DR ARMEN TARANYAN / SCIENCE PHOTO LIBRARY DR ARMEN TARANYAN / SCIENCE PHOTO LIBRARY
Root canal surgery. Close-up of a dentist performing root canal surgery. Root canal dentistry involves drilling, cleaning, disinfecting and filling the infected root canal of a tooth. The root canal is the area, inside the base of a tooth that contains the living root. Here, a drill is being used to remove the infected pulp from within the root canal of the affected lower molar tooth.
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