Dental caries, also known as tooth decay or cavity, is a disease wherein bacterial processes damage hard tooth structure. Tooth decay describes the condition wherein the tooth, under a variety of harsh conditions, break down leading to the formation of a cavity. It starts with a hole/opening in the enamel. If this is not treated, it progressively reaches the deeper sections of the tooth, where the pulp and the nerves are causing the tooth to become sensitive to a variety of stimuli, a variety of gum problems such as inflammation and swelling, pain and ultimately tooth loss.
Unregulated diet: Having too much of Sweet food ,Drinks jam, marmalade, even potato chips can lead to the formation of acidic by - products which damage the surface of the tooth enamel. This is the reason why most young children adolescents suffer from tooth decay.
worn out dental fillings :Tooth decay might develop again from exposed tooth surfaces.