http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
In this lecture we will describe the relationship of the root canal anatomy to the lesions that are developed at the periradicular area. We will also give all the details how to remove safely different kind of materials like gutta-percha, silver cones, broken instruments, posts and pastes. Details will be given as to avoid any mistakes that would possibly endanger the retreatment perforations and absorptions will be treated in a fast, predictable and simple way.