PROBE WHO
Laser 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.