أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Step back technique is a root canal preparation technique in which, after finding the size of Master Apical File, an endodontist reduce the length of the endodontic file as much as one milimeter every time he use larger number of the subsequent endodontic file.
