A cavity or tooth decay is a bacterial disease that results in small fissures in the teeth, specifically on chewing surfaces. According to reliable sources, the number of people that have this disorder is about 2.5 billion. This normally results in the case of improper oral health. A cavity is formed when bacteria accumulates over the teeth over a prolonged period of time.

A cavity or tooth decay is a bacterial disease that results in small fissures in the teeth, specifically on chewing surfaces. According to reliable sources, the number of people that have this disorder is about 2.5 billion. This normally results in the case of improper oral health. A cavity is formed when bacteria accumulates over the teeth over a prolonged period of time.