Cutting Instrument
Mostrando 1-12 de 14 artigos, teses e dissertações.
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1. Effect of Solid-State Laser Parameters on the Surface's Topography Formation During Texturization of Hard Metal Cutting Tools
ABSTRACT: The objective of this paper is to analyze the influence of specific laser system parameters on the microstructure of the ring formation process on the hard metal tool's surface. The parameters analyzed were: working distance, incident beam power and tool surface treatment, flank and rake. The microstructures were analyzed with regard to its diamete
J. Aerosp. Technol. Manag.. Publicado em: 2015-03
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2. Eficiência de corte de instrumentos rotatórios de níquel-titânio para alargamento cervical de canais radiculares : análise em estereomicroscopia, perfilometria e microtomografia computadorizada
This study aimed to: evaluate, using different methods and substrates, the cutting efficiency of nickel-titanium rotary instruments for coronal flaring; investigate the influence of rotational speed and number of uses on the cutting efficiency of such instruments; observe the presence of surface defects. First, bovine dentin blocks (n=20) and acrylic blocks
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 07/11/2012
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3. Geometric and dimensional characteristics of simulated curved canals prepared with proTaper instruments
OBJECTIVE: This study identified which regions of ProTaper instruments work during curved root canal instrumentation. MATERIAL AND METHODS: Twelve ProTaper instruments of each type, S1, S2, F1, and F2, were assessed morphometrically by measuring tip angle, tip length, tip diameter, length of each pitch along the cutting blades, and instrument diameter at eac
Journal of Applied Oral Science. Publicado em: 2010-02
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4. Desenvolvimento de um programa computacional para a integraÃÃo de dados de projeto, fabricaÃÃo e mediÃÃo de peÃas torneadas com Ãnfase na sÃntese de tolerÃncias dimensionais determinÃsticas
The objective of this work was to develop a computer program called Manufacturing Management System â SGF developed with the Excel language. This software integrates three stages: design, manufacturing by machining and measurement. So, itâs divided in three different and independent modules: design, manufacturing and measurement. In the design module is pr
Publicado em: 2009
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5. E a vida, como vai?: avaliação da qualidade de vida de um grupo de idosos portadores de doenças crônicas não transmissíveis vinculados a um programa de promoção da saúde
The Brazilian Supplemental Health System, due to its compulsory legislation, aiming for an improved innovative health service, as well as cost cutting, has been implementing programs of health improvement, disease, and risk prevention. These programs were based on demographic and epidemiological data that show that non transmissible chronic diseases are thor
Publicado em: 2009
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6. Cortando as asas do nazismo: representações e imaginário sobre o nazismo na revista Vida Policial (1942-1944)
As a mass comunication, the magazine Vida Policial (police life) constituted an important instrument of the Central Police Department for the ideological and authoritarian consolidation of the Estado Novo (New State) in Rio Grande do Sul, determining, among other objectivs, the social individuals actions against supposed enemies that represented plausible th
Publicado em: 2008
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7. O idoso e as ações sociais em prol desse grupo etário: um estudo sobre a qualidade de vida na Terceira Idade e o Projeto Saúde e Cidadania na Melhor Idade
The present study regards an applied qualitative social research (descriptive) which approaches the matter between old age and Brazilian social actions performed in social projects, aiming a qualified life and citizenship for this group of age. The objective of the study is to evaluate the contribution of Project Health and Citizenship in Old Age regarding s
Publicado em: 2008
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8. Bond strength of resin modified glass ionomer cement to primary dentin after cutting with different bur types and dentin conditioning
The aim of this in vitro study was to evaluate the effect of different bur types and acid etching protocols on the shear bond strength (SBS) of a resin modified glass ionomer cement (RM-GIC) to primary dentin. Forty-eight clinically sound human primary molars were selected and randomly assigned to four groups (n=12). In G1, the lingual surface of the teeth w
Journal of Applied Oral Science. Publicado em: 2007-10
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9. Legal aspects regarding the buffer zone of protected areas: case study of Assis Ecological Station (São Paulo State, Brazil) / Análise dos aspectos jurídicos correlatos à zona de amortecimento de unidades de conservação: estudo de caso da Estação Ecológica de Assis (SP)
Buffer zones of the natural reserves have been considered as the most powerful instrument to prevent environmental impacts to the ecosystems coming from the neighboring areas. Their efficacy, however, is controvertible and that was the subject of the present case study, concerning to Assis Ecological Station, an integrally protected reserve from the Forestry
Publicado em: 2007
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10. Influência de diferentes métodos de preparo e sistema adesivo na resistência máxima de adesão à dentina bovina e humana
Este trabalho tem como objetivo avaliar resistência adesiva, por meio de ensaio de microtração (μTBS), de sistema adesivo convencional e auto-condicionante à dentina bovina preparada com broca carbide, ponta diamantada e ponta CVDentus; e avaliar resistência adesiva, por meio de ensaio de microtração, de sistema adesivo convencional e auto-condic
Publicado em: 2007
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11. Atitude do cirurgião dentista frente ao atendimento de pacientes HIV positivos em salvador.
The objective of this study was to evaluate the attitude of Dentists in the city of Salvador, BA, in the face of the treatment of patients with Human Immunodeficiency Virus(HIV), as well their knowledge of the probability of contamination and primary care subsequent to an accident with a cutting instrument. It deals about a cross-sectional study involving a
Publicado em: 2006
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12. O comércio internacional da carne bovina brasileira e a indústria frigorífica exportadora
The cutting bovine livestock has a privileged position in the Brazilian economy and its international trade. The beef world market went through significant transformations during the last decade. From 2004 on, Brazil surpasses Australia as the largest beef exporter in the world. The conquer of new markets contributes to absorb the constant growing of product
Publicado em: 2006