Curaprox Interdental Brushes Regular Green CPS11 are part of the regular brushe range that have the widest range of cleaning radii of the Curaprox interdental brushes. With the usual strong wire core and dense bristles they are especially suited to special care needs such as with orthodontic appliances, under bridges and for users with limited dexterity. Curaprox Interdental Brushes Regular Green CPS11: With the usual strong wire core and dense bristles they are especially suited to special care needs such as with orthodontic appliances, under bridges and for users with limited dexterity. Curaprox Interdental Brushes come in the following sizes; 2. 2mm, 2. 5mm, 3. 2mm, 5. 0mm with flat head, 5. 0mm with tapered head, 5. 0mm with thicker wire core and 8. 0mm cleaning radii. The Regular range of interdental brushes are interchangeable with any of the Curaprox handles. With a cleaning radius of 2. 5mm and an access radius of 1. 1mm, the CPS11 comes with a tapered head for effective cleaning. Available in packs of 5