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How long was your son's operation? And how long did it take for him to wake up?
My son got a big problems about his back teeth, and he doesn't cooperate well if only give him some kind of "juice" with some anesthetic in that and then nitrogen. The dentist suggests to give him general anesthethia to finish all work at one visit, otherwise we have to control his arms and legs and bear his screaming. I don't know which way is better for his nerve system development.
Thanks a lot!