Than, contacting with saliva, the bacteria begin to secure a foothold on the plaque. During its existence, they produce substances, which in turn help dental deposits becomes hard.
Despite regular care of the mouth, not so easy to produce quality cleansing of the teeth, especially between teeth and on the side surfaces. Thus, in these places there is a mass accumulation of plaque. Above the gum line plaque teeth helps create a great environment in which are formed under the gum new fat. In turn, they interact with microbes secreting toxins, so the destroyed tissue periodontal.