Which of the Following Are True of Topical Anesthetics Used

question 32

Multiple Choice

Which of the following are true of topical anesthetics used in dentistry?

• A) Lidocaine may contain preservatives such as the parabens that could induce an allergic response.
• B) Topicals with bisulfites could induce an allergic response.
• C) Benzocaine is a commonly used amide topical anesthetic that can contribute to an allergic reaction.
• D) a and b

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