What source and strength of radioactivity could cause mercury dental fillings to become radioactive?

What source and strength of radioactivity could cause mercury dental fillings to become radioactive?
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1 Answer

Answer :

answer:In general, things don’t “become” radioactive simply by being exposed to radioactivity. (I hate to say “never”, because I don’t know if an incredibly large radioactive burst could ionize some other materials. But I suspect that no one on Earth would survive THAT radioactive burst, anyway. Even if they were somewhere in Earth’s orbit when it occurred.) Unless they’re made with radioactive materials to begin with, I don’t think it is possible for dental fillings to become radioactive from exposure to (survivable) ionizing radiation.
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