CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Dental implant. Close-up of the upper jaw of a patient showing the position of an implant (centre). This is used to support a false tooth (not seen) when the original tooth has died and been removed. Seen here is a dental peg. This is screwed into position on a post that has been embedded in a hole in the jawbone. The peg supports a tooth-like crown.
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