Eli5: why do hard drugs make people lose their teeth?

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Lots of addicts have missing teeth, is it from the drugs themselves or just bad hygiene/no dental care? If it’s the drugs, what’s in the drugs that makes people lose their teeth?

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Anonymous 0 Comments

Meth in particular causes a significant reduction in saliva production. Saliva protects the teeth because the constant movement, swishing, and swallowing helps stop the bacteria to clinging to the teeth.

This is anecdotal but for opioids, like heroine, causes cravings for sugar and the sugar promotes tooth decay.

Edit: changed salvia back to saliva

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