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Dentistry · Paediatric dentistry
Sample itemWhy are space maintainers used after premature primary molar loss?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Prevent drifting of adjacent teeth
Premature loss of a primary molar can allow adjacent teeth to drift into the space and compromise eruption of its permanent successor.
Option by option
A. Treat pulp infection directly
They do not cure infection.
B. Prevent drifting of adjacent teeth (correct)
Correct: maintainers preserve arch space.
C. Reduce salivary flow
They do not alter salivary flow.
D. Whiten permanent incisors
They are not whitening appliances.
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.
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