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That wavelength is currently undergoing safety testing for killing germs. Maybe that's a possible alternative? Penetration depth might be an issue, since that's what (supposedly) makes it safe for skin.
What about the dentist's uv gun?
Earlier quoted context omitted.
Isn't DNA damage lifetime accumulated? (Unrelated to the first) Even if the probability is low, say 0.0001, of DNA damage happening after a single dentist visit, that still will result in hundreds or thousands of cases of DNA if the population is large enough, i.e. in every larger city.
> DNA damage happening after a single dentist visit Your dentist uses UV after every visit?
don’t put your… you know what, never mind, too late.