Citations:ledging


 * 2001, William A. Hustrulid, W. A. Hustrulid, Richard C. Bullock, Underground Mining Methods: Engineering Fundamentals and International Case Studies, SME (ISBN 9780873351935), page 177:
 * Equipping a stope for mining at the completion of ledging is a most time-consuming process. The standard of stope equipping and installation of equipment determines the ultimate productivity of the stope. In the normal equipping process, the ...
 * 2009, Mahmoud Torabinejad, Richard E. Walton, Endodontics: Principles and Practice, Elsevier Health Sciences (ISBN 9781416038511), page 330:
 * Length
 * Longer canals are more prone to ledging than shorter canals. Careful attention to maintaining patency is required to prevent ledging.
 * Initial Size
 * Smaller-diameter canals are more easily ledged than larger-diameter canals. In summary ...
 * 2017, Kaplan, NBDE Part II Lecture Notes, Simon and Schuster (ISBN 9781506212814), page 20:
 * Ledging is an artificial irregularity iatrogenically created on the surface of the root canal wall that impedes instrumentation to the apex of a normally patent and accessible canal. Ledging may occur at the canalorifice or farther apically, and ...