Curaprox Intderdental Brushes Regular Black CPS15 are Regular brushes 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 Intderdental Brushes Regular Black CPS15: 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 5. 0mm and an access radius of 1. 8mm, the CPS15 comes with a tapered head for effective cleaning. Available in packs of 5