1000 resultados para Escovação supervisionada


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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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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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Objective: this study aimed to analyze the in vitro effect of brushing on the color stability of ceramic brackets immersed in dye solutions. Materials and Methods: seven ceramic brackets of four commercial brands were tested: two monocrystalline and two polycrystalline. The parameters of color were obtained by spectrophotometer before and after 21 days of immersion of the brackets in coffee, red wine, Coca-Cola, black tea and artificial saliva. Another group of brackets of each brand were also immersed in the same solutions and for an equal time to the previous group, but with intervals of daily brushing performed by a toothbrushing machine (Mavtec). The data were evaluated by analysis of variance, multiple comparison tests for means and Student's t-test. Results: the mean color change of the brackets without brushing ranged from 0.46 to 7.61, while in the group with brushing these means ranged from 0.36 to 2.50. The staining still remained noticeable (change of color greater than 3.7) for all brackets when immersed in black tea. Conclusion: daily brushing helped significantly in the color stability of ceramic brackets, maintaining the color change to levels considered not visible to the human eye, except for the solution of black tea in which the staining remained relevant.

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To evaluate the surface roughness and Vickers hardness of glass ionomer cements Ketac Molar® and Ketac Molar Easy Mix® (ESPE Dental AG) after brushing. Methods – After roughness and hardness tests of 14 specimens of each material, they were submitted to 30,000 brushing cycles and new analysis of roughness and hardness. Statistical analysis showed that there was no significant difference between the materials in relation to the initial roughness. Results – However, after brushing there was higher surface roughness for Ketac Molar Easy Mix®. For both materials, there was increase of hardness after brushing and the highest values were presented by Ketac Molar Easy Mix®. Conclusion – It can be concluded that, when choosing a glass ionomer cement for restoration it should be preferred to Ketac Molar, because it showed hardness similar to Ketac Molar Easy Mix, but it was less rough.

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To appraise the oral health knowledge of parents and children from the quilombola communities located in the Ribeira Valley, Sao Paulo. Methods Preventive and educational activities in oral health were developed with children in the communities (Andre Lopes, Ivaporunduva, Pedro Cubas and Sapatu) including lectures, guidance on tooth brushing techniques, supervised mass brushing, detection of tooth biofilm and topical application of fluoride. Parents also participated in the activities. They were evaluated on the oral health of their children by means of a standard questionnaire. The water supply of the communities was also analyzed. Results The children participated enthusiastically and responsively in the preventive and educational activities. As to the questionnaires, 56% of parents stated that their children’s oral health was poor and 47.2% of them usually follow up on their children’s oral hygiene until they are approximately six years old, but this follow-up is not frequent. Conclusion We conclude that quilombola parents and children have very little knowledge about oral health. Therefore increased attention to oral health is required in these communities by means of frequent oral health education and promotion.