Upon examination of the furca, the Nabers probe will go completely through the furcation that is covered by soft tissue. This is classified as what furcation type?

Question

Quizplus · Accepted Answer

The Nabers probe is used to identify, classify, and monitor furcation involvement or loss of attachment between the roots of posterior teeth. A Class III furcation describes through-and-through involvement, with the furcation covered by soft tissue. In a Class I furcation, the concavity of the furcation can be detected but it cannot be entered. A Class II furcation is when a furcation can be entered but cannot penetrate through to the opposite side. Class IV furcation is the same as a Class III, except the furcation is not covered by soft tissue.

Upon Examination of the Furca, the Nabers Probe Will Go