982 resultados para Aspereza de superfície (Odontologia)


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The aim of the present study was to verify, through the response surface methodology, the optimum conditions for the combined use of aqueous extract of white lupine (Lupinus albus L.) and tropical pitanga juice (Eugenia unifl ora L.) in the development of a drink. Therefore, the independent variables were represented by the volume of aqueous extract of lupine (mL) and by the volume of pitanga juice (mL). The dependent variables (responses) were obtained through sensory test of acceptance (“appearance”, “aroma”, “taste” and “overall acceptability”). The combined optimization of the variables pointed the second formulation (50mL of aqueous extract of lupine and 30mL of pitanga juice) of the experimental project as the most adequate. In conclusion it was possible to get a drink with attractive sensory characteristics using aqueous extract of white lupine and tropical pitanga juice. The usage of response surface methodology made possible the determination of regions of maximum acceptance for each attribute evaluated in the formulation of a drink with aqueous extract of white lupine and pitanga juice, with a minimum of tests.

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Bone is a specialized connective tissue, vascular and dynamic changes over the life of the organism. When injured, has a unique ability to regenerate and repair without the presence of scars, but in some situations due to the size of the defect, the bone tissue does not regenerate so completely, it is necessary to carry out bone grafting procedures. Considering there are various types of grafts and various donor sites. Thus, the aim of this study was to review the literature to some type of graft most commonly used in dentistry. Given the importance of bone reconstruction in oral and maxillofacial surgery, it is necessary to know the viability and influence of biomaterials, or not associated with autogenous grafts in bone repair. Even this, with many qualities, but further studies should be done to achieve each day, a synthetic material compatible with bone tissue lost in adequate amounts without requiring extra-oral surgeries that are considered to be devoted to higher morbidity.

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Aim: The present study investigated the fees paid by dental insurance companies to dental surgeons, referrent to groups of dental procedures. Materials and Methods: The fees offered by dental insurance companies were defined according to the average values from the price tables of 5 insurance plans that offered national coverage. These average values and the values paid by the Brazilian Unified Health System (SUS) were compared with those set forth in the VRCC table from Brazilian Federal Dental Council (CFO). For comparison, average values were obtained for the following groups of procedures: preventive, aesthetic, endodontic, and surgical. The values of these preventive procedures were compared with other groups of procedures. Results: The plans applied an average discount of approximately 54.51% upon the prices suggested in the CFO price list. The highest discount was observed within the group of preventive procedures (57.09%, on average). Conclusion: The evaluated health insurance companies in vestigated in the present study are applying an abusive discount upon the prices suggested in the CFO price list. It's necessary to identify alternatives to reverse this situation.

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Pós-graduação em Odontologia Restauradora - ICT

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É descrita a invenção de um método de modificação da superfície 5 de ligas de titânio empregando a oxidação anódica em ligas de Ti- 30Ta e Ti-7,5Mo para a obtenção de nanotubos perpendiculares ao substrato com diâmetro de 80-120 nm e comprimento de 100 nm-500 nm.

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Graphic Design is a profession established with advent artistic vanguards of the twentieth century. As professional activity, it works with planning and projects which involve the visual solution of communication and information problems. Then, The Surface Design is the professional practice pledged with the elaboration of projects for coatings and application in products, giving attention to the production and materials in the processes. The relation between both Design areas is connected, at first, by the two-dimensional characteristic. In Brazil, academic study about Surface Design is in evolution and some universities works with this subject. Analyzing the concepts and characteristics concerning methodologies that comprehend both Graphic Design and Surface Design becomes a current and including subject. Therefore, it is necessary the conceptual unfolding and methodological in order to establish relations and contributions involved in the field of Graphic Design and apply them in Surface Design. Thus, the present study aimed to check concepts and particular functions of Graphic Design and to establish its relations and contributions for Surface Design. The results of this study can be used as teaching support and professional practice.

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This paper reports the stage of a research on the corporate identity in commercial buildings. The objective of the research is to develop a system that aims to help the designer to enhance the transmission of the brand identity on the construction. At this step, we looked for the ascertainment of the variables that contribute to it in buildings considered as icons of brand identification in the building. And this paper also presents an analysis of a flagship located in Tokyo, from the Dior brand, which we used Surface Design techniques, combining cultural studies to geometric modeling, to Gestalt and Semiotics.

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This article narrates from experiences in the classroom, the use of visual perception in the search for the solution of a basic problem of modular repetition, embodied by the lack of continuity in the elements that shape the design surface. Although Wong (1998) approach emphasizes the intuitive and intellectual approach as different parameters for building visual compositions, we list both as participants in the same focus, where the solution starts from the sensory stimulation.

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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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The activation of aluminum surface has the most various purposes as for example the search for the surface activation mechanism and the corrosion products by mercury ions. The objective of this work is to study the reactivity of the surface of aluminum metal when activated by mercury ions (Hg2+), with the consequent formation of an Al-Hg amalgam. Results demonstrate that the kinetics of the reaction, by measuring the mass change with time of the corrosion product formed between Al and Hg, and analysis by infrared spectroscopy (IR) that the product of the reaction between the amalgam, located on the surface, and the atmospheric oxygen is Al2O3 (aluminum hydroxide). The results also indicate that the kinetics of the reaction between the amalgam (Hg-Al) and atmospheric oxygen is of first order and reach a region where there is no more formation of product