Tooth Decay is breakdown of teeth due to the activities of bacteria.. Maximum output with some simple thoughts...
Tests and diagnosis
Your dentist can usually detect tooth decay easily by
Asking about tooth pain and sensitivity
Examining your mouth and teeth
Probing your teeth with dental instruments to check for soft areas
Looking at dental X rays, which can show the extent of cavities and decay
Your dentist will also be able to tell you which of the three types of cavities you have smooth surface, pit and fissure, or root.