.What is the percentage of the echant agent used with composit resin restorations? a . 37% of phosphoric acid in water. b. 15% c. 18.5% d. 41%

.What is the percentage of the echant agent used with composit resin restorations?  a . 37% of phosphoric acid in water.
 b. 15%
 c. 18.5%
 d. 41%
by

1 Answer

Answer :

a . 37% of phosphoric acid in water.
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