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Because it is a diesease that can make your teeth all have holes in, the reason why is cause these tiny microorganisms eat away at the leftover food if you have forgot to brush your teeth they will eat away, but if you never brush your teeth the tiny organisms will eataway at your teeth and cause holes in your teeth so just remember brush your teeth! :)

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12y ago
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15y ago

=yo can cavities spread? or night=

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15y ago

cavities spread because they just do.

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Wiki User

13y ago

Elmo did it

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Q: How do cavities spread?
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