Features / description Measures in millimetres from the tip & up to 10mm (there is no 4 or 6mm mark) Markings by black coloured, engraved rings on the shank gives clear visibility. The tip is blunt and smoothly rounded to reduce risk of soft tissue trauma Diameter of shank optimal to fit into pockets of smaller teeth A deluxe quality handle gives a comfortable grip, good control and tactile response Uses Measuring periodontal pocket and gingival sulcus depth Scoring gingivitis by bleeding index (on gentle rubbing of gum margin) Measuring gingival hyperplasia or recession In calculating periodontal attachment loss How to use The instrument is held in a modified pen grip. The instrument tip is inserted behind the gingival margin and advanced by gently sliding the tip down the root surface until the base of the pocket (gingival attachment) is felt. Using the markings, the depth of the periodontal pocket or the amount of attachment loss can be measured