Blue Titanium Markings: mm3,5-5,5-8,5-11,5, Color Coding: between 3.5-5.5mm, (AKA: Community Periodontal Index of Treatment Needs, CPITN Probe or WHO 621 Trintity) Periodontal probes are used to locate, measure and mark pockets, as well as determine their course on individual tooth surface. The typical probe is a tapered, rod-like instrument calibrited in millimeters, with a blunt rounded tip.
