Author Question: The enamel surface is etched, or conditioned, by a phosphoric acid (or another type of acid) ... (Read 190 times)

mspears3 · **on:** Jun 25, 2018

The enamel surface is etched, or conditioned, by a phosphoric acid (or another type of acid) solution. This solution is left on the tooth for _____.
a. 15-30 seconds
b. 1-2 minutes
c. 60 seconds
d. 5 minutes

Question 2

Attachment to the tooth surface is also known as _____.
a. bonding
b. coalescing
c. filling
d. etching

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

Answer to Question 1

a
RATIONALE: The enamel surface is etched, or conditioned, by a phosphoric acid (or another type of acid) solution that is applied to a clean tooth with a brush, syringe, or small cotton-tipped applicator.It is very important for the area to be dry and the phosphoric acid to be placed correctly in order for a good bond to occur and for the sealant to last.

Answer to Question 2

a
RATIONALE: Attachment to the tooth surface, or bonding, occurs differently for the composite sealants than for the glass ionomer sealants.