Signs and Symptoms of a Cavity

Signs and Symptoms of a Cavity

A cavity happens when bacteria penetrate the dentin through the eroded areas of your tooth’s enamel. Your dentist can detect cavities during regular dental checkups. If you think you may have a cavity, here are some signs and symptoms to find out if you need immediate treatment.


Tooth Sensitivity

When a cavity starts to form, your dentin is stripped of its protective enamel layer. Your porous dentin is then exposed. The moment something cold or hot touches your tooth’s unprotected dentin, you experience a sudden shot of pain. Studies show that this is a significant sign of cavity formation.


Craters or Holes

Experts say that bacteria are always present when there is a cavity forming. They eventually eat their way into the affected tooth, creating pits and holes in your tooth’s enamel. These holes will tell your dentist that you require a filling. The cavity will not be eliminated by a filling. The filling, instead, can plug up the hole so you can have stability in that tooth.


Dark Spots or Discoloration

When you see some brown discoloration or dark spots on the surface of your tooth, you know there’s a cavity developing already. It may look like some plain staining, but when it becomes a spot, it’s a strong indication of tooth decay. According to experts, there are even some cases where cavities appear like white marks on the tooth’s surface.



The affected tooth may be starting to cause you some agony. Dental experts say that this makes biting down and chewing almost impossible because of the excruciating pain. Because of this, you may find it extremely challenging to floss or brush your affected teeth.


Foul Breath

Researchers report that the unpleasant odor in your mouth is usually accompanied by an unpleasant taste. The undesirable smell and taste are caused by the accumulated waste produced by the bacteria present in your mouth. If you notice that you constantly have foul breath, it is wise to see your dentist.


Absence of Symptoms

You may not experience any symptoms if the cavity is still tiny. According to dental experts, most people are unaware that they have cavities until they visit their dentist. Although you won’t experience the pains of tooth decay, not having symptoms means you’re unaware of the problem. This only gives your cavity more time to progress.


Bleeding and Swollen Gums

Experts say that if your tooth’s infection is near your gumline, it may affect the soft tissue that surrounds it. This leads to the bleeding and swelling of your gums. You may notice this when you floss or brush your teeth. These symptoms may also indicate gingivitis.


Once you experience any of the given signs and symptoms, it is time for an extensive dental checkup. We, at Castro Valley Dentistry, can help you with your cavities and other dental issues. If you want to schedule an appointment, please call us at 510-674-0900. You can also visit our clinic in Castro Valley, California, for a one-on-one consultation.

All Smiles
Dental Services

Learn More

In Touch

Contact Us