eli5 – Why do teeth tingle and ache around metal or scraping noises (I.e a spoon in a bowel)

Question

eli5 – Why do teeth tingle and ache around metal or scraping noises (I.e a spoon in a bowel)

In: 281

Answer 1

You can’t feel with your teeth. It’s an instinctual reaction to the pitches of vibration your teeth make when they’re damaged.
The metal thing has something to do with the nerves in your teeth, but i don’t remember exactly how.