Every year, millions of people suffer from cavities, resulting in painful dental visits and high treatment costs. Did you know that by catching cavities early, you can prevent them from developing into more severe dental problems like gum disease, tooth loss and abscesses? In this blog post, we'll discuss a few signs that you have a cavity and need to see a dentist. With this knowledge, you can take the appropriate steps to prevent future dental problems and keep your teeth healthy for longer.


A toothache is one of the most common signs that you have a cavity and need to see a dentist. If you're experiencing sharp and persistent pain in a specific tooth, this could be a sign that you have a cavity. The pain may worsen with time, especially when you're eating or drinking something hot or cold.


Another sign that you may have a cavity is tooth sensitivity. If your teeth are sensitive to hot or cold temperatures or sweets, this could be a sign of a cavity. You may also experience pain when you bite down or chew, which would indicate that the cavity has progressed.

Spots or Holes in Teeth

If you notice any brown or black spots or holes in your teeth, this could be a sign of cavities. These spots indicate that there is decay present, and your tooth is at risk of further damage if not treated. It's essential to seek dental attention immediately if you notice any spots or holes in your teeth.

Bad Breath

Bad breath can be a sign of several dental problems, including cavities. This is because the bacteria that cause cavities produce a foul odour, which can cause bad breath. If you find that your breath smells unpleasant even after brushing and flossing, you should consider seeing a dentist.

Swollen Gums

 If you notice any swelling or redness in your gums, this could signify a cavity. The swelling is caused by the bacteria accumulated in the cavity and now spread into the gum tissue. If left untreated, these bacteria can lead to more severe dental problems, including gum disease.

In summary, cavities are a common dental problem that affects millions of people every year. Some of the most common signs that you have a cavity and need to see a dentist include toothache, sensitivity, spots or holes in teeth, bad breath and swollen gums. It's crucial to seek dental attention immediately if you identify any of these signs to prevent further damage and more severe dental problems. Remember to brush and floss regularly, avoid sugary and acidic foods and drinks and see your dentist for regular check-ups to keep your teeth healthy and cavity-free.

Reach out to a local dental clinic, such as Petersham Dental Practice, to learn more.