Which local anaesthetic formulation should be used to achieve prolonged pain relief for a patient requiring a pulpectomy for tooth 3.6?
Bupivacaine 0.5%, with epinephrine 1:200,000.
Articaine 4%, with epinephrine 1:100,000
Lidocaine 2%, with epinephrine 1:100,000
Mepivacaine 3% plain
Prilocaine 4%, with epinephrine 1:200,00
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