11/05/2026
One of the biggest misconceptions about cavities is believing they always cause immediate pain. In reality, many cavities develop silently for months because early decay only affects enamel — the hard outer layer of the tooth that contains no nerves.
Pain usually appears much later, once the cavity reaches deeper areas closer to the nerve. That’s why severe toothaches can seem sudden, even though the damage has often been progressing quietly for a long time. Some cavities are even harder to notice because they form between teeth, beneath old fillings, or in hidden areas not easily visible.
Warning signs may include sensitivity, food repeatedly getting trapped, dark spots, rough surfaces, or persistent bad breath. Regular dental checkups and X-rays help detect decay early before treatment becomes more complicated.
Source: General dental health and cavity prevention research.
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