Cavities can sneak up on anyone, but when they form between your teeth, they’re especially tricky to spot. Known as interproximal cavities, these hidden areas of decay develop where two teeth touch—places that are difficult to see and even harder to clean properly. Left untreated, these cavities can spread quickly and lead to sensitivity, pain, or even infection. The good news? There are a few telltale signs that can help you catch the problem early. Here are 5 ways to know if you have a cavity between your teeth.
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