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Removal of a pulp stone from a second mandibular molar suffering from irreversible pulpitis. Micro-ct evaluation of the external and internal structure of the pulp stone. Notice that the structure of the pulp stone is not solid, presenting an internal network of unmineralized tissue. The clinical significance is that the pulp stones can be dissected in smaller pieces and removed (clinical, radiographic, and micro-CT images courtesy of Dr. Chaniotis Antonis).
