975 resultados para Descritores analíticos


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Educação para a Ciência - FC

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The design of implant structure is still a questioning to the professionals, while their variations can to influence of stress distribution favorably to bone. Therefore, the aim of study was to review addressing the topic of osseointegrated implants design establishing answers for the patient oral rehabilitation, according variations existing on the market. It was conducted a detailed search strategy by the PubMed/ Medline and Bireme, it was used as descriptors: “dental implants cylinder”; “dental implants thread”; “dental implants geometry”, until May 2014. From 798 articles, after review were selected 18 articles and 1 specific area book. The results were divided to compare design of implant and threads for further discussion and conclusions. Thus, conclude that the threads implants are best used because of its advantages with respect to the stress distribution and stability primary. The variations of the differents types of threads, have influence for stress distribution.

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Population aging and environmental protection have gained special importance after the economic, demographic and social recent changes. The objective of this paper was to promote theoretical and reflective review with emphasis on convergence between sustainable development and educational activities promoted by the University of the Third Age. We conducted a literature review to give full articles from the descriptors: aged, sustainable development indicators and environmental protection, published in English, Spanish and Portuguese, between January 1994 and June 2014, in national and international journals on the basis LiIlacs, Bireme and Medline. We used systematic data collection for sample analysis. The results indicate that the University of the Third Age develops teaching, research and extension, through actions based on aging and educational assumptions. In this context, environmental education is presented as a pedagogical process capable of awakening the critical capacity of the elderly, making it active social worker and leading him to a cultural design which ensures establishment of sustainable harmonious relationship with nature. It was concluded that the University of the Third Age contributes to initiatives that emphasize the relationships between systems and economic processes or social and natural processes, generating the construction of social values, knowledge, skills, attitudes and skills aimed at the conservation of the environment.

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The aim of his study was to review the current scientific literature in order to discuss the surgical, prosthetics and psychological/psychosocial aspects during the treatment planning of edentulous patients, when a total fixed prosthesis or overdenture is indicated. To identify studies to take part in this review, a search was conducted for the following databases: PubMed, Dentistry and Oral Sciences Source, Journals@Ovid, SpringerLink, Wiley Online Library, Nature (NPG), Oxford Journals. It was used as descriptors: total fixed prostheses and overdentures. Inclusion criteria were: clinical articles, clinical case reports, case series, literature reviews and systematic reviews that addressed the study and comparison of total fixed prostheses and overdentures for a surgical- prosthetic planning. Exclusion criteria were: laboratory and in vitro studies and those whose first language was not English or Portuguese. Of a total of 454 articles, after an analysis according to inclusion and exclusion criteria, 76 articles were selected. During an implantsupported prosthesis rehabilitation with dental in edentulous patients, the use of alternative procedures appear to be effective when compared to more invasive surgical techniques, and thus, the amount of dental implants possible to install associated with prosthetic issues such as lip support, smile line, quantity and quality of mucosa, phonetics, etc., will allow an appropriate treatment planning to each clinical case

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The demand for esthetic restorations has resulted in an increased use of dental ceramics and is the main alternative restorative material to tooth structure due to its favorable properties. Therefore, the aim of this work is to study the evolution of ceramic systems, involving different types and properties, indications, and clinical issues as aesthetic, cementing and longevity. In a detailed and advanced search in the database PubMed, 98 articles were found using the following key words: dental porcelain dental all-ceramic and ceramic according to the criteria for inclusion and exclusion left only 35 articles for review. Several ceramic systems are available in the market, making the prosthetic professionals need a constant recycling about their properties and directions, since good results are due to the selection of the best material for a particular case in all the skill of the practitioner.

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The maintenance of Implant-supported Prosthesis is essential to the success of dental implants. Therefore, the aim of the study was to conduct a review the literature addressing maintenance Implant-Supported Prosthesis in order to guide planning for the longevity of oral rehabilitation. We conducted a detailed search strategy for the Pubmed / Medline Dentistry and Oral Science, used as descriptors: “Oral Hygiene“ and “Dental Implant until July, 2013. The results were grouped together in topics (Clinical Exam and Oral Hygiene) and discussed. Conclusion: A regular maintenance program for oral patient implantprosthesis is essential to the longevity of the treatment. Different methods and devices are effective for cleansing. However one orientation (in writing) must be offered to patients, since inadequate cleaning can create regions of abrasion on the surfaces of abutments and dental implants.

