Which of the following classifications is used to classify a probe passing completely through a furcation when the entrance to the furcation is not visible?

Question

Quizplus · Accepted Answer

Class III is used to classify a probe passing completely through a furcation when the entrance to the furcation is not visible. Class I is used when the probe does not pass into the furcation, Class II is used when the probe passes through the entrance of the furcation but does not pass completely through, and Class IV is used when the furcation is clinically visible.

Which of the Following Classifications Is Used to Classify a Probe