### What is a Cavity? A cavity is a hole in your tooth caused by decay over time. It can appear as white or dark spots on the tooth, or you might feel a hole with your tongue. ### Symptoms of a Cavity - **Tooth Pain**: Your tooth may throb or ache, especially when you eat something hot, cold, or sweet. - **Sensitivity**: Increased sensitivity to temperature changes. - **Visible Spots**: White or dark spots on your tooth. - **Holes or Cracks**: You might feel a hole or crack with your tongue. - **Gum Issues**: Red, swollen, or bleeding gums. - **Bad Breath**: Persistent bad breath that doesn't go away after brushing. ### How to Prevent Cavities - **Brush Regularly**: Brush your teeth twice a day with fluoride toothpaste. - **Regular Dental Checkups**: Visit your dentist once or twice a year for routine examinations. - **Healthy Diet**: Avoid sugary foods and drinks. ### What to Do if You Have a Cavity If your dentist finds a cavity, they will discuss the best way to proceed, usually involving a filling. Don't wait for your next appointment if you notice any symptoms; see your dentist as soon as possible. ### Importance of Fluoride Using a high-fluoride toothpaste can help remineralize your teeth and prevent cavities. ### Conclusion Prevention is key. Regular dental care and good oral hygiene can help you avoid cavities and maintain healthy teeth.