Removal of Separated Files from Root Canals With a New File-removal System: Case Reports

Success Rates for Removing or Bypassing Fractured Instruments: A Prospective Clinical Study

“…This finding is consistent with the published literature on fractured instrument removal and bypassing, which largely comprises case reports and basic science articles in which a variety of techniques and approaches were used (15)(16)(17)(18)(19)(20)(21). Few clinical trials have been conducted, and those available report success rates ranging from 33.3%-95% (9,13).…”

Evaluating Two Techniques on Removal of Fractured Rotary Nickel-Titanium Endodontic Instruments from Root Canals: An In Vitro Study

“…Therefore, the approach to remove the separated fragments should always include a combination of new techniques and devices that most probably result in a higher success rate and at the same time minimize the amount of dentin sacrificed with less time consumed (34). It seems that the removal of fractured NiTi instruments is more influenced by factors such as degree of root canal curvature, radius of curvature, location of the fragment, and length of the fragment than the specific technique used (32).…”

Biocorrosion of Endodontic Files through the Action of Two Species of Sulfate-reducing Bacteria: Desulfovibrio desulfuricans and Desulfovibrio fairfieldensis

“…[6][7][8] However, no technique is completely safe since, perforations, destruction or reduction in the resistance of the tooth root can occur. 9,10 Manual endodontic files are instruments manufactured with austenitic stainless steel alloys and used in root canal treatment to eliminate organic substrates, debris and microorganisms. 2,11 These instruments are relatively resistant to corrosion as they have chromium in their microstructure.…”