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Here is article about plaque and how to get rid of and prevent it.
Dental Plaque is a sticky, colorless film of bacteria and food debris that constantly forms on our teeth. It is the initiating factor of dental decay and gum disease, and can harden into tartar if not removed daily. When the plaque is neglected for long, it leads to tartar or calculus.
Detecting Dental Plaque
Plaque forms when the bacteria occuring naturally in the mouth reacts with the food substances to form a film. The bacteria produce acids which stick to the tooth via the dental plaque. With repeated acid attacks, the tooth enamel can break down and a dental cavity may form. Plaque can also irritate the gums around your teeth, leading to inflammation, which further progresses to gingivitis (red, swollen, bleeding gums), gum disease and eventual tooth loss.Preventing Dental Plaque You can easily prevent plaque buildup with proper routine oral care. These include the following: Brushing thoroughly after every meal to remove plaque from all surfaces of your teeth. Flossing daily to remove plaque from between your teeth and under your gumline, where it may be hard to get to with your toothbrush. Limit sugary or starchy foods, and snacking between meals. Visit your dentist regularly for professional cleanings and dental examinations.