![]() ![]() Once the Sx file has gained easy access, I typically go straight to the F1, skipping the S1 and S2 unless I can’t get to working length within three to four attempts. With its triangular-shaped cross-section and non-cutting-tip design, I can confidently trust each file to follow the established path. This file is one of my favorites because of how easily it helps to find and open canals, and I have never managed to break one because of how strong the advanced taper is. After completing root chamber access and locating the orifices with a 10 file, the file system setup starts out with a high taper but a relatively short orifice opener called the Sx file. According to company data, the ProTaper Gold files have a 24% increased flexibility and 2.6× greater resistance to cyclic fatigue than ProTaper Universal. The ProTaper Gold ® system follows the same setup that has been used with ProTaper Universal for many years except now the nickel-titanium (NiTi) files are made with significantly advanced metallurgy to provide greater strength and flexibility. Since I already have the setup, I tried out a few of these competitors to see how they held up. ProTaper ® has been one of the market leaders for a long time, but, in the last few years, multiple companies have released files that attempt to replicate and improve on the success of the ProTaper system. At one of my offices, my primary system is ProTaper Gold ® from Dentsply Sirona because I have a traditional motor without reciprocation. If you are a believer in a particular taper and shaping approach, you are probably inclined to shop around for competitors that can achieve the same results as whatever system you are currently using. AGD Impact Testing the Tools columnist Ross Isbell, DMD, MBA, recently reviewed these instruments. There are a lot of endodontic file systems - and enough styles and philosophies on canal shaping - for any practitioner to feel like they’ve treated their patients well.
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