Curaprox Interdental Brushes Regular Blue CPS12 are regular brushes 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 Blue CPS12: 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 3. 2mm and an access radius of 1. 3mm, the CPS12 comes with a tapered head for effective cleaning. Available in packs of 5