Abbott-Robinson® Bristle Brushes are classic, high quality  natural brushes ideal for cleaning and polishing of denture acrylic; cleaning interproximal spaces after denture deflasking; and for general laboratory polishing applications. These brushes also excel at applying polishing materials and at polishing lab-processed composites, metal and ceramic crowns. Durable design features permanently attached bristles for improved performance and extended life without flaring; solid carbon-steel-plated HP mandrels for excellent fit and durability.