Interdental brush Prime Start 06, 5 pieces, Curaprox The CPS Prime range includes 5 sizes that adapt to 95% of interdental spaces. Interdental spaces are measured with the IAP (Interdental Access Probing) probe. Cural® filaments, ultra thin and very resistant surgical threads, give the exceptional quality of Curaprox interdental brushes. Only Curaden can use the patented Cural® bristle technology for interdental brushes. Features of Curaprox CPS 06 interdental brushes: Access radius (mm) - 0.6mm. Cleaning radius (mm) - 2.2mm. The set contains: 5 interdental brushes, size 06 a plastic handle.