Plaque is a sticky white colored layer which forms on the tooth surface. This layer is rich in bacteria which gets stick on teeth and slowly starts eroding the upper layer of teeth which is also called as Enamel. When we eat any sweets or drink any soft drinks with sugar, the bacteria release acids that attack our tooth enamel. Plaque formation starts after every food intake. Continuous attack of bacteria makes the tooth surface look yellow and slowly it turns to black which is an initiation of caries. Some caries are superficial which does not progress if proper brushing is done. Plaque formation leads to bad breath.Apart from brushing we can try Regular flossing, Mouthwash rinses to avoid the ill effects.