Most effective topical anesthetic

# Which of the following is most effective as a topical anesthetic?
A. Lidocaine
B. Bupivacaine
C. Procaine
D. Prilocaine
E. Articane

The correct answer is A. Lidocaine.


Lidocaine is proven to be an effective
topical anesthetic drug that can effectively
numb the mucosal surfaces the oral cavity.

It is a strong anesthetic drug usually
delivered in gel, liquid, lotion, spray or
cream form.

Lidocaine topical anesthetic can penetrate
approximately 2-3mm deep into the
mucosal layer when applied properly.