Antibacterial Efficacy of N-Acetyl Cysteine Combined with Two Photodynamic Therapy Protocols Against Enterococcus faecalis in Infected Root Canals: An In Vitro Study: NAC with PDT Against E. faecalis in Root Canals. G Ital Endodon [Internet]. 2025 Nov. 7 [cited 2025 Nov. 8];39(3). Available from: https://www.giornaleitalianoendodonzia.it/gie/article/view/536