MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY
Plaque removal. Dental patient having dental plaque removed from his teeth by a high-pressure water jet (centre left). The suction device (upper centre) removes this water from his mouth. If allowed to build up, dental plaque, a substance formed from food particles, saliva and bacteria, can lead to inflammation of the gums, or gingivitis.
Model release available. Property release not required.