Which local anesthetic formulation should be used to achieve prolonged pain relief for a patient requiring the surgical extraction of tooth 3.8?
Lidocaine 2%, with epinephrine 1:100,000.
Bupivacaine 0.5%, with epinephrine 1:200,000.
Articaine 4%, with epinephrine 1:100,000.
Prilocaine 4%, with epinephrine 1:200,000.
Mepivacaine 3% plain
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