What is a periodontal probe used for?

• A. To extract teeth
• B. To measure the depth of the sulcus or periodontal pockets around teeth
• C. To fill cavities
• D. To clean dental instruments

Answer: (B)

A periodontal probe is a specialized dental instrument primarily used to measure the depth of the sulcus or periodontal pockets around teeth. This measurement is critical in assessing periodontal health, as it helps determine the presence and severity of periodontal disease. The probe is gently inserted into the gumline, and the depth of the pocket is recorded at various points around each tooth. This data allows dental professionals to evaluate the patient's periodontal condition and plan appropriate treatments.

Other dental instruments serve different functions, such as extracting teeth or filling cavities, which are not related to the periodontal probe's primary purpose. The periodontal probe is essential for diagnosing and monitoring periodontal disease and plays a crucial role in the overall assessment of a patient’s oral health.