Which of the following local anesthetics has the longest duration of action?

Question

Quizplus · Accepted Answer

The major advantage of bupivacaine is its greatly prolonged duration of action.It is indicated in lengthy dental procedures when pulpal anesthesia of greater than 1.5 hours is needed or when postoperative pain is expected.It is used most frequently in the offices of oral surgeons and endodontists.Compared with lidocaine with epinephrine,the onset of bupivacaine with epinephrine is slightly longer,but the duration is at least twice that of lidocaine.The remaining local anesthetics do not have the longest duration of action.

Which of the Following Local Anesthetics Has the Longest Duration