cells represent a valid alternative avoiding ethical concerns. Different from others adult stem cells, which involved invasive procedures to be obtained, dental pulp represent a useful source of stem cells, with easy accesses. Here we focused on stem cells from human exfoliated deciduous teeth and their main characteristics, uses in regenerative medicine, immunomodulatory proprieties and as a cell source for modeling disease.
在过去的十年中,干细胞成为再生医学的有力工具。干细胞具有更新和分化为其他细胞系的基本能力。除了关于使用胚胎干细胞的争论之外,成体干细胞代表了一种有效的替代方法,可以避免伦理问题。不同于其他成体干细胞需要通过侵入性手术获得,牙髓是一种有用的干细胞来源,容易获得。在这里,我们重点研究了人类脱落乳牙的干细胞及其主要特征,在再生医学中的应用,免疫调节特性以及作为疾病建模的细胞来源。
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引用次数: 1
Gingival Tissue and Apoptosis 牙龈组织与细胞凋亡
Pub Date : 2014-08-11 DOI: 10.4172/2376-032X.1000141
K. Mitic, M. Popovska, Ana Belazelkoska, R. Jovanovic
Background: Several factors can influence gingival tissues. Among them: disrupting tissue homeostasis and occurrence of pathological conditions. The aim of our study was to investigate and compare the presence of apoptosis in patients treated with immunosuppressive therapy, patients with periodontitis and on the other hand, healthy patients, as well as to better understand the role of apoptosis in the these processes.   Methods: The first objective group consisted of 21 patients (10 males and 11 females; mean age 37.4 ± 10.2 years old) with neither kidney diseases nor treated with cyclosporine A (CsA) therapy, who had a verified periodontal disease. The second group consisted of 21 kidney-transplant patients (9 males and 12 females; mean age 36.2 ± 9.5 years old), with diagnosed gingival overgrowth (GO) subjected to continuous immunosuppressive therapy. The control group consisted of the same number of patients, clinically healthy subjects (15 males and 6 females; mean age 29 ± 14.0 years old) with plaque-induced gingivitis. The following indexes were analyzed: plaque index (PI) Sillnes-Loe, index of gingival inflammation (GI) according to Loe-Sillnes, and gingival overgrowth index (GOI) according to MacGaw et al. The determination of CsA in blood was performed by a fluorescence polarised immunoassay (FPIA).The tissue samples were estimated by semiquantitative analysis in order to determine the presence of apoptotic cells and immunohistochemical expression of the bcl-2 and p53 proteins.   Results: We found statistical differences in bcl-2 and apoptotic index, among the groups: greatest expression of bcl-2 and apoptotic index was registered in the group treated with CsA, and the lowest expression was noted in the gingivitis group(p 0,05 ; r = 0.187).   Conclusion: Our findings suggest that increased apoptosis may have a role in the pathogenesis of CsA-induced gingival overgrowth in the cases of patients on high dose of CsA.
背景:影响牙龈组织的因素有很多。其中:破坏组织稳态和发生病理状况。本研究的目的是调查和比较免疫抑制治疗患者、牙周炎患者和健康患者中细胞凋亡的存在,并更好地了解细胞凋亡在这些过程中的作用。方法:第一目标组患者21例,其中男10例,女11例;平均年龄37.4±10.2岁),无肾脏疾病,未接受环孢素A (CsA)治疗,证实有牙周病。第二组为21例肾移植患者(男9例,女12例;平均年龄36.2±9.5岁),诊断为牙龈过度生长(GO),接受持续免疫抑制治疗。对照组由相同数量的患者组成,临床健康受试者(男性15例,女性6例;平均年龄(29±14.0岁),并发菌斑性牙龈炎。分析以下指标:菌斑指数(PI) Sillnes-Loe,牙龈炎症指数(GI)(根据loes - sillnes),牙龈过度生长指数(GOI)(根据MacGaw等)。采用荧光极化免疫分析法(FPIA)测定血液中CsA的含量。半定量分析组织样本,以确定凋亡细胞的存在和bcl-2和p53蛋白的免疫组织化学表达。结果:各组间bcl-2及凋亡指数有统计学差异,CsA组bcl-2及凋亡指数表达最高,牙龈炎组bcl-2表达最低(p < 0.05;R = 0.187)。结论:在高剂量CsA患者中,细胞凋亡的增加可能参与了CsA诱导的牙龈过度生长的发病机制。
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引用次数: 1
Biodentine: A Promising Dentin substitute 生物牙本质:一种有前途的牙本质替代品
Pub Date : 2014-08-11 DOI: 10.4172/2376-032X.1000140
Harpreet Singh, M. Kaur, Sheenam Markan, P. Kapoor
Biodentine material has been recently introduced in dentistry in order to provide dentin substitute for coronal and radicular pulp. Although number of materials like Amalgam, GIC, Composite and MTA are available in market for repair of dentin loss in tooth structure, none of these possesses ideal properties. Despite of number of advantages of MTA, its limitations cannot be overlooked. These drawbacks have been overcome by a new calcium silicate based material named Biodentine which has good handling properties, short setting time and improved mechanical properties. In nut shell it is able to act as a promising dentin substitute in coronal and radicular portion of tooth.
生物牙本质材料是近年来引进的一种牙本质材料,用于牙本质替代冠状牙髓和根状牙髓。目前市面上用于修复牙齿结构牙本质缺损的材料有汞合金、GIC、复合材料、MTA等,但这些材料的性能都不理想。尽管MTA有许多优点,但它的局限性也不容忽视。这些缺点已经被一种新的硅酸钙基材料所克服,这种材料被称为Biodentine,它具有良好的处理性能、短的凝固时间和改进的机械性能。在坚果壳中,它可以作为牙本质的替代品,用于牙的冠状和根状部分。
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引用次数: 34
期刊
JBR Journal of Interdisciplinary Medicine and Dental Science
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