What is the typical purpose of using a periodontal probe?

The primary purpose of a periodontal probe is to measure the depth of gum pockets around teeth. This is crucial in the evaluation of periodontal health, as it helps dental professionals assess the presence and extent of periodontal disease. The probe is a calibrated instrument that is gently inserted into the sulcus (the space between the tooth and gum) to measure how deep the pocket is. Typically, a healthy sulcus is around 1 to 3 millimeters deep. Measurements greater than this can indicate inflammation and the potential for periodontal disease, prompting further investigation and treatment plans.

Using a periodontal probe directly relates to the health of the gums and supporting structures of teeth, making it an essential tool in preventive dental care and the management of gum diseases. Other choices, such as assessing caries, applying fluoride treatments, or extracting teeth, pertain to different aspects of dental practice and do not reflect the primary function of a periodontal probe.