by 2016-10-24
chewing sugar-free gum can be beneficial in maintaining good dental health. it can play a role by preventing decay of the teeth. many of its benefits come from the increase in the flow of saliva it stimulates which helps to neutralize acids produced by plaque and also helps to wash away food particles in the mouth. it should be noted that even with the benefits of sugar-free gum, it cannot be a substitute for regular tooth brushing and checkup visits to the dentist. some of the benefits of chewing sugar-free gum are as follows: 1. the world dental federation specifically recommended sugar–free gum as a simple and effective way for families and individuals to improve their oral health alongside other equally     essential oral care behaviors such as brushing twice daily with a fluoride toothpaste.   2. chewing sugar–free gum helps to stimulate the salivary glands to produce a ten-fold increase in the flow of saliva. this in turn helps to clean ......


by 2016-10-21
tooth discolouration is a change or a variation in the colour of the teeth from the acceptable normal. an unpleasant tooth colour presents a challenge to the individual and can result in emotional, psychological or even health challenges. the causes of tooth discolouration fall into two major categories; the external and internal related causes. tooth discoloration can be treated by various methods. 1.            introduction/epidemiology definiton: discolouration is defined as the act or process of discolouring; a discoloured state or appearance; changed hue or aspect. a stain or discoloured spot or part. discolour: to give an unnatural colour to: stain, to become stained, faded, or of a changed colour. stain: a discoloration from foreign matter: a spot: smirch: blot. the act of discolouring or the state of being discoloured. tooth discolouration can be defined simply as a change in the normal colour of the to......