Left undisturbed by brushing and flossing, the bacteria in your mouth will form a sticky film called plaque. Left further undisturbed, plaque will turn hard and yellow, calcifying on teeth as dental calculus, also known as tartar.
What causes cavities and how to spot tooth decay ... Credit: Wikimedia Commons. A cavity is basically a hole in the tooth. Cavities, also called caries or tooth decay, constitute the second most common health disorder in the western world and a common cause of tooth loss in young people around the world. Cavities start … Continúa leyendo How long has it been since your last checkup?