Clinical and radiographical evaluation of the healing of large periapical lesions using triple antibiotic paste, photo activated disinfection and calcium hydroxide when used as root canal disinfectant

采用三联抗生素糊剂、光活化消毒和氢氧化钙作为根管消毒剂治疗大型根尖周病变，并进行临床和放射学评估。