Past Issue

Despite manufacturers' efforts to develop and commercialize new universal adhesives, it remains to be clarified which bonding strategy favors adhesion to tooth enamel. A systematic review was conducted to determine whether the etch-and-rinse or self-etching mode is the best protocol for enamel adhesion by universal adhesives.This work followed the PRISMA guideline and a total of 8 articles were included in the meta-analysis. Two reviewers performed a bibliographic search until June 2020 in four databases: Pubmed, Cochrane Library, Web of Science and Embase.

O presente artigo têm por objetivo demonstrar como o neoliberalismo e a reforma empresarial da educação no Brasil têm protagonizado a precarização dos direitos trabalhistas e das condições de trabalho dos docentes nos últimos anos, perpassando pelo conceito e histórico de tal modelo econômico, bem como sua implantação no Brasil.

Objetivo: Descrever a distribuição espacial da sífilis gestacional e congênita nas regiões Norte e Nordeste. Métodos:Trata-se de um estudo observacional, de aspecto transversal e descritivo, abrangendo quantitativos os indicadores: percentagem de cobertura de Estratégia Saúde da Família (ESF) e taxa de detecção/100mil habitantes, de 2010 a 2019. Resultados:Foi observando crescimento constante da síf. em gestante, com maior taxa no Norte em 2019 (92,5); Nordeste em 2018 (52,4). Para síf. Congênita, houve diminuição de 2018 para 2019, todavia, ainda expressivo: Norte 673,1 e Nordeste 817,7.

The main objective of this article is to evaluate the opinion of the student of the Administration and Management courses by e-learning. To make this possible a study of the literature of e-learning was made. Besides, a questionnaire with 40 questions evaluated the opinion of students in the e-learning environment. This data collecting tool was applied to 450 students of a University in the São Paulo city, Brazil.

This article presents a methodology that uses the variables used in the SWOT model (Strengths, Weaknesses, Opportunities and Threats), based on the subjective opinions of several experts. The presented methodology (Fuzzy SWOT), is an automated system to aid decision making, whose output is the viability of a business. The implemented system presented conservative results, allowing the decision maker to maximize his business. This system also makes it possible to carry out sensitivity analysis in order to assist the decision maker, which are the variables that most impact the business.

This paper presents a wireless sensor network for environment monitoring in smart cities. The prototype described here was applied in the context of the project Cidades Digitais, a Brazilian program to distribute optical fibersto the cities, at Porto Nacional, Tocantins state, Brazil. In terms of architecture, the system was designed with an ESP 32 DevKit V1; DHT 11 sensor for temperature and humidity; MQ-135 sensor for smoke and toxic gas measurement; infrared fire sensor and the ultraviolet sensor Guva S12SD.

A política de fomento à economia solidária registou um forte impulso no Brasil a partir da assunção do Partido dos Trabalhadores na Presidência da República, em 2003.

Objective: to systematize, in the updated scientific literature, the ethical conduct of nursing professionals in the care of seropositive pregnant women. Method: Integrative literature review, qualitative nature with descriptive and exploratory approach, the study was guided through a formal work structure previously defined, based on a research protocol elaborated and validated by expert reviewers.

The work’s main objective was the manufacture of an AA6061 aluminum metal matrix composite reinforced with ceramics reinforcements of: aluminum oxide, silicon carbide, aluminum nitride and silicon nitride, through the powder metallurgy technique. The powders were subjected to high energy milling in a SPEX type vibrating mill. Thereafter, a cold uniaxial compactation was made and then the compacts were hot extruded. The powders were subjected to characterization using X-ray diffraction and laser diffraction granulometry.

Objetivo: O presente estudo objetivou verificar se há correlação entre o perfil epidemiológico das doenças sistêmicas mais comuns e as condições de saúde bucal de uma série de idosos. Método: Foram selecionados 45 idosos (60-92 anos), de uma Instituição de Longa Permanência para Idosos de Passo Fundo/RS/Brasil. Realizou-se exame anamnésico, clínico (extra e intrabucal), diagnóstico/planejamento e tratamento odontológico para cada idoso. Resultados: A maioria dos idosos eram mulheres (57,8%) e 42,2%, homens.