Which of the following statements regarding radiographic detection of caries is correct?

A) Decalcification must reach 80 to 90 percent loss of hard structure to be imaged radiographically.
B) The depth of the caries appears more advanced radiographically than clinically.
C) The periapical radiograph is the radiograph of choice to image caries.
D) Some practitioners prefer to use a low kVp to best image caries.

D
Explanation: A) A low kVp produces a high-contrast radiograph that some practitioners consider helpful in detecting dental caries.
B) A low kVp produces a high-contrast radiograph that some practitioners consider helpful in detecting dental caries.
C) A low kVp produces a high-contrast radiograph that some practitioners consider helpful in detecting dental caries.
D) A low kVp produces a high-contrast radiograph that some practitioners consider helpful in detecting dental caries.