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Despite the various advances in root canal treatment, the morphology of apical third will never change. Terminal region of apical third of the root is called as apical terminus; this region can be anatomically challenged, altered by pathologic resorption or iatrogenic misadventure. Main objective for successful endodontic treatment is to clean and fill the apical third of root without altering its original morphology. To maintain the morphology of apical third we need to preserve the apical constriction. Keeping the apical constriction at its original position and size by utilizing newer and advanced aids, has great value for the prevention of iatrogenic events, facilitating excellence in irrigation, instrumentation, obturation as well as regeneration and providing the best possible clinical result. Author Information Tapati Sinhal earned her BDS and is is a student working on her MDS, in Conservative Dentistry and Endodontics, from K. M. Shah Dental College and Hospital, Sumandeep Vidyapeeth, India. Ruchi Rani P. Shah BDS, MDS earned her MDS from K.M. Shah Dental College Hospital in 2012 and BDS from Modern Dental College and Research Centre, Indore in 2004. Nimisha Shah BDS, MDS is Professor and Head of the Department of Conservative Dentistry and Endodontics, K.M. Shah Dental College & Hospital, Vadodara, India.
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