Straight Elevator

# A straight elevator is properly used to advantage when the:
A. Adjacent tooth is the fulcrum
B. Tooth is isolated
C. Interdental bone is fulcrum
D. Adjacent tooth is not to be extracted

The correct answer is C. Interdental bone is fulcrum.

Straight elevator (Coupland, London Pattern) is the most commonly used. Usually used to luxate and elevate mandibular third molar and when multiple extractions are needed. It is not recommended in upper arch. This utilizes principle of lever mechanism. Alveolar crest acts as fulcrum. Adjacent teeth should never be used as fulcrum.


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