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[Bristle end rounding on end-tuft, sulcus and orthodontic brushes]
1Abteilung Kinderzahnheilkunde, Zentrum für Zahn-, Mund- und Kieferheilkunde Giessen.
Abstract:
A scanning electron microscopic study of bristle ends of two end-tuft, two sulcular and one orthodontic brush has shown differences in quality and quantity. One product had only 1.4% "acceptable" bristle ends. With the remaining brushes this part varied between 67.0% and 95.1%. There was no correlation between the bristle end shapes and the brush type.