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Dentistry · Prosthodontics
Sample itemWhy is an occlusal rest included in a removable partial denture?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Provide vertical support and distribute load
An occlusal rest transfers functional forces to supporting teeth and prevents the partial denture from sinking into soft tissues during chewing.
Option by option
A. Whiten adjacent teeth
Whitening is not its function.
B. Block salivary ducts
It does not affect salivary ducts.
C. Increase periodontal pocket depth
It should not increase pocket depth.
D. Provide vertical support and distribute load (correct)
Correct: rest provides support and load distribution.
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.