MICHAEL DONNE / SCIENCE PHOTO LIBRARY MICHAEL DONNE / SCIENCE PHOTO LIBRARY
Plaque detection. Girl looking in a mirror after using a plaque disclosing tablets to show up areas of plaque on her teeth. A dentist is standing next to her. Disclosing tablets contain a dye that binds to plaque when the tablet is chewed. The mouth is rinsed with water and the teeth examined to identify dye-stained areas, which are those with a large plaque build-up. Plaque is a sticky substance comprising millions of bacteria, which collects around and between the teeth. It is a major cause of tooth decay and gum disease. The use of disclosing tablets can help improve brushing and flossing of teeth by highlighting missed areas.
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