We have been brushing our teeth since the time we could remember. But do you really know how to brush properly or why we do it? Here we are with some perception of proper brushing to keep you free from decay and gingival problems. Why do we brush? All hail the plaque! Plaque is nothing but a mass of bacteria that sticks to the tooth surface in the mouth. At first it is usually colourless but with time it becomes resilient and changes into yellow-greyish colour. The number of bacteria in a single tooth surface can exceed 10 9 cells. They are found in colonies (biofilm). Tooth brushing removes most but not all bacteria. This plaque build-up causes gum diseases (gingivitis) and decay. When plaque is left for a longer time without cleaning, this can even affect the bone around the tooth. Plaque can be present both above and below the gum line. Hence it is important you have a precise oral health...