Talking shop with a human endodontist: Rotary and reciprocating endodontic filesJanuary 7, 2020Since many veterinary dentists are utilizing rotary and reciprocating file technology, John Lewis decided to get input from an endodontist for humans on how its use has affected his practice.
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Surgical endodontics: When all else fails...May 6, 2019In my previous two columns, we looked at conventional (orthograde) root canal therapy, along with vital pulp therapy. This time, we will discuss surgical (retrograde) endodontics. In instances where orthograde root canal therapy has failed, a decision needs to be made to either perform a second orthograde root canal therapy or to proceed to the next step: surgical endodontics. Extraction would be a third option for a failed root canal procedure if the owner no longer chooses to salvage the endodontically diseased tooth. Besides its use as a treatment when orthograde root canal therapy fails, retrograde root canal therapy may be the chosen course of action when an instrument breaks off while performing an orthograde procedure. Instruments most likely to break off in the canal include Lentulo spiral paste fillers, barbed broaches, and rotary files. Sometimes the detached instrument portion can be entombed in endodontic filling material during orthograde obturation, but if not, a retrograde procedure may be warranted. The procedure What is surgical root canal therapy? A surgical approach is made over the apical portion of the root, and bone is carefully removed to expose the root area (Figure 1). The apical 4 mm of the root is surgically …
