920 resultados para Dental consulting-room
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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The aim of this research was to evaluate the susceptibility profile of Pseudomonas spp. and the prevalence of bacterial samples isolated from horizontal surfaces surrounding wash-basins used by dentists in several adjoined consulting-rooms, at points next to and at a distance from the basin, before and after surgical procedures. Our results showed a high percentage of Gram-positive cocci and Gram-negative bacilli; 34.66% were Staphylococcus spp. and 30.12% were non-fermentative Gram-negative bacilli among which Pseudomonas spp. (40.90%) was the commonest genus. Analysis of the susceptibility profile of Pseudomonas spp. isolates by determining the minimal inhibitory concentration (MIC) of 14 antibiotics showed a great variation among the strains and high rates of resistance to cefazolin, ceftazidime and aztreonan. Of the 14 antibiotics tested, 59.03% were found to be active against all the environmental isolates. Strains were resistant to aztreonan (62.82%), while susceptibility to third generation cephalosporins was variable.
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In popular contemporary use, the French term bricolage refers to the activities of the home handyman. It is sometimes used in a disparaging way to refer to work that is improvised, uninformed by expertise or specialist knowledge, and probably inferior in its results when compared with the work of a tradesman or professional. In 1962, anthropologist and philosopher Claude Lévi-Strauss argued that bricolage is a modality of human thought. Since then, the importance of bricolage as a mental activity has been identified in relation to art and architecture, as well as other fields of cultural activity. In this paper I consider bricolage as an activity of the ego and explore its role in the consulting room. I argue that by necessity the psychoanalytic work undertaken between patient and analyst relies on this modality of thought and, furthermore, that the use of bricolage is entirely compatible with evidence-based practice.
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Esse estudo foi realizado com o objetivo de contribuir com a avaliação dos efeitos de uma intervenção comportamental direcionada a pais/responsáveis de crianças com Transtorno do Déficit de Atenção e Hiperatividade-TDAH, investigando os efeitos desse modelo de treino parental em duas condições, setting terapêutico (Condição 1) e ambiente domiciliar (Condição 2), sobre a ocorrência de comportamentos de hiperatividade versus autocontrole. Os participantes foram pais de quatro crianças, na faixa etária entre cinco e nove anos. Utilizaram-se como instrumentos: Termo de Consentimento Livre e Esclarecido-TCLE, Inventário de Estilos Parentais-IEP, Lista de Verificação Comportamental para Crianças e Adolescentes-CBCL/TRF, Escala do TDAH versão para professor, Roteiro de Entrevista Inicial, Roteiro de Entrevista de Avaliação, Roteiro de Entrevista Final, Critério de Classificação Econômica Brasil-CCEB. O procedimento de pesquisa consistiu em: (a) contato com neuropediatra; (b) triagem e convite aos participantes; (c) distribuição de dois participantes para cada condição de intervenção; (d) avaliação inicial, incluindo entrevista com os responsáveis, aplicações do TCLE, IEP e CBCL; (e) visita à escola e aplicações do TCLE, da Escala do TDAH e do TRF, versões para professor; (f) realização de cinco sessões de intervenção, gravadas em áudio e vídeo, duas de linha de base, uma de habituação às regras e duas de manutenção das regras e instalação de comportamento de auto-observação, que envolveram situações de interação em jogos de regras, com participação da terapeuta-pesquisadora, da mãe e da criança; (g) realização de entrevista de avaliação da primeira fase; (h) reversão de contextos para os participantes e (i) avaliação final, realizada por meio de entrevista com os responsáveis e re-aplicação dos instrumentais padronizados com pais e professores, utilizados anteriormente, mais o CCEB. Os dados obtidos por meio dos instrumentos padronizados receberam o tratamento indicado nos manuais. Dois sistemas de categorias de análise do comportamento foram utilizados, um para descrever os comportamentos das mães e outro para comportamentos observados nas crianças. Os principais resultados sugerem que as crianças em ambiente de consultório tiveram maior ocorrência de emissão de comportamentos de autocontrole do que as em ambiente de domicílio, as quais, por sua vez, tiveram prevalência de comportamentos de hiperatividade/impulsividade. Do mesmo modo, as mães em ambiente de consultório obtiveram maiores escores em práticas educativas positivas e menos em negativas, comparadas às mães do grupo de domicílio. Houve aumento de práticas educativas positivas para a maioria das mães. Discute-se o contexto de consultório enquanto um ambiente eficaz de intervenção, embora se reconheça que as dificuldades de controle de comportamentos inadequados são maiores para os pais em ambiente domiciliar, por isso, intervenções em ambiente natural devem ser consideradas no processo terapêutico. Por outro lado, o treino parental demonstrou ser efetivo na aquisição, fortalecimento e manutenção de práticas educativas positivas em todas as mães, o que pode influenciar beneficamente os comportamentos das crianças com TDAH.
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Dissertação de Mestrado apresentada ao Instituto Superior de Psicologia Aplicada para obtenção de grau de Mestre na especialidade de Psicologia Clínica.
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Water uptake and water loss have been studied in a commercial resin-modified glass-ionomer cement, Fuji II LC, under a variety of conditions. Uptake was generally non-Fickian, but affected by temperature. At room temperature, the equilibrium water uptake values varied from 2.47 to 2.78% whereas at low temperature (12 degrees C), it varied from 0.85 to 1.18%. Cure time affected uptake values significantly. Water uptake was much lower than in conventional glass-ionomer restorative cements exposed to water vapor. Loss of water under desiccating conditions was found to be Fickian for the first 5 h loss at both 22 and 12 degrees C. Diffusion coefficients were between 0.45 and 0.76 x 10( -7) cm(2)/s, with low temperature diffusion coefficients slightly greater than those at room temperature. Plotting water loss as percentage versus s(-(1/2)) allowed activation energies to be determined from the Arrhenius equation and these were found to be 65.6, 79.8, and 7.7 kJ/mol respectively for 30, 20, and 10 s cure times. The overall conclusion is that the main advantage of incorporating HEMA into resin-modified-glass-ionomers is to alter water loss behavior. Rate of water loss and total amount lost are both reduced. Hence, resin-modified glass-ionomers are less sensitive to water loss than conventional glass-ionomers.
