Author Question: The rubber cup is applied to the tooth and flexed ____ mm into the sulcus. a. 1/2 b. 1 c. 2 to 3 ... (Read 26 times)

mckennatimberlake · **on:** Jun 25, 2018

The rubber cup is applied to the tooth and flexed ____ mm into the sulcus.
a. 1/2
b. 1
c. 2 to 3
d. 1 to 2

Question 2

Which of the following are likely to stain the teeth during the use of the rubber cup polishing?
a. Natural cups
b. Synthetic rubber cups
c. Black cups
d. Natural rubber cups

ergserg · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

d
RATIONALE: The rubber cup is applied to the tooth and flexed 1 to 2 mm into the sulcus.

Answer to Question 2

c
RATIONALE: Black cups are likely to stain the teeth during the use of the rubber cup polishing.