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Dentistry · Dental anatomy
Sample itemWhat is the hard mineralized tissue covering the root of a tooth?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Cementum
The essential Dental anatomy principle supports Cementum; it is the option that most directly explains the image characteristic, safe modality choice, or oral-health finding described.
Option by option
A. Dentin
Dentin is unsupported by the imaging or dental information provided.
B. Cementum (correct)
Correct. Cementum matches the decisive detail in this sample.
C. Pulp
Pulp can be useful elsewhere but is not the best answer here.
D. Enamel
Enamel does not fit the stated dental anatomy feature.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.