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Integration of function, aesthetics and patients’ personal preferences in the prosthetic treatment planning 在假体治疗计划中整合功能、美观和患者个人喜好
Pub Date : 2017-12-01 DOI: 10.1515/sdj-2017-0020
G. Iliev
Abstract Introduction Optimal aesthetic results require suitable smile design that fulfils patient’s expectations. Psychological importance of teeth appearance is clear and often discussed in relation to the success of prosthetic treatment. The objective of this article was to present methodology for creating customized smile design using the Visagismile concept and evaluate aesthetic satisfaction with prosthetic treatment. Case report A 52-year-old female patient required complete esthetical dental mouth reconstruction. Digital planning software (Visagismile) provided dentists and technicians a 2D preview of the final design that relates facial perception and personality of the patient. The latest innovation of used software in addition to documents that dentists send for the Visagismile application is that they need to send an intraoral 3D scan of the patients mouth (with any scanner) and define the length and position of incisal edges of the central incisors. This information as a STL file is sent to new Visagismile/REBEL center that is actually a digital lab, that converts 2D designs created by the Visagismile concept into 3D and create a digital wax up immediately. Conclusions Visagismile concept supports both dentist and patient in deciding the aesthetics of the prosthetic restoration. The total coefficient of the assessment of patients for the final aesthetic result was highly satisfactory. Using the proposed methodology, a smile design corresponding to individual facial features, temperament and personal preferences of the patient can be reproduced.
摘要:最佳的美容效果需要合适的微笑设计,以满足患者的期望。牙齿外观的心理重要性是明确的,并且经常讨论与假体治疗成功的关系。本文的目的是介绍使用Visagismile概念创建定制微笑设计的方法,并评估假体治疗的美学满意度。病例报告一例52岁女性患者需要完整的口腔美容重建。数字规划软件(Visagismile)为牙医和技术人员提供了最终设计的2D预览,该设计将面部感知和患者的个性联系起来。除了牙医为Visagismile应用程序发送的文件外,最新的使用软件创新是,他们需要发送患者口腔内的3D扫描(使用任何扫描仪),并定义中门牙的切边缘的长度和位置。该信息作为STL文件发送到新的Visagismile/REBEL中心,该中心实际上是一个数字实验室,将Visagismile概念创建的2D设计转换为3D,并立即创建数字蜡。结论Visagismile概念支持了牙医和患者对义肢修复美学的决定。患者评价的总系数对最终的美容效果非常满意。利用所提出的方法,可以再现与患者个人面部特征、气质和个人偏好相对应的微笑设计。
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引用次数: 0
Effects of radiotherapy on oral cavity tissues 放疗对口腔组织的影响
Pub Date : 2017-12-01 DOI: 10.1515/sdj-2017-0017
M. Dožić, S. Stojanovic-Rundic, V. Plešinac-Karapandžić, Srđan Milanović, N. Milošević
Abstract Radiotherapy in the treatment of head and neck tumors is most often used as an independent method or in combination with surgery and / or chemotherapy. These therapeutic methods in a multidisciplinary approach generally lead to favourable therapeutic response. During radiotherapy of this region, oral mucosa is inevitably covered within irradiated volume. Radical therapy is achieved with high doses of radiation, which usually results in development of undesired toxic effects, which, depending on the time of manifestation can be acute and late. Acute radiation toxicity occurs during or immediately after completion of performed therapy, and the late one several months or years after the completed treatment. The most common acute complications in the oral cavity are inflammation of oral mucosa, loss of taste, dry mouth and secondary infections. Late complications include radiation caries, trismus, and osteoradionecrosis. The aim of this paper was to present the effects and specificities of toxicity observed on oral cavity tissues after radiotherapy.
