998 resultados para Colagem Dentária


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Odontologia - FOA

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A presente invenção provê uma formulação dentifricia "líquida" (gel fluido) com baixa concentração de flúor e pH reduzido, de forma a aumentar a eficácia do produto no controle da cárie dentária e diminuir o risco de ocorrência da fluorose dentária.

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Os dentifrícios fluoretados são efetivos no controle da cárie dentária, porém aumentam a prevalência de fluorose dentária (diminuição da mineralização do esmalte e dentina do dente), quando utilizados em crianças menores de 6 anos de idade. A presente invenção provê uma formulação dentifrícia com reduzida concentração de flúor (500 ppm F) de forma a aumentar a eficácia do produto quando comparado aos dentifrícios comerciais já testados (1000 a 1500 ppm F) e diminuir o risco de ocorrência da fluorose dentária.

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This study presents the results of a cost-effectiveness analysis in a controlled clinical trial on the effectiveness of a modified glass ionomer resin sealant ( Vitremer, 3M ESPE) and the application of fluoride varnish (Duraphat, Colgate) on occlusal surfaces of first permanent molars in children 6-8 years of age (N = 268), according to caries risk (high versus low). Children were examined semiannually by the same calibrated dentist for 24 months after allocation in six groups: high and low risk controls (oral health education every three months); high and low risk with varnish (oral health education every three months + varnish biannually); and high and low risk with sealant (oral health education every three months + a single application of sealant). Economic analysis showed that sealing permanent first molars of high-risk schoolchildren showed a C/E ratio of US$ 119.80 per saved occlusal surface and an incremental C/E ratio of US$ 108.36 per additional saved occlusal surface. The study concluded that sealing permanent first molars of high-risk schoolchildren was the most cost-effective intervention.

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The nature of labor in advanced economies has presented a significant change lately. The technological process has resulted in the reduction of labor without content and the expansion of labor with higher qualification or schooling, a phenomenon that can be discussed by turning to Keynes and Marx. As far as Keynes is concerned, his foresight was that technological progress would generate a huge reduction of labor time and the expansion of leisure time. Since this did not occur, the failure may be attributed to the fact of having worked with opposition between labor without content and leisure. Thus, it was not possible to capture the historical changes in labor and man's relationship with it. Marx's viewpoint is completely different, because his opposition takes place between labor without content and activity labor, the latter impregnated with content and essential to the development of individualities. Therefore, present reality has a greater identification with Marx and presents major challenges to capitalism and its critique.

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Pós-graduação em Medicina Veterinária - FMVZ

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Pós-graduação em Odontologia Restauradora - ICT

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Pós-graduação em Ciências Odontológicas - FOAR

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The study of the dental pulp can be extended from factors related to its aggression to those related to new concepts of regeneration. The purpose of this compilation of studies is to present the evolution of a research subject from damage to repair. Innitially, studies will demonstrate the ability of dental procedures to generate heat and consequently affect the dental pulp. In sequence, studies will also present some effects of different pulp capping materials on dental pulp cells, related to the cytotoxicity of these materials and inflammatory potential. Finally, as the subject is emmerging and gaining importance in the literature, this compilation will present data from recent studies on the role of dental pulp progenitor cells in the regeneration and repair of dental pulp, as well as an alternative for a scaffold that could be used for clinical translation of research in the field. In summary, dentists must be aware of these different aspects and that the knowledge on factors and mechanisms involved in the aggression of the dental pulp can also serve as basis for understanding aspects for regeneration.