True: When bacteria colony mixes with spit plaque appears on your teeth., Tooth enamel becomes stronger if you use toothpaste with fluoride., Having bacteria in your mouth is a normal thing., Plaque causes cavities., We need to visit a dentist twice a year to check if there are any problems with our teeth and gums., False: There are a lot of bacteria on your teeth, gums, lips and tongue. All bacteria are harmful., Plaque is not harmful., Having bacteria in your mouth is an unusual thing., Fluoride is an artificial element.,

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