放疗在头颈部肿瘤的治疗中最常作为一种独立的方法或与手术和/或化疗联合使用。这些多学科的治疗方法通常会导致良好的治疗反应。在该区域放射治疗时,不可避免地在照射体积内覆盖口腔黏膜。根治性治疗是通过高剂量的放射来实现的,这通常会导致不希望的毒性作用的发展,这取决于表现的时间,可能是急性的和晚期的。急性放射毒性发生在治疗期间或完成后立即发生,晚期发生在治疗完成后数月或数年。口腔最常见的急性并发症是口腔黏膜炎症、味觉丧失、口干和继发感染。晚期并发症包括放射性龋齿、牙关和放射性骨坏死。本文的目的是介绍放射治疗后口腔组织毒性的影响和特异性。
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引用次数: 0
Decoronation as an option for ridge preservation prior to implant placement 在种植体放置之前,装饰作为牙脊保存的一种选择
Pub Date : 2017-12-01 DOI: 10.1515/sdj-2017-0019
M. Dragovic, M. Pejović, Jelena Stepić, Svetlana Dragović, S. Čolić
Abstract Decoronation is a surgical procedure based on idea of sectioning tooth crown and maintaining the root in situ with intention to preclude occurrence of severe deformities of bone and soft tissue which may aggravate later rehabilitation of patient. The aim of this report is to present the use of decoronation in a young adult patient as a solution in order to preserve sufficient amount of bone for delayed implant placement and decrease volume of grafting material to a minimum. Obtained results showed this procedure may greatly improve anatomical conditions for implant placement while reducing invasiveness and required financial means.
摘要:整复是一种以切断牙冠,保持牙根原位为目的,防止患者发生严重的骨、软组织畸形,从而加重患者后期康复的手术方法。本报告的目的是介绍在年轻成人患者中使用装饰作为一种解决方案,以保留足够的骨量用于延迟种植体的放置,并将移植材料的体积减少到最小。获得的结果表明,这种方法可以大大改善种植体放置的解剖条件,同时减少侵入性和所需的经济手段。
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引用次数: 0
The evolution of articulators – part I 发音器的演化-第一部分
Pub Date : 2017-09-01 DOI: 10.1515/sdj-2017-0015
N. Mann, Neeta Pasricha, Kavipal Singh, N. Mann
Summary One of the objectives of prosthetic dentistry is to restore teeth in harmony with temporo-mandibular joints. Articulator is a device that allows an operator to fabricate a restoration that will be physiologically and psychologically successful. But how much do we really know about the origin of articulators? First articulator designs attempted to duplicate anatomic relationships and functional movements. More sophisticated articulators evolved as more new knowledge about anatomy, mandibular movements and mechanical principles were obtained. The aim of this article was to describe the origin, history and evolution of articulators through the years. For this article, an electronic search was performed across three databases (Science Direct, PubMed and Google Scholar) for relevant citations. Keywords such as articulators, history, early articulators were used alone and in combination for the search. The option of “related articles” was also utilized. Finally, search was performed on the review articles and the most relevant papers were selected.
义齿修复的目标之一是恢复牙齿与颞下颌关节的和谐。关节器是一种设备,它允许操作者制造一个在生理和心理上都成功的修复。但是我们对发音器的起源到底了解多少呢?最初的关节设计试图复制解剖关系和功能运动。随着解剖学、下颌运动和机械原理的新知识的获得,更复杂的发音器进化了。这篇文章的目的是描述起源,历史和演变的发音。对于本文,在三个数据库(Science Direct、PubMed和Google Scholar)中执行了相关引文的电子搜索。关键词如发音器、历史、早期发音器单独或组合使用进行搜索。还使用了“有关文章”选项。最后对综述文章进行检索,选出最相关的论文。
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引用次数: 0
Forensic Dentistry – the key to the truth 法医牙科——揭开真相的钥匙
Pub Date : 2017-09-01 DOI: 10.1515/sdj-2017-0011
V. Spirov, O. Dimitrovski, Ž. Menceva, A. Duma, Zlatko Jakjovski
Summary Introduction Human organism can be identified through testing and analysis of DNA sequences. The most common source of DNA for analysis is blood, soft tissues, hair, bones and teeth. Teeth represent a tissue of choice for analysis in those cases where there is high degree of degradation of other tissues. Hard tooth structure provides protection and preservation of DNA molecules. The aim was to investigate which group of teeth and dental tissue (pulp or hard dental tissues) has the greatest amount of DNA. Material and method Forty-five extracted teeth were analyzed. In the first examination 30 teeth were divided into the three groups (10 teeth each): first group were incisors, second premolars and third molars. The teeth were measured before and after the procedure of DNA isolation using special scale with precision of 0.02-0.000005ng. The procedure included grinding teeth in a blender and DNA isolation using commercial kits (isolation with magnetic particles). For the second test 15 teeth divided into two groups were used. In the first group isolation of DNA molecules was performed from pulp tissue, and in the second group from hard dental tissues. The quantification of samples was done with Quantifiler® Duo DNA Quantification Kit by Applied Biosystems. Results The greatest amount of DNA was obtained from molars (0.230011ng/μl/g) while the smallest amount of DNA was obtained from incisors and it was 0.06437ng/μl/g. In addition, the amount of DNA isolated from pulp tissue was significantly greater than that from hard dental tissues (pulp of molars obtained quantitatively the largest amount of DNA). Conclusion Main tissue to be used for the isolation of DNA from a tooth is pulp, but in those cases when it is not present (endodontic treatment), hard dental tissues provide sufficient quantity of DNA for identification procedures. The group of teeth that provides the greatest amount of DNA is molars.
