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Comparação da eficácia de remoção de placa bacteriana com a utilização de escova manual ou elétrica
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INTRODUÇÃO: A prevenção da gengivite é tanto uma estratégia primária para o desenvolvimento da periodontite como secundária para a prevenção da periodontite recorrente. O controlo de placa pelo doente é preponderante para a prevenção das doenças periodontais. Em relação à escovagem, é importante estudar a eficácia das escovas elétrica e manual no controlo mecânico de placa. A literatura sugere que a escova elétrica seja mais eficaz no que concerne à remoção de placa bacteriana, no entanto ainda não existem fortes evidências.
OBJETIVOS: Comparar o potencial de remoção de placa bacteriana de uma escova elétrica oscilante-rotativa com uma escova manual. Comparar a eficácia entre dois momentos de escovagem.
MATERIAIS E MÉTODOS: 20 estudantes de Medicina Dentária realizaram, através de um modelo de boca dividida, dois momentos de escovagem, separados por 1 semana. Os participantes foram instruídos a escovar com técnica intra-sulcular, durante 2 minutos (1 minuto com cada escova). No primeiro momento, usaram no 1º e 3º quadrantes a escova elétrica e, no 2º e 4º a manual. No segundo momento, usaram no 1º e 3º a manual e, no 2º e 4º a elétrica. Foram realizadas observações do Índice Percentual de Placa, antes e depois da escovagem, utilizando o Índice de Placa de Ainamo & Bay.
RESULTADOS: Na primeira escovagem, houve uma redução média de 46,76% com a escova elétrica e de 41,31% com a manual. Na segunda, houve uma redução de 42,74% com a elétrica e de 41,29% com a manual. Não se verificou uma diferença estatisticamente significativa na eficácia da redução de placa bacteriana entre as duas escovas e entre os dois momentos de intervenção.
CONCLUSÃO: Neste estudo, a escova elétrica não demostrou superioridade em relação à manual relativamente à eficácia de remoção de placa bacteriana.
INTRODUTION: Gingivitis prevention is both a primary strategy for the development of periodontitis and a secondary strategy for the prevention of recurrent periodontitis. Plaque control by the patient is essential for the prevention of periodontal diseases. In relation to brushing, it’s important to study the effectiveness of electric brushes and manual mechanical plaque control. The literature suggests that the electric brush is more effective when it comes to removing bacterial plaque, however there is still no strong evidence. OBJECTIVES: To compare the plaque removal potential of an oscillating-rotating electric brush with a manual brush. Compare the effectiveness between two brushing moments. MATHERIALS AND METHODS: 20 dental students performed two brushing sessions, separated by 1 week, using a split-mouth model. Participants were instructed to brush with the intrasulcular technique for 2 minutes (1 minute with each brush). At first, they used an electric toothbrush in the 1st and 3rd quadrants and a manual toothbrush in the 2nd and 4th quadrants. In the second, they used the manual in the 1st and 3rd and in the 2nd and 4th the electric. Observations of the Percent Plaque Index were carried out before and after brushing using the Ainamo & Bay Plaque Index. RESULTS: In the first brushing there was an average reduction of 46,76% with the electric brush and 41,31% with the manual one. In the second there was a reduction of 42,74% with the electric and 41,29% with the manual. There was no statistically significant difference between the effectiveness of reducing plaque between the two brushes and between the two intervention moments. CONCLUSION: In this study, the electric toothbrush didn’t demonstrate superiority over the manual brush in terms of effectiveness in removing bacterial plaque.
INTRODUTION: Gingivitis prevention is both a primary strategy for the development of periodontitis and a secondary strategy for the prevention of recurrent periodontitis. Plaque control by the patient is essential for the prevention of periodontal diseases. In relation to brushing, it’s important to study the effectiveness of electric brushes and manual mechanical plaque control. The literature suggests that the electric brush is more effective when it comes to removing bacterial plaque, however there is still no strong evidence. OBJECTIVES: To compare the plaque removal potential of an oscillating-rotating electric brush with a manual brush. Compare the effectiveness between two brushing moments. MATHERIALS AND METHODS: 20 dental students performed two brushing sessions, separated by 1 week, using a split-mouth model. Participants were instructed to brush with the intrasulcular technique for 2 minutes (1 minute with each brush). At first, they used an electric toothbrush in the 1st and 3rd quadrants and a manual toothbrush in the 2nd and 4th quadrants. In the second, they used the manual in the 1st and 3rd and in the 2nd and 4th the electric. Observations of the Percent Plaque Index were carried out before and after brushing using the Ainamo & Bay Plaque Index. RESULTS: In the first brushing there was an average reduction of 46,76% with the electric brush and 41,31% with the manual one. In the second there was a reduction of 42,74% with the electric and 41,29% with the manual. There was no statistically significant difference between the effectiveness of reducing plaque between the two brushes and between the two intervention moments. CONCLUSION: In this study, the electric toothbrush didn’t demonstrate superiority over the manual brush in terms of effectiveness in removing bacterial plaque.
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