Dental examination. Dentist using a high pressure water hose (right hand) to remove plaque from a patient's teeth. In his left hand, the dentist is using a dental pick to check the integrity of the patient's teeth and to remove plaque from hard to reach places between the teeth and along the gum line. A dental nurse is holding a suction hose, which removes liquid from the patient's mouth. Plaque is a combination of saliva, food particles and bacteria, which forms a layer on the surface of the teeth that can cause gum inflammation (gingivitis) and tooth decay (caries), if allowed to build up.
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