142 resultados para Lacunas


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Diabetes is a metabolic disease that affects the dental pulp due to some local changes. Before this information, a research through literature was made with the purpose to study the interrelation between pulp infections and diabetes. We analyzed several articles that described researches involving animals and they showed that there is a relation between diabetes and size, progression and severity of the periradicular lesions. There is evidence that diabetes is an important factor over the oral tissue, causing alterations in the inflammatory mediators and changing the structure of the pulp. Although many studies prove that there is an interrelation between diabetes and pulp infections, there are still some gaps in the current literature that need to be filled.

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Tooth bleaching is the most common treatment and more conservative to get a smile with white teeth. However, the tooth sensitivity has been a major adverse effects caused by this treatment, which raises questions about the effect of bleaching the pulp. Therefore, we performed a literature review in order to study the relationship between bleaching agents and their possible effects on the dental pulp. We review various articles showing that the peroxide compound used to whiten teeth, penetrates through enamel and dentin until the pulp chamber causing changes of variable intensity or induce pulp necrosis. Moreover, we found that the higher the concentration of peroxide in the bleaching agent, and the greater the contact time with this dental structure, the greater the damage caused in the pulp. Although several studies show that the bleaching agent hydrogen peroxide-based pulp can make changes, there are still many gaps to be filled.

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Pós-graduação em Educação Sexual - FCLAR

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Matemática em Rede Nacional - IBILCE

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This work presents a partial analysis of the implementation of a didactic sequence aimed at undergraduate students of quantum chemistry. The sequence develops on some fundamental concepts to understand the behavior of the objects particles and waves in the doubleslit experiment. The analysis is based on the didactic transposition theory, proposed by Yves Chevallard, which allows reflection upon the scientific knowledge reorganized to be used in teaching contexts. Our interest in this study lays on the dynamics of transposition of knowledge-to-be-taught into knowledge-taught, particularly the importance of making concepts more comprehensible. Results showed that the communication of knowledge by the students is presented with interruptions, gaps and colloquial language. The analysis allowed the identification of needs and possibilities of learning, as well as a turn in the teacher practice, through a dynamic process of action and reflection.

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This study aimed to review articles about BDD published from 1980 to 2008, indexed in Lilacs, Francis, Scielo, Psychinfo and Ovid's databases. The main categories of analysis in the study were bibliography, method, results and their specifications. Among the results it is emphasized the considerable increase of publications from 1996 on and the low frequency of national publications on this topic. The articles consulted were mostly of characterization, their designs were more frequent as the non-experimental and experimental and used the verbal report as the main source of data collection. The results of the investigated studies focus mainly the typical behaviors and characteristics of the population diagnosed with BDD. This paper discusses the articles consulted, their contributions to the area and knowledge gaps.

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This research leads to a meta-analysis of scientific production in energy efficiency in industrial sectors, recorded in ten (10) leading journals in Administration and Engineering Production in Brazil, between 2001 and 2011. To this end, this scholarship was examined based on the following parameters: a) the total contribution and journal articles, b) methods used in studies, and c) the theoretical gaps to exploit. The diagnosis is that one infers: academic work in energy efficiency industries accounted for only twenty-nine (29) published articles, and only eight (8) have energy efficiency as a central theme of the work. Although the results still showed a rising trend in the number of publications since the last five (5) years analyzed showed 65.5% of all published files relating to energy efficiency. It contributes, therefore, the systematization of the academic production in the area of energy efficiency and business subsidies are provided for this field of research in Brazil.

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O resgate da história e da memória do design gráfico brasileiro ainda possui algumas lacunas, pois muitos profissionais, seus projetos e obras não são lembrados ou ainda não foram estudados e registrados, deixando uma lacuna na história gráfico-visual de nosso país. Este artigo pretende contribuir nesse sentido, resgatando as capas de livros projetadas por Vicente Di Grado. Designer gráfico, artista plástico e docente, Di Grado (1922-2005) atuou como principal capista para a Editora Clube do Livro entre as décadas de 1950 e 1970, sendo seu maior período de produção a década de 1960, justamente o objeto deste estudo. Pelo conjunto de seu trabalho, recebeu o Prêmio Jabuti em 1963. Sua obra representa uma grande fonte de elementos e referências gráficas, além de ter marcado a linguagem editorial da Editora Clube do Livro.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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This study aimed at investigating, in the national and international scientific literature, how aromatherapy is used as a therapeutic tool to reduce anxiety. It is a bibliographic study that adopted integrative literature review as a method. Studies published on databases Scielo, Medline and Cinahl from 2008 to 2012 were selected. A sample of 20 scientific articles was analyzed, and of these, 13 had an experimental and a quasi--experimental design whereas 07 were systematic or integrative reviews. The synthesis of knowledge sho-wed that aromatherapy represents a safe therapeutic practice although it is still underestimated in health care practices. The construction of evidence levels was not possible due to discrepancies in the studied populations, in research designs, the various essential oils used and the different methods for aromatherapy application. The knowledge gaps identified in these studies are related to the need to develop new forms to evaluate the effectiveness of this practice, including the therapist-patient relationship and the different communication forms that are intrinsic to aromatherapy.