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Dr. Michael Gonsky D.D.S. Poconorootcanal.com michaelgonsky@yahoo.com Slide 2 ProFile Rotary Files ProFile Vortex Files, Vortex Blue and Vortