A periodontal pocket is measured from:

• A. CEJ to base of pocket
• B. Top of the gingiva to the base
• C. Bottom of the gum to the CEJ
• D. Top of the tooth to the gum line

Answer: (B)

The measurement of a periodontal pocket is taken from the top of the gingiva to the base of the pocket. This is essential for assessing the depth of the pocket, which can indicate the health of the periodontal tissue. The top of the gingiva (the gingival margin) serves as a reference point for determining how deep the pocket is, which is critical in diagnosing periodontal disease.

Understanding these measurements helps dental professionals assess the extent of periodontal involvement effectively. This measurement reflects how much attachment loss has occurred and can guide treatment decisions, such as cleaning or surgical interventions. In healthy periodontal tissue, this measurement is usually less than 3mm, while deeper measurements can indicate the presence of periodontal disease.