Multiple Choice
In which of the following ways could an ultrasonic working end cause an undesirable surface alteration?
A) Power setting is too low.
B) Water spray is too great.
C) Point is adapted to the tooth.
D) Light pressure is used on the tooth.
E) The tooth to working end angulation is less than 15 degrees.
Correct Answer:
Verified
Correct Answer:
Verified
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