DR ARMEN TARANYAN / SCIENCE PHOTO LIBRARY DR ARMEN TARANYAN / SCIENCE PHOTO LIBRARY
Dental crowns. Teeth in the upper jaw which have been replaced by metal crowns. A dental crown completely caps or encircles a tooth or dental implant. This kind of dental restoration is necessary when a tooth has become chipped, broken or eroded due to dental decay, and is too damaged to be repaired with a filling.
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