Naber's Probe is Modification in Marquis Probe. As marquis has straight tip but the naber's has curved working end for accessing the furcation end. It is used to determine the extent of furcation involvement on a multi rooted teeth. It has markings mm3,6,9,12 to measure pocket depths around a tooth in order to establish the state of health of the periodontium with its curved ,thin, and blunted tip.