人类有机体可以通过测试和分析DNA序列来鉴定。用于分析的DNA最常见的来源是血液、软组织、头发、骨骼和牙齿。在其他组织高度退化的情况下,牙齿是分析的选择组织。坚硬的牙齿结构提供保护和保存DNA分子。目的是调查哪组牙齿和牙齿组织(牙髓或硬牙组织)含有最多的DNA。材料与方法对45颗拔牙进行分析。第一次检查30颗牙分为三组(每组10颗牙):第一组为门牙、第二前磨牙和第三磨牙。DNA分离前后用专用比例尺测定,精度为0.02 ~ 0.000005ng。该过程包括在搅拌器中磨牙和使用商业试剂盒(磁性颗粒分离)进行DNA分离。在第二次测试中,15颗牙齿被分为两组。第一组从牙髓组织中分离DNA分子,第二组从牙硬组织中分离DNA分子。使用Applied Biosystems公司的Quantifiler®Duo DNA定量试剂盒对样品进行定量。结果磨牙DNA含量最高,为0.230011ng/μl/g;门牙DNA含量最低,为0.06437ng/μl/g;此外,从牙髓组织中分离出的DNA数量明显大于从牙硬组织中分离出的DNA数量(臼齿牙髓中获得的DNA数量最多)。结论牙髓是分离牙髓DNA的主要组织,但在牙髓不存在的情况下(牙髓治疗),牙硬组织为鉴定程序提供了足够数量的DNA。提供最多DNA的一组牙齿是臼齿。
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引用次数: 0
Oral health related habits, knowledge and attittude in children with asthma 哮喘患儿口腔卫生相关习惯、知识和态度
Pub Date : 2017-09-01 DOI: 10.1515/sdj-2017-0012
Bojana Davidovic, M. Ivanović, D. Bokonjić, S. Jankovic, Igor Radovic, Jelena Lečić
Summary Introduction The aim of this research was to determine oral hygiene related habits, knowledge and behavior in children with asthma compared to healthy children. Methodology This study included 136 children, between 6 to 16 years of age, divided into the two groups. The first group included children with asthma (study group - SG), while the second included healthy children (control group - CG). A questionnaire containing three groups of questions related to oral-hygiene and dietery habits as well as oral health related behaviour in children was prepared. Results The percentage of children from SG that brush teeth several times a day was 60.2% compared to 77.2% of CG children (p<0.05). 19.1% of SG group children versus 38.2% of CG children brush their teeth longer than 2 minutes (p<0.05). There was no significant difference in the level of knowledge about plaque impact on oral health between the two groups (p>0.05). More than half (52.9%) of CG respondents regularly visit dentist, while 50.0% of SG goes regularly (p<0.01). 51.5% of CG children visit the pediatric dentist due to preventive reasons, while SG children goes mainly due to rehabilitation of teeth (42.6%). The fear of dental procedures is more pronounced in SG compared to CG children (p<0.001). Conclusion Oral hygiene related habits and oral health behavior were worse in children with asthma, while no difference was found in relation to the knowledge among the observed groups.
