Which type of diamond bur is used to reduce a tooth for a crown preparation when a square shoulder is needed?
A)Flame
B)Wheel
C)Flat-end taper
D)Flat-end cylinder

Question

Quizplus · Accepted Answer

The flat-end cylinder is used when a square shoulder is needed. The flame shaped diamond is the bur used for subgingival margins on a crown preparation. A diamond wheel reduces a tooth for crown preparation on the lingual aspect of anterior teeth. The flat-end taper is used when parallel walls and a flat floor are required.

Which Type of Diamond Bur Is Used to Reduce a Tooth