The distance from the CEJ to the base of the pocket is a measure of

The periodontal examination includes probing pocket depth (distance from the gingival margin to the base of the pocket) and clinical attachment level (distance from the CEJ to the base of the pocket). Both of these measures are made using a periodontal probe. Gingival recession can be measured as the distance from the CEJ to the free gingival margin. Alveolar bone loss is measured radiographically