Internal root resorption is associated with
progressive destruction of intraradicular dentin due to
the activation of clastic cells. The treatment requires
elimination of the causative factors and repair of the
resorptive defect with biocompatible materials. Calcium
hydroxide intracanal medicament, sodium hypochlorite
irrigation and MTA are effective adjuvants in managing
root resorptive defects. Endodontic management of
resorption requires specific modifications in cleaning,
shaping and obturation techniques.
Keywords : Internal Root Resorption, MTA, OPG/RANKL/RANK Transcription Factor, Clastic Cells.