Great Lecture from Professor Zhang - Master in Regenerative Endodontics. #DrBrezhnev #Regeneration #Revascularization #Pulp #Dentine #StemCells #GrowthFactor #Scaffold #Endo #Endodontics #Microsurgery #ДрБрежнев #Регенерация #Реваскуляризация #Пульпа #Де