Periapical radiolucency is a sign of an inflammatory process in the bone, surrounding the apex of the root. The healing of periapical lesions is dependent on various factors, one of which is the type and characteristics of endodontic sealer. By increasing the pH and producing a tight seal, bioceramic sealers are expected to facilitate the healing process. Purpose: The aim of this pilot study is to present the healing process of lesions of endodontic origin when BioRoot RCS (Septodont, France)

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... s used as an endodontic sealer. Materials and Methods: Five cases with lesions of endodontic origin were cleaned and shaped using Pro Taper Gold System, EDTA, NaOCl, and obturated with single cone hydraulic condensation technique using BioRoot RCS. Results: Cases are followed for at least 18 months. X-Rays show apposition of bone and recovery of the periodontal space. Our results correspond to the literature data found in available scientific sources. Conclusion: Bioceramics is the first group of endodontic sealers that exhibit both expansion during setting and also an adhesive bond to the dentinal wall. These properties suggest more predictable results.