eli5 – Why do teeth tingle and ache around metal or scraping noises (I.e a spoon in a bowel)
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Short answer is they don’t. Different people have different triggers which “go through them” as the saying goes. While someone might hate the sound of chalk on a blackboard for others it makes no difference.
Why you’re teeth hurt is a good question, teeth can only feel the sensation of pain. It might be the case that anything particularly abrasive to your ear or eyes might cause an involuntary react in your mind that causes something akin to anxiety to occur.
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