Chewing gum can have both positive and negative effects on teeth, depending on the type of gum and how it is used.On the positive side, chewing sugar-free gum can stimulate saliva production, which helps to neutralize acids in the mouth and wash away food particles and bacteria that can lead to tooth decay. The increased saliva flow can also help to remineralize tooth enamel, which can help to strengthen teeth.However, if you chew gum that contains sugar, it can have negative effects on teeth. S