In this study cases in the age group of 18-40 years were selected from the Out Patient Department of D.A.V. (C) Dental College & Hospital, Yamuna Nagar. Traditionally autografts have been used as the first choice, as they do not provoke immune reaction that may cause rejection. Potential problem associated with alternative bony substitutes such as; donor site complication and transmission of various infectious agents are eliminated. The present study was an attempt to evaluate clinically and radiographically the efficacy of regenerative potential of natural hydroxyapatite.

Key words : Natural Hydroxyapatite, Periapical Surgery, Bone Regeneration