A CPS regular is mainly recommended for secondary prevention on open interdental spaces: for fillings, crowns, bridges and particularly stubborn plaque. Patented surgical wire for the smallest of gaps. Exclusive to CURAPROX: CURAL® surgical wire is extremely fine and strong – providing superb quality and fineness of the CURAPROX CPS prime range, ensuring excellent durability. CURAL® is nickel-free, which makes it suitable for allergy-sufferers. The conical design of the fine wire core prevents premature breakage and also extends service life of the head.