Causing or promoting tooth decay; describing foods or substances that produce cavities.
From 'caries' (tooth decay) plus the Greek suffix '-genic' meaning producing or causing, creating a medical term for cavity-causing substances.
Sugary and starchy foods are cariogenic because the bacteria in your mouth feast on them, producing acid that eats away at tooth enamel—which is why dentists always warn about candy and soda.
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