When you visit the dentist, your dentist will take x-rays of your teeth and examine your mouth to determine if you have any cavities. You can find out whether you have cavities long before visiting the dentist by looking at some simple signs of cavities in teeth.
The most common sign of a cavity is a dark brown or blackish splotch that you see on the surface of your tooth or between your teeth. Depending on the severity of the cavity, you may find that the spot comes out and leaves behind a hole in its place. Those with more severe cavities will often find that their teeth become so weak that cracks form and the teeth eventually break or shatter.
Worsening Pain and/or Toothaches
Once the cavity worsens to the point where you may need a root canal, you may notice that you suffer from a constant toothache that worsens when you eat hot or cold food. Some people suffering from cavities experience sensitivity to hot and cold temperatures that occurs because the cavity broke away and exposed the nerve inside the tooth. Exposed nerves can lead to constant pain that worsens when you bite down or attempt to chew.
If you experience any of these signs, schedule an appointment with your dentist. Only a dentist can determine if you need a filling that will protect the tooth from further decay or if you need root canal treatment.