Plaque is a sticky, colorless layer of bacteria that constantly forms on teeth and gums. It also contributes to the cause of gum disease. Brushing and flossing at least twice a day will help prevent dental disease by removing the plaque. Myth No.2 . A hard toothbrush is best.
Most dentists prefer toothbrushes with soft bristles.
These are less likely to injure the gums and teeth. Hard toothbrushes are more likely to cause the gums to pull away from the teeth and to abrade away tooth structure at the necks of the teeth. Myth No. 3. People with no cavities do not have to worry about losing their teeth. This is not true.