Racemic bupivacaine has been used as a local anesthetic in medicine and dentistry for many years. The 2 main indications for its use in dentistry are lengthy procedures and management of postoperative pain, as in endodontic, surgical, and periodontal procedures, among others. 1 Although no case of toxicity has been documented in dentistry, a number of authors have reported its potent cardiac toxic effects, even in small doses. 2 Studies that compared racemic bupivacaine and levobupivacaine have shown less toxicity for the latter. 3 , 4
Since 2000, a