Rake Angle – The K3 has a slightly positive angle that maximizes cutting efficiency (Fig. Non-cutting tip – Minimizes ledging and transportation (Fig. The characteristics and features of the K3 system are: 02 tapered K3 NiTi rotary files are soon to be launched. 10 taper) and a full set of ISO-sized NiTi rotary files, sizes #15 through 60, in. The K3 system is comprised of two NiTi rotary orifice-openers (.08 and. Computer-assisted innovations in file design in conjunction with sophisticated technique protocols enables safe and predictable clinical results.Ī new and innovative third-generation NiTi rotary system, the K3™ (SybronEndo) was recently introduced to the dental marketplace. Therefore, instruments with a higher degree of fracture resistance as well as safer procedural protocols are warranted. These iatrogenic complications may have a negative influence on the successful outcome of treatment. However, exceeding their torque limits or inappropriate usage may result in sudden file breakage or canal transportation. The super-elasticity and self-centering features of Nickel-Titanium (NiTi) endodontic files has made it possible to instrument moderately and severely curved root canals with relative ease and safety as compared to traditional stainless-steel files. Their clinical use in a maxillary second molar with four canals is described in a step-by-step approach. This case report discusses the clinical use of a 3rd generation NiTi file rotary system that incorporates computer-assisted design characteristics for increased safety and effectiveness.
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