DR ARMEN TARANYAN / SCIENCE PHOTO LIBRARY DR ARMEN TARANYAN / SCIENCE PHOTO LIBRARY
Dental implants. Healing dental implants in a 45-year-old female with five adjacent missing teeth in her upper jaw. Three implant fixtures have been surgically embedded into a holes drilled in the patient's jawbone. Metal dental parts called abutments, seen here, are screwed into the implants and used to support tooth-like crowns or a bridge.
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