The present pilot clinical study was undertaken to evaluate and compare apexogenesis induced by revascularization, with and without Platelet Rich Plasma (PRP) in non vital, immature, anterior teeth. 25 cases comprising of 28 non-vital, immature, maxillary incisors were recruited for the study.The patients were categorized into two groups: - group I in which revascularization was induced without any additional material being introduced into the canal & group II where revascularization was supplemented with platelet rich plasma carried on a collagen sponge. Three of twenty five cases were...