How To Know If You Have A Cavity

You can learn how to know if you have a cavity by learning the signs and symptoms of a cavity. A cavity is caused by decay in the tooth. The decay then causes an opening or hole in the tooth. Cavities are caused by not cleaning or brushing your teeth well, or eating too much sugar or drinking too many sugary drinks. These problems cause your teeth to decay.

These are ways to know if you may have a cavity:

  1. Cavities can be painful if left untreated. You may experience pain when you eat or drink, especially something hot or cold.
  2. Untreated cavities can lead to an abscess. Abscesses are holes in your teeth that are infected. The infection can cause a foul odor in your mouth. Abscesses can lead to further, more dangerous problems if left untreated. You may notice pus in or around the hole, indicating an abscess or infection.
  3. Cavities cause a sensitivity to the tooth. You may experience the sensitivity when you eat something sweet, hot or cold or bite down on something hard. You may even have sensitivity simply brushing your teeth.
  4. Cavities can cause sore gums. Your gums may become red, swollen and painful. You may even have bleeding of the gums when you brush.

If you suspect you have a cavity, it is best to see your dentist right away. The sooner you get the cavity taken care of, the better your tooth will feel, as well as the better the chance of preventing a dangerous infection.


Georgia Department of Community Health: Cavities/Tooth Decay

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