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Q Series: Your Trusty Sidekick
Dental Advisor Biomaterials Research center released two studies evaluating cutting efficiency, debris removal and cyclic fatigue resistance of Komet's Q Series files, Procodile Q™ and FQ, against WaveOne® Gold and ProTaper Ultimate. The results speak for themselves.
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The Proof is in the Design
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Both Procodile Q™ and FQ removed significantly more debris than WaveOne® Gold and ProTaper Ultimate due to their double-S cross section.
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The design allows Q Series to remove longer strips of debris because there are more contact points.
The below images show cross-sectional views of #035 medium files. Procodile Q is shown in Figure 1.1 and features a more acute cutting angle with a ~106° cutting edge. WaveOne® Gold is shown in Figure 1..2 and feature a parallelogram design with ~85° cutting edge resulting in more of a scraping mode of instrumentation.
Procodile Q™ Figure 1.1 WaveOne® Gold Figure 1.2
The below images show cross-sectional views of 20.06 FQ files and 20.07 ProTaper Ultimate files sectioned at 8 mm and 13 mm from the tip. FQ is shown in Figure 2.1 and features a more acute cutting angle with a ~110-130° cutting edge and 2 smooth lands which function to reduce transportation, screw-in effect and aid in debris removal. ProTaper Ultimate is shown in Figure 2.2 and features a parallelogram design with a variable ~85-105° cutting edge.
FQ Figure 2.1 ProTaper Ultimate Figure 2.2
References: M. Cowen, J.M. Powers. (2022). Laboratory Evaluation of Procodile Q Endodontic Files. DENTAL ADVISOR Biomaterials Research Center.
M. Cowen, J.M. Powers. (2023). Laboratory Evaluation of FQ Rotary Endodontic files. DENTAL ADVISOR Biomaterials Research Center.