Why do teeth need nerves?
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From an evolutionary standpoint, for the animal to know the limits of its bite strength, as it could otherwise damage or break the teeth without knowing it.
If we couldn’t feel our teeth, we would be less careful with them. we could bite on all sorts of things and break them away in no time – that means no eating – that means death – and no procreation.
So evolution has ensured that we have feeling in the things that need the most protection to ensure survival (think of other sensitive areas).
Teeth are also like little individual organs, they do a lot of functions and nerves form part of that biological package.
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