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• W2336917289 abstract "Objeti vo: Avaliar a acao de escovas dentais macias e medias em cimentos de ionomero de vidro, analisando os parâmetros alteracao de massa e rugosidade superfi cial. Metodo: Foram testados dois cimentos de ionomero de vidro de alta viscosidade (KetacTM Molar Easymix/3M Espe e Vitro Molar/DFL), um convencional (Bioglass R/Biodinâmica) e uma resina composta microhibrida (Z100TM/3M Espe). Vinte corpos-de-prova de cada material foram submeti dos a escovacao simulada com creme dental diluido em agua desti lada (1:2), divididos em grupos de 10 para cada ti po de escova. Os valores de massa foram obti dos apos pesagens consecuti vas e estabilizacao do peso. A rugosidade superfi cial (Ra) foi determinada pela media aritmeti ca de cinco leituras nas superfi cies dos corpos-de-prova. Apos registro dos valores iniciais de massa e rugosidade, os corpos-de-prova foram submeti dos a 20.000 ciclos de escovacao simulada e os valores fi nais de massa e rugosidade foram verifi cados. Os dados foram avaliados estati sti camente pelos testes t de Student e Anova com pos-teste de Tukey (p<0,05). Resultados: A escovacao determinou desgaste em todos os materiais, sendo o menor valor verifi cado na resina composta Z100TM, seguido pelos cimentos de ionomero de vidro KetacTM Molar Easymix, Vitro Molar® e Bioglass R. O cimento de ionomero de vidro de alta viscosidade com menor valor de rugosidade superfi cial inicial e fi nal foi o KetacTM Molar Easymix, com valor medio de 0,50 μm, sendo estati sti camente diferente dos outros cimentos de ionomero de vidro. Conclusao: As escovas dentais macias e medias causaram desgastes semelhantes. Objecti ve: To evaluate the acti on of soft and middlebristle toothbrushes on glass ionomer cements indicated for atraumati c restorati ve treatment by analyzing the parameters mass change and surface roughness. Method: One conventi onal (Bioglass R/Biodinâmica) and two high-viscosity (KetacTM Molar Easymix/3M ESPE and Vitro Molar/ DFL) glass ionomer cements and a microhybrid composite resin (Z100TM/3M ESPE) were tested. Twenty specimens of each material were subjected to simulated toothbrushing with denti frice diluted with disti lled water (1:2), divided in groups of 10 specimens for each type of toothbrush. The mass values were obtained aft er consecuti ve recordings and weigh stabilizati on. Surface roughness (Ra) was determined by the arithmeti c mean of fi ve readings on specimen surface. Aft er recording the initi al mass and surface roughness values, the specimens were subjected to 20,000 cycles of simulated toothbrushing, and the fi nal mass and surface roughness values were recorded. Data were analyzed stati sti cally by the Student’s t-test and ANOVA with Tukey’s post-test (p<0.05). Results: Toothbrushing produced wear of all materials; Z100TM composite resin exhibited the highest value, followed by KetacTM Molar Easymix, Vitro Molar® and Bioglass R glass ionomer cements. KetacTM Molar Easymix was the high-viscosity glass ionomer cement with lower initi al and fi nal surface roughness (Ra= 0.50 μm) and diff ered signifi cantly from the other glass ionomer cements. Conclusion: Soft and medium-bristle toothbrushes caused similar wear on the materials." @default.
• W2336917289 created "2016-06-24" @default.
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• W2336917289 date "2011-01-01" @default.
• W2336917289 modified "2023-09-22" @default.
• W2336917289 title "Ação de Escovas Dentais de Diferentes Texturas em Cimentos de ionômero de Vidro Indicados para o Tratamento Restaurador Atraumático Action of Toothbrushes of Different Textures on Glass Ionomer Cements Indicated for Atraumatic Restorative Treatment" @default.
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