本研究的目的是确定与健康儿童相比,哮喘儿童的口腔卫生相关的习惯、知识和行为。本研究包括136名6至16岁的儿童,分为两组。第一组为哮喘儿童(研究组- SG),第二组为健康儿童(对照组- CG)。编写了一份问卷,其中包含与儿童口腔卫生和饮食习惯以及与口腔卫生有关的行为有关的三组问题。结果SG组儿童每天刷牙数次的比例为60.2%,而CG组为77.2% (p < 0.05)。超过一半(52.9%)的CG受访者定期看牙医,而50.0%的SG受访者定期看牙医(p<0.01)。51.5%的CG儿童因预防原因去看儿科牙医,而42.6%的SG儿童主要因牙齿康复去看牙医。与CG儿童相比,SG儿童对牙科手术的恐惧更为明显(p<0.001)。结论哮喘患儿口腔卫生相关习惯和口腔卫生行为较差,但观察组间口腔卫生知识知晓程度无显著差异。
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引用次数: 1
Combined surgical and orthodontic treatment of impacted second lower premolar – Case report 手术与正畸联合治疗第二下前磨牙阻生1例
Pub Date : 2017-09-01 DOI: 10.1515/sdj-2017-0013
Ivana Šimić, Tanja Domazet, Jelena Lečić, Jelena Ješić
Summary Impacted tooth is a tooth that has failed to reach occlusal plane, with 2/3 of completed root growth. There are various reasons for teeth impaction, however, lack of space for its emergence is considered to be the main reason. The most commonly impacted teeth are lower wisdom teeth, then upper wisdom teeth, upper canines, and less frequently lower premolars. There are only few studies that have addressed the issue of impacted lower premolars, their etiology, prevalence and treatment. The patient (22 years old) visited orthodontst for the lower jaw aesthetic teeth corrections, due to crowding. Ortopantomography analysis revealed impacted lower right second premolar that caused resorption of mesial root of the first molar. The treatment plan included tooth #46 extraction and placing orthodontic brackets on the impacted second premolar. The next step was extrusion of the tooth #45, its introduction to occlusal plane and orthodontic treatment resumption. Orthodontic treatment of impacted teeth with fixed orthodontic appliance provides excellent therapeutic results. The treatment success depends primarily on adequate planning, cooperation and joint work of oral surgery and orthodontic specialists.
阻生牙是指牙根生长完成的三分之二未达到咬合平面的牙。牙齿嵌塞的原因有很多,但牙嵌塞出现的空间不足被认为是主要原因。最常见的阻生牙齿是下智齿,然后是上智齿,上犬齿,以及不太常见的下前臼齿。只有很少的研究已经解决了下前磨牙的问题,其病因,患病率和治疗。患者(22岁)由于拥挤,前往正畸医生进行下颌美容牙齿矫正。正体层析分析显示右下第二前磨牙阻生导致第一磨牙近中根吸收。治疗计划包括拔牙46号并在阻生的第二前磨牙上放置正畸托槽。下一步是挤出45号牙,将其引入咬合平面,恢复正畸治疗。固定式正畸矫治器对阻生牙的治疗效果良好。治疗的成功主要取决于口腔外科和正畸专家的充分计划、合作和共同工作。
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引用次数: 0
Various methods of 3D and Bio-printing 3D和生物打印的各种方法
Pub Date : 2017-09-01 DOI: 10.1515/sdj-2017-0014
V. Jokanović, B. Čolović, Đorđe Antonijević, M. Micic, S. Živković
Summary There is growing need for synthetic tissue replacement materials designed in a way that mimic complex structure of tissues and organs. Among various methods for fabrication of implants (scaffolds), 3D printing is very powerful technique because it enables creation of scaffolds with complex internal structures and high resolution, based on medical data sets. This method allows fabrication of scaffolds with desired macro- and micro-porosity and fully interconnected pore network. Rapid development of 3D printing technologies has enabled various applications from the creation of anatomical training models for complex surgical procedures to the printing of tissue engineering constructs. The aim of current investigations was to develop compatible printers and materials (bioinks) to obtain biomimetic scaffolds, which allow printing of living cells without significant loss of cell viability. The advanced level of such printing assumes “in situ” printing, i.e. printing cells and biomaterials directly onto or in a patient that will reduce recovery time.
