"If we can prevent one more child from an adverse event or a death, we’ve got to try,” Swanson told NBC News. The state boards that oversee dental practice in America usually don’t make that kind of information public.It's unclear how many children — or adults, in general — have died in the U. But earlier this month, a Texas high school student died about a week after undergoing anesthesia to have his wisdom teeth removed.

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Two adults accompanying a child are ideal for this situation.

For those uncomfortable with the idea of general anesthesia, "there are other options that can work, for example having the parent hold the child in a blanket to keep him still — like you'd do in the emergency room if the child required stitches," Nickman said.

Karen Sibert, an associate clinical professor of anesthesiology at the University of California, Los Angeles.

“Children have small airways and they choke more easily than adults,” Sibert said.

Sibert would have no problem with her grandsons having a procedure in a dentist's office if all it would require is “local anesthesia, nitrous, and cartoons.” Kids can come out of sedation a little slower than adults and need prolonged observation, Swanson said.

Before you go home, make sure your child is no longer sedated — he’s not falling asleep and not slowing his breathing, Swanson noted.But one thing is certain, “there are too many of them,” said Dr.Michael Mashni, a dentist with anesthesia training who practices in California.They should ask if it would be better to take the child to an ambulatory surgery center, where an anesthesiologist would be present.If the procedure is being done in an outpatient clinic without a pediatric anesthesiologist, make sure it’s low risk, Swanson noted.Parents whose sedated children died during dental procedures often say they were unaware that death was a possibility.