Multiple Choice
When the patient has a fixed prosthesis,such as a three-unit bridge,the area under the pontic is maintained by:
A) brushing with a toothbrush.
B) threading dental floss under the pontic with a bridge threader.
C) irrigation with a cannula.
D) swishing with a mouthrinse.
Correct Answer:

Verified
Correct Answer:
Verified
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