Teeth, as any other organ, are subject of ageing processes. Along with the passing time color-change and change in shape is noticeable. Non-stoppable work of oral cavity leads to attrition of chewing tooth surface. The shape of teeth changes, they lose their characteristic lumps and frillings. With age changes in enamel are present, what comes with it is teeth are getting darker. It is easier then to get discoloration from food, drinks and drugs. What comes with age is also the lack of hygiene of oral cavity, which leads to faster spreading of tooth decay. Often sicknesses and medication used during the sickness may also result in tendency to tooth decay, e.g. because of increased viscosity of the saliva or demineralization of enamel. In the paradentium numerous changes associated with the ageing of the organism are also being observed.