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The identification and treatment of peri-implant infections are an essential stage in the maintenance of dental implants, reflecting the longevity of rehabilitation. Therefore, the aim of the study was to conduct a literature review addressing peri-implantitis in dental implants in order to guide planning for the longevity of oral rehabilitation. It was conducted a detailed search strategy by the PubMed / Medline Dentistry and Oral Science, it was used as descriptors: “peri-implantitis” and “Dental Implant”, until July 2013. From 566 articles, after a review, according to the inclusion criteria, 34 articles were selected. The results were grouped together in topics (concept, etiology, diagnosis, surgical and nonsurgical, and aspects of oral rehabilitation) for further discussion and conclusions. Conclusions: The accumulation of plaque has been associated with a higher propensity to peri-implantitis. There is a higher incidence of the peri-implantitis disease among patients with previous history of periodontal disease. The local administration of antibiotics and association with mouthwashes / topical use are indicated as suitable for the treatment of moderate peri-implantitis.

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OBJECTIVE: The aim of this study was to gather information and discuss the predictability of implant-supported prostheses in patients with bruxism by performing a literature review. METHODS: In order to select the studies included in this review, a detailed search was performed in PubMed and Medline databases, using the following key words: bruxism, dental implants, implant supported prosthesis, and dental restoration failure. Items that were included are: case reports, randomized controlled trials, in vitro studies, literature and systematic reviews, with or without meta-analysis, of the last 20 years that addressed the theme. Articles without abstracts, animal studies, articles in languages other than English and articles from journals unrelated to the dental field were excluded. RESULTS: after analysis according to inclusion and exclusion criteria, 28 articles were selected from a total of 54. It is known from the array of scientific articles which have assessed, either through retrospective, prospective or experimental studies, that the biomechanical and biological impact of bruxism on implant-supported prostheses is small, and that the literature has contributed little to exemplify the prosthetic limits of safety for the specialist from a clinical point of view. CONCLUSION: Although there is still no general consensus on this matter, most of the literature review articles do provide clinical guidelines that contribute to implant supported prostheses longevity and stability in patients with bruxism.

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The aim of this study was to review the current scientific literature to discuss the biomechanical behavior and characteristics inherent to both cast post and core and the prefabricated posts used in the practice of restoring endodontically treated teeth. To identify studies of this review, it was performed a detailed and advanced search strategy to the databases PubMed and Medline. It was used as descriptors: endodontically treated teeth, post, core, fiber post and metal post. Inclusion criteria were: clinical trials, randomized controlled trials, in vitro studies, literature reviews and systematic reviews with or without meta-analysis of the last 10 years that addressed the theme. Exclusion criteria were: articles without abstracts, animal studies, articles whose language was not English and articles from journals that do not belong to the Dentistry field. Of a total of 35 articles, after an analysis according to inclusion and exclusion criteria, 23 articles were selected. Most of the current scientific literature indicates that the prefabricated fiber reinforced and ceramic posts should be appointed for endodontically treated teeth that have a minimum height of 2mm ferrule. As for the cast metal cores, along with pre-fabricated metal represent a good prosthetic option, when weakened teeth have to be restored for any reason. Despite the large number of studies, there is still a lack of longterm prospective studies that evaluate the effectiveness of these posts in the treatment of endodontically treated teeth.

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The purpose of current implantology is to ensure that implants maintain its state of full health, proper function and aesthetics. The aim of this paper is to discuss, through a literature review, the importance of keratinized mucosa in relation to cleaning, gingival maintenance, aesthetics involving dentistry implant and evaluating some options to provide a keratinized mucosa when it is insufficient. For the studies identification, it is included or considered in this review, Pubmed database with the following keywords: implant and mouth mucosa and, according to the criteria for inclusion and exclusion, 27 articles were selected. According to the reviewed articles, it was found that the keratinized tissue does not influence the survival of the implant, but it facilitates the cleaning, decreases the irritation of the peri-implant tissues and promotes aesthetics in anterior regions.