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This article introduces the topic of how patient-to-patient interaction can take many forms in healthcare settings. It provides many illustrations of such interactions, and examines patient confidentiality and the fairness of waiting in detail. Healthcare practitioners need to be professionals in managing patient-to-patient interactions as well as employee-to-patient interactions.
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The aim of this study was to determine the effect of two light-curing units (QTH and LED) on microleakage of Class II composite resin restorations with dentin cavosurface margins. Twenty extracted mandibular first premolars, free of caries and fractures were prepared two vertical slot cavities in the occluso-mesial and -destal surfaces (2 mm buccal-lingually, 2 mm proximal-axially and cervical limit in enamel) and divided into 4 equal groups (n = 8): GI and GII: packable posterior composite light-activated with LED and QTH, respectively; GIII and GIV: micro-hybrid composite resin light-activated with LED and QTH, respectively. The composite resins were applied following the manufacturer's instructions. After 24 h of water storage specimens were subjected to thermocycling for a total of 500 cycles at 5 and 55A degrees C and the teeth were then sealed with impermeable material. Teeth were immersed in 0.5% Basic fuchsin during 24 h at room temperature, and zero to three levels of penetration score were attributed. The Mann-Whitney and Kruskal-Wallis tests showed significant statistically similar (P > 0.05) from GI to GII and GIII to GIV, which the GII (2.750) had the highest mean scores and the GIII and GIV (0.875) had lowest mean scores. The use of different light-curing units has no influence on marginal integrity of Class II composite resin restorations and the proprieties of composite resins are important to reduce the microleakage.
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This study investigated what are the main reasons that led parents to enroll children in a clinic for infants. This was studied by consulting 1368 records during the period from July 1996 to August 2001. The predominant reason for enrolling was orientation/prevention followed by other and treatment. This study demonstrated that a program for children from the first year of life encourages parents to have a new vision of dentistry.
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Alginate is one the materials most employed in practice to make dental impressions. Substances like zinc, cadmium and lead silicate, which are included in several alginate brands with the aim of improving their physical, chemical and mechanical properties, are a source of serious concern as regards their toxicity. The most serious chronic effect of oral exposure to cadmium is renal toxicity. Assimilation of lead has deleterious effects on the gastrointestinal tract, hematopoietic system, cardiovascular system, central and peripheral nervous systems, kidneys, immune system, and reproductive system. Chronic oral exposures to zinc have resulted in hypochromic and microcyte anemia in some individuals. The aim of the present study was to measure the cadmium, lead and zinc contents of seven brands of alginate for dental use on sale in Brazil. The samples were weighed and placed in the Teflon cups of a closed-system microwave oven. Aqua regia (4mL concentrated HCI:HNO3, 3:1 v/v) and hydrofluoric acid (2mL concentrated HF) were added to the samples, which were then subjected to heating. The samples were then cooled to room temperature and diluted to 25 mL in deionized water in a volumetric glass flask. The samples were diluted in duplicate and analyzed against a reagent blank. The analyses were performed in an atomic absorption flame spectrophotometer. Neither lead nor cadmium was detected. Zinc contents ranged from 0.001% to 1.36% by weight. The alginates exhibited low contents of the metals under study and gave no cause for concern regarding toxicity; even so, it is advisable to monitor potentially toxic materials continually and to analyze their plasmatic levels in the professionals working with them.
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Pós-graduação em Ciências Odontológicas - FOAR
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This study evaluated by an in vitro model the effect of beverages on dental enamel previously subjected to erosive challenge with hydrochloric acid. The factor under study was the type of beverage, in five levels: Sprite® Zero Low-calorie Soda Lime (positive control), Parmalat® ultra high temperature (UHT) milk, Ades® Original soymilk, Leão® Ice Tea Zero ready-to-drink low-calorie peach-flavored black teaand Prata® natural mineral water (negative control). Seventy-five bovine enamel specimens were distributed among the five types of beverages (n=15), according to a randomized complete block design. For the formation of erosive wear lesions, the specimens were immersed in 10 mL aqueous solution of hydrochloric acid 0.01 M for 2 min. Subsequently, the specimens were immersed in 20 mL of the beverages for 1 min, twice daily for 2 days at room temperature. In between, the specimens were kept in 20 mL of artificial saliva at 37ºC. The response variable was the quantitative enamel microhardness. ANOVA and Tukey's test showed highly significant differences (p<0.00001) in the enamel exposed to hydrochloric acid and beverages. The soft drink caused a significantly higher decrease in microhardness compared with the other beverages. The black tea caused a significantly higher reduction in microhardness than the mineral water, UHT milk and soymilk, but lower than the soft drink. Among the analyzed beverages, the soft drink and the black tea caused the most deleterious effects on dental enamel microhardness.
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This paper demonstrates that in order to understand and design for interactions in complex work environments, a variety of representational artefacts must be developed and employed. A study was undertaken to explore the design of better interaction technologies to support patient record keeping in a dental surgery. The domain chosen is a challenging real context that exhibits problems that could potentially be solved by ubiquitous computing and multi-modal interaction technologies. Both transient and durable representations were used to develop design understandings. We describe the representations, the kinds of insights developed from the representations and the way that the multiple representations interact and carry forward in the design process.