All of the following are true of topical anesthetics used in dentistry EXCEPT one.Which one is the EXCEPTION?
A) Lidocaine may contain preservatives such as the parabens that could induce an allergic response.
B) Topical anesthetics are possible allergens.
C) Benzocaine is a commonly used amide topical anesthetic that can contribute to an allergic reaction.
D) Tetracaine can contribute to an allergic response.

Question

Quizplus · Accepted Answer

Benzocaine is actually a commonly used ester topical anesthetic, not an amide.

All of the Following Are True of Topical Anesthetics Used