对模拟复杂组织和器官结构的合成组织替代材料的需求日益增长。在制造植入物(支架)的各种方法中,3D打印是一种非常强大的技术,因为它可以根据医疗数据集创建具有复杂内部结构和高分辨率的支架。这种方法允许制造具有所需的宏观和微观孔隙率和完全互连的孔隙网络的支架。3D打印技术的快速发展使各种应用成为可能,从复杂外科手术的解剖训练模型的创建到组织工程结构的打印。目前研究的目的是开发兼容的打印机和材料(生物墨水),以获得仿生支架,使打印活细胞而不显着丧失细胞活力。这种打印的高级水平是“原位”打印,即直接将细胞和生物材料打印到患者身上或患者体内,从而缩短恢复时间。
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引用次数: 2
Minimally invasive restorative treatment with direct composite veneers – case report 直接复合贴面微创修复治疗1例
Pub Date : 2017-06-01 DOI: 10.1515/sdj-2017-0009
S. Apostolska, V. Rendžova, M. Eftimoska, Vesna Filipovska, S. Elenchevski, N. Janeva
Summary Esthetic and minimally invasive restorative techniques are current topics in dentistry. Introduction of modern composite materials and adhesive technology provided numerous options for design of esthetic restorations without invasive teeth preparation common for traditional prostodontic restorations. Modern esthetic dentistry can provide solutions for simple as well as complex cases by implementation of various alternatives.
美学和微创修复技术是目前牙科研究的主题。现代复合材料和粘接剂技术的引入,为设计美观的修复体提供了许多选择,而无需传统修复体中常见的侵入性牙齿准备。现代美容牙科可以通过实施各种替代方案,为简单和复杂的病例提供解决方案。
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引用次数: 0
Dental anxiety and the status of first permanent molars in 11 and 15 years old children 牙科焦虑与11、15岁儿童第一恒磨牙的状况
Pub Date : 2017-06-01 DOI: 10.1515/sdj-2017-0007
Milka Kapuran, S. Jankovic, Bojana Davidovic, Jelena Lečić
Summary Introduction Fear of dental procedures is one of the main reasons for oral health neglect. The first permanent molars are functionally very important. Dental anxiety may compromise their health as well as the health of all other teeth. The aim of the study was to determine dental anxiety level and the status of first permanent molars in healthy school aged children. Methods This study included 105 students, 11 and 15 years of age, from two elementary schools in Foca (Bosnia and Herzegovina). Dental Anxiety Scale (DAS), questionnaire was used to determine the level of dental fear in patients. The status of first permanent molars was recorded using Klein-Palmer DMFT (decayed, missing, filling teeth) system. The number of healthy first permanent molars (with or without sealant) was registered as well. Results More than one third of respondents involved in this study (33.3%), suffered from severe dental anxiety (DAS = 13–20 points). Statistically significant difference in answers to questions was not observed between respondents of different age but higher level of the fear was registered in girls compared to boys (p < 0.05). Less than 50% of all examined first permanent molars were healthy and sealed fissures were recorded in 9.4% of them. The percentage of decayed molars was about 11%, 7% extracted and 35% filled. Conclusion Application of prophylactic measures is beneficial for dental health preservation. They are pain free and can be used to minimize fear by establishing dentist-patient relationship based on confidence.
对牙科手术的恐惧是口腔健康被忽视的主要原因之一。第一恒磨牙在功能上非常重要。牙齿焦虑可能会损害他们的健康以及其他牙齿的健康。本研究的目的是确定健康学龄儿童的牙齿焦虑水平和第一恒磨牙的状态。方法选取波斯尼亚和黑塞哥维那福卡市两所小学的105名11岁和15岁的学生为研究对象。采用牙科焦虑量表(DAS)和问卷调查法测定患者的牙科恐惧程度。使用Klein-Palmer DMFT(龋缺补牙)系统记录第一恒磨牙状态。健康第一恒磨牙(使用或不使用密封剂)的数量也被记录。结果超过三分之一(33.3%)的被调查者存在严重的牙齿焦虑(DAS = 13 ~ 20分)。不同年龄的被调查者对问题的回答差异无统计学意义,但女孩的恐惧程度高于男孩(p < 0.05)。在所有接受检查的第一恒磨牙中,不到50%的人是健康的,其中9.4%的人记录了封闭的裂缝。蛀牙占11%,拔牙占7%,补牙占35%。结论预防措施的应用有利于口腔保健。它们是无痛的,可以通过建立基于信任的牙医-病人关系来减少恐惧。
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引用次数: 1
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Stomatoloski glasnik Srbije
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