Tooth decay, or cavities, is a widespread dental problem that many people face throughout their lives. While cavities are often seen as a minor issue, if left untreated, they can lead to significant health problems. Tooth decay occurs when harmful bacteria in the mouth break down food particles and sugars, producing acids that erode tooth enamel. As the enamel weakens, cavities form, leading to pain, sensitivity, and in severe cases, tooth loss. If left unchecked, tooth decay can cause an infection in the tooth, which may spread to the surrounding tissues, leading to abscesses. These infections can result in swelling, fever, and even difficulty swallowing. In extreme cases, untreated cavities can lead to bone loss or systemic infections that affect other parts of the body, such as the heart. The key to preventing tooth decay is maintaining good oral hygiene. Brushing your teeth at least twice a day with fluoride toothpaste, flossing regularly, and limiting sugary snacks can reduce the risk of cavities. Regular visits to the dentist are also essential for early detection and treatment of tooth decay before it becomes a major issue. Treating tooth decay often involves filling the cavity, but if the decay has reached the pulp, a root canal or extraction may be necessary. Addressing cavities early can save you from more invasive treatments and prevent the spread of infection. Taking care of your teeth is crucial for both your oral and overall health.