The instrument used specifically to bevel the cervical walls (floor) of the mesial and/or distal retention areas of the internal walls of a cavity preparation is a(n)
A)hoe.
B)hatchet.
C)angle former.
D)spoon excavator.
E)mesial or distal gingival margin trimmer.

Question

Quizplus · Accepted Answer

The gingival margin trimmer bevels the cervical walls of mesial and distal retention areas. An enamel hoe is used to clean and smooth the floor and walls. The hatchet is used to clean and smooth cavity preparation walls.The angle former is used to accentuate line and point angles in internal outline and retention in a cavity preparation. A spoon excavator is used to remove caries.

The Instrument Used Specifically to Bevel the Cervical Walls (Floor)