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Fig. 7 | Evidence-Based Endodontics

Fig. 7

From: Apical termination of root canal procedures—ambiguity or disambiguation?

Fig. 7

Histological view of the root apex with root canal filling terminating 2–3 mm from the end of the root. Note the tissue below the root filling is periodontal in nature and the walls of the canal in this area are covered with cementum. There is also a hard tissue barrier that has formed adjacent to the root filling that may have been induced by dentin chips or represents an osteocemental response. This presentation amplifies the fact that in many teeth the pulp and pulpal canal terminates far above the anatomical root end

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