LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY
Dentist's chair surrounded by equipment. This electrically-powered chair can be adjusted automatically to allow the dentist easy access to the patient's mouth. The overhead light can also be adjusted. The tray at left holds the dentist's instruments. After treatment the patients can use the sink and tap at right to rinse their mouths.
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