As a Carious Lesion Progresses, It Takes on a Triangular

Multiple Choice

As a carious lesion progresses, it takes on a triangular shape with the apex pointing toward the __________________ and the base toward the ___________________.

A) cementoenamel junction, outer surface of the tooth
B) dentinoenamel junction, outer surface of the tooth
C) outer surface of the tooth, cementoenamel junction
D) outer surface of the tooth, dentinoenamel junction