The impact of root end filling material type and the application of bone graft on healing of periapical tissues after endodontic microsurgery (a clinical randomized controlled trial)

Salah, Hesham Mohamed; Hashem, Ahmed Abdel Rahman; Mustafa, Tarek; Soliman, Amgad Hassan; Khallaf, Mustafa; Haddadeen, Haseeb; Ahmed Hashem Khalifa;