A toothpaste manufacturer has developed a chewing gum that ... then cause bad breath. 'The whitening gum has a low abrasive silica in it which gently cleans the teeth and rubs away tea and coffee ...

which is vital for plaque-free teeth. In fact a 2015 study found that chewing some forms of gum is as good as flossing at removing bacteria from hard-to-reach spots. The petrol station snack has ...