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What is The most potent and longest acting anaesthetic agent is: and explain in detail?
Dubucaine is the most potent, most toxic , and longest acting local anesthetic Cinchocaine or dibucaine is an amide local anesthetic. Among the most potent and toxic of the long-acting local anesthetics, current use of cinchocaine is generally restricted to spinal and topical anesthesia. From KD Tripati 7th edition Page no 367