Nancy has several dental caries on the visible surface of one of her molars. The caries have eroded through to the pulp cavity. Which of the following accurately lists the layers affected by the caries?
A) Dentin, enamel, cementum
B) Enamel, dentin
C) Cementum, dentin
D) Enamel only

Question

Quizplus · Accepted Answer

Dental caries affecting the visible surface of a molar and reaching the pulp cavity would first pass through the enamel, then the dentin, the two layers covering the external part of the tooth above the gumline. Cementum covers the root below the gumline and is not involved in this scenario.

Nancy Has Several Dental Caries on the Visible Surface of One