Which of the following regions in the crown of a tooth is often mistaken for caries in a radiograph?
A.	Pulp horn
B.	Marginal ridge
C.	Cementoenamel junction
D.	Secondary dentin
Answer:C
Which of the following regions in the crown of a tooth is often mistaken for caries in a radiograph?
A.	Pulp horn B.	Marginal ridge C.	Cementoenamel junction D.	Secondary dentin