Comparison of Apexification and Regenerative Endodontic Therapy: a Retrospective Study

Inclusion Criteria: * Apexification treatment was applied by a single operator (GK) in Istanbul University Faculty of Dentistry, Department of Pedodontics, * Having no systemic or periodontal problems, * Asymptomatic or diagnosed with apical periodontitis with fistula tract, * Not having external/internal resorption, fracture, more than one root/canal, * Root canal filling is sufficient for the MTA group, * Root canal filling and coronal restorations were completed in Istanbul University Faculty of Dentistry Department of Pedodontics, * Cases with periapical radiographs taken before the procedure and at least one year after the procedure was included. Exclusion Criteria: * Cases treated by different pediatric dentists, * Cases in which apexification is performed by different operators, * Cases with systemic or periodontal disease, * Cases with external/internal resorption, fracture, more than one root/canal, * Cases where root canal filling is not sufficient * Cases in which root canal filling and conoral restorations were completed over 2 years, * Cases without radiographs taken before or at least one year after the procedure, * Cases with artifacts in the periapical region on their radiographs