DR ARMEN TARANYAN / SCIENCE PHOTO LIBRARY DR ARMEN TARANYAN / SCIENCE PHOTO LIBRARY
Dental root. Close-up of the exposed root of a decayed lower premolar tooth. The tooth's crown has broken or been removed, and the root is ready for extraction from its socket in the jaw. Teeth may be extracted if they are too decayed or damaged to be repaired, or if they are causing crowding or other problems in the jaw.
Model release not required. Property release not required.