Smooth surface cavity
Occurs on the flat exterior surface of the teeth. They are the slowest growing type of cavities to develop and the least common type of cavities.
Pit and fissure cavity
Occurs on the rear molars, on the chewing surfaces of the teeth. They are the most common type of cavities, especially among individuals who don’t have goof oral care.
Occurs on the surface of a tooth’s roots. It is most common among elderly, who have gum disorders such as receding gums. Exposed root surfaces from receding gums are more susceptible to erosion from acid.