An installment in our weekly series, The By and By.
The problem of pain is one that has long troubled humans in general, but dentists, perhaps, in particular. The issue has vexed the field for centuries. By the late 1950s, general anesthesia in the dentistry community had come under intense scrutiny, given the widely reported numbers of unnecessary deaths. There was the sense that something else—something safer, less toxic, simpler—could be the answer.