How To Know If You Have A Cavity Between Teeth. Yes, if you are a dentist you know the difference between a cavity made by caries and the attrition effect of night grinding in our teeth. You may also have sensitivity to hot and cold, as well as sweet, sugary foods.
When feeling the area with your tongue or a safe tool, you may feel an indentation of an actual hole within the tooth. The best way to prevent interproximal decay is to floss the teeth in conjunction with daily brushing. Most symptoms occur when the cavity has penetrated into the dentin, the second hard layer of tissue beneath the enamel.
Sealants are thin plastic coatings painted onto the chewing surfaces of the back teeth or molars.
If the spot grows larger or becomes unstable, it is likely a cavity as well. Meanwhile, a cavity is a hole that has been made in the tooth by bacteria. Sensitivity that lingers after eating hot or cold food could be a sign that you have a cavity. Sealants are thin plastic coatings painted onto the chewing surfaces of the back teeth or molars.