Sarıçam, Esma, Bülent Altunkaynak, and Güven Kayaoğlu. 2019. “ProTaper Retreatment System Versus Balanced Force Technique for Apical Extrusion and Gutta-Percha Removal”. International Dental Research 9 (2): 63-68. https://doi.org/10.5577/intdentres.2019.vol9.no2.5.