Cavities and Tooth Decay Explained | Mint Hill Smiles

Cavities are the most common chronic condition affecting people of all ages, and understanding how they form makes them easier to prevent and treat.

Here is a clear explanation of what a cavity actually is and what to do about one.

A cavity is a permanently damaged area in the hard surface of a tooth that develops into a tiny hole. It begins when the bacteria naturally present in your mouth feed on sugars and starches from what you eat and produce acid as a byproduct. That acid attacks the enamel, the hard outer layer of the tooth, gradually dissolving the minerals that make it strong. In the earliest stage this can sometimes be reversed with fluoride or hydroxyapatite. Once the acid breaks through the enamel and reaches the softer layer beneath, the damage becomes permanent and a filling is needed.

How to Know If You Have a Cavity

In the early stages, cavities often cause no symptoms at all, which is exactly why regular checkups matter. As a cavity grows, you may notice sensitivity to sweet, hot, or cold foods, a toothache or pain when biting, visible pits or holes in a tooth, or staining on the surface. By the time a cavity hurts, it is usually larger than it would have been if caught at a routine visit.

How Cavities Are Treated

The treatment depends on how far the decay has progressed. A small to moderate cavity is treated with a tooth-colored filling, which removes the decay and restores the tooth in a single visit. A larger cavity that has weakened much of the tooth may need a crown. If the decay has reached the nerve inside the tooth, a root canal followed by a crown may be needed to save the tooth. This is why catching decay early matters so much: a small filling today prevents a much larger and more expensive problem later.

Preventing Cavities

Brushing twice a day with fluoride or hydroxyapatite toothpaste, flossing daily, limiting sugary and acidic foods and drinks, and keeping up with regular cleanings and exams are the foundation of cavity prevention. Professional fluoride treatments and sealants add another layer of protection, especially for children.

Call (704) 323-7577 to schedule a checkup.

FAQ

FREQUENTLY ASKED QUESTIONS

What are the first signs of a cavity?

Early cavities often cause no symptoms, which is why regular checkups catch them before you feel anything. As a cavity grows, you may notice sensitivity to sweet, hot, or cold foods, a toothache, visible pits or holes, or staining on the tooth.

Can a cavity heal on its own?

A cavity in its earliest stage, before it breaks through the enamel, can sometimes be remineralized. Once decay reaches through the enamel into the softer layer beneath, the damage is permanent and a filling is needed. It will not heal on its own at that point.

Does a cavity always hurt?

No. Many cavities cause no pain until they have grown large enough to approach the nerve. By the time a cavity hurts, it is usually more advanced. This is why we check for decay at every routine visit rather than waiting for symptoms.\

What happens if I leave a cavity untreated?

An untreated cavity continues to grow, eventually reaching the nerve and potentially causing an infection or abscess. What could have been a simple filling can become a root canal, a crown, or even tooth loss. Treating decay early is always simpler and less costly.

Ready to Take Care of It?

If you have been told you have a cavity, or if you are overdue for a check-up and suspect something might be going on, the best thing you can do is call us. The sooner we catch it, the simpler the fix.

We serve patients from Mint Hill, Matthews, Indian Trail, Stallings, Weddington, Midland, Albemarle, and southeast Charlotte, NC. We accept most major insurance plans including Delta Dental, Aetna, Cigna, Blue Cross Blue Shield, and United Healthcare. If you do not have insurance, ask us about Brush365.

Call (704) 323-7577 or visit minthillsmiles.dentist to schedule. We are at 11300 Cresthill Drive, Suite 105, Mint Hill, NC 28227.

A filling does not have to be a big deal. Let us keep it that way.