Impact of adhesive and photoactivation method on sealant integrity and polymer network formation

We evaluated the influence of photoactivation method and hydrophobic resin (HR) application on the marginal and internal adaptation, hardness (KHN), and crosslink density (CLD) of a resin-based fissure sealant. Model fissures were created in bovine enamel fragments (n = 10) and sealed using one of the following protocols: no adhesive system + photoactivation of the sealant using continuous light (CL), no adhesive system + photoactivation of the sealant using the soft-start method (SS), HR + CL, or HR + SS. Marginal and internal gaps and KHN were assessed after storage in water for 24 h. The CLD was indirectly assessed by repeating the KHN measurement after 24 h of immersion in 100% ethanol. There was no difference among the samples with regard to marginal or internal adaptation. The KHN and CLD were similar for samples cured using either photoactivation method. Use of a hydrophobic resin prior to placement of fissure sealants and curing the sealant using the soft-start method may not provide any positive influence on integrity or crosslink density

TERMOGRAFIA INTRAVERMELHA NAS DORES OROFACIAIS

In the health sciences, the use of diagnostic tools are available to assist in the identification of the pathology, in the treatment and monitoring of the clinical cases presented, so that infrared thermography can be highlighted, which is a tool based on a non-anatomical examination, but rather functional, where its technique consists of a graphic record of body temperatures generated by the emitted radiation. The objective of this work through literature review is to identify the importance and effectiveness in the diagnosis of disorders and muscle stability by infrared thermography exam. It can be concluded that the use of complementary exams such as infrared thermomyography, for the treatment of orofacial pain, is effective because it is able to highlight the regions of body inflammation, allowing the clinician to carry out a better planning of the treatment to be performed. which helps in the final result of the execution of the proposed treatment.Nas ciências da saúde o uso de ferramentas de diagnóstico está disponível para auxiliar na identificação da patologia, no tratamento e acompanhamento dos casos clínicos apresentados, de modo que se pode destacar a termografia infravermelha que é uma ferramenta baseada em um exame não anatômico e sim funcional, onde sua técnica consiste em um registro gráfico de temperaturas do corpo gerado pela radiação emitida. O objetivo deste trabalho através da revisão de literatura é identificar a importância e eficácia no diagnóstico das desordens e estabilidade muscular pelo exame de termografia infravermelha. Pode-se concluir que o uso de exames complementares como a termografia para infravermelha, para o tratamento das dores orofaciais, é eficaz por ser capaz de evidenciar as regiões de inflamação corporal, permitindo ao clínico a execução de um melhor planejamento do tratamento a ser executado o que auxilia no resultado da execução do tratamento proposto

Pervasive gaps in Amazonian ecological research

Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio

Pervasive gaps in Amazonian ecological research

Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear understanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5,6,7 vast areas of the tropics remain understudied.8,9,10,11 In the American tropics, Amazonia stands out as the world's most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepresented in biodiversity databases.13,14,15 To worsen this situation, human-induced modifications16,17 may eliminate pieces of the Amazon's biodiversity puzzle before we can use them to understand how ecological communities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple organism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region's vulnerability to environmental change. 15%–18% of the most neglected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lost

Construção e Validação de um Sistema IoT de Baixo Custo para Detecção de Vazamento de Água em Residências

The rational use of water is essential to development and economic growth. Data from United Nations (UN) indicates that until 2050 will occur a more significant water scarcity due to the increasing demand for it in emerging countries, mainly with the populational growth of these locals. A conscious consumption by society can softy this effect preserving natural reserves and increasing water security. This premise is used to support the development of this work, which proposes the creation of a low-cost computational system that detects water leakages in residences using Internet of Things concepts. The system includes data acquisition, transmission, processing, and finally displays the information to the user. Empirical assessments about the data transmitting process and a comparison of different architectures and leakage detection techniques are in development to demonstrate proposal viability. The project presents the prototype tested in a real environment

Revisão sistemática da produção acadêmica brasileira sobre causas externas e violências contra a pessoa idosa Systematic review of the Brazilian academic production about external causes and violence against the elderly

Apresenta-se revisão sistemática sobre violência contra a pessoa idosa no período de 2000 a 2009. A base de dados para a pesquisa é o acervo de artigos, livros, capítulos de livros, manuais e planos de ação da Biblioteca Virtual em Violência e Saúde. Foram categorizados e analisados 115 documentos segundo os subtemas: quedas; causas externas e violência em geral; estudos epidemiológicos e socioepidemiológicos; prevenção da violência; violência e acidentes no contexto familiar; revisão conceitual e metodológica; ordem legal e denúncias; violência sob o olhar de quem a vivencia; serviços de saúde, profissionais e cuidadores; e construção e revalidação de instrumentos de pesquisa. Os resultados mostram relevante aumento da produção e aprimoramento metodológico nas áreas de saúde pública, serviço social, direito, fisioterapia, enfermagem, psicologia, otorrinolaringologia e na formulação de políticas e planos de ação. No entanto, há temas pouco aprofundados como acidentes de trânsito, homicídios, suicídios, afogamentos e sufocações.<br>This article presents a review about violence against the elderly, covering the period of 2000 to 2009. The database used in this research was the collection of articles, books, book chapters, manuals and plans of action of the Virtual Library on Violence and Health. We analyzed 115 documents divided into the following categories: falls; external causes and violence in general; epidemiological and socio-epidemiological studies; prevention of violence; violence and accidents in the family; conceptual and methodological review; legal order and denunciation; violence from the elderly's point of view; health services, professionals and caretakers; and construction and validation of research instruments. The results show a relevant increase in production and methodological improvement in public health, social work, law, physiotherapy, nursing, psychology and otorhinolaryngology. However, there are issues that have not been sufficiently approached such as traffic accidents, homicides, suicides, drowning and suffocation