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Although endodontic therapy is typically successful, in approximately 10%-15% of the cases, symptoms can persist or reoccur. Periapical surgery is the preferred treatment of choice in failed root canal therapy, chronic periapical lesion, persistent apical periodontitis, etc., i.e., when conventional treatment modalities fail. Over the past few decades, although the list of indications for endodontic surgery has diminished, there exist definite cases in which the tooth cannot be retained without surgery. This case report, however, sheds light on the incorporation of a novel autologous platelet concentrate-concentrated growth factor (CGF) coupled with an osseograft in surgical endodontic procedure to ensure a swift and successful recovery of the periapical region subjected to extensive lesions. The use of an osseograft combined with CGF has numerous advantages as well due to the formation of sticky bone. There are no articles published in the literature with respect to the potent application of CGF and bone graft (sticky bone) in large periapical lesions to aid in the reparative process. In this case report, the 1-year follow-up radiographs and cone-beam computed tomography showed complete healing of the hard and soft-tissue lesions that conform to achieving repair and regeneration at a rapid rate in extensive periapical lesions.

Concentrated growth factor – surgical management of large periapical lesion using a novel platelet concentrate in combination with bone graft