Best dental clinic in Adambakkam | Why Some Cavities Don’t Cause Pain Not all cavities cause pain in the early stages, which makes them easy to miss. Initial tooth decay often affects only the outer enamel, where there are no nerves. As decay progresses slowly, symptoms may not appear until deeper layers are involved. Food trapping and plaque buildup can silently worsen the cavity over time. By the time pain begins, the infection may already be close to the nerve. This is why regular dental checkups are essential for early detection. Hidden cavities are often identified only through clinical examination and X-rays. At Dr. Akkshaya Dental & Aesthetics, Adambakkam, we help detect and treat cavities early to prevent pain, infection, and major dental procedures.