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Dentistry · Caries
Sample itemWhat promotes enamel demineralization?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Plaque acid
This item reviews Caries; Plaque acid is the best answer because it directly matches the imaging or dental principle described.
Option by option
A. Saliva buffering
Saliva buffering is plausible but is not the best answer.
B. Brushing
Brushing is unsupported by the key finding.
C. Fluoride
Fluoride does not fit the stated pattern.
D. Plaque acid (correct)
Correct. Plaque acid matches the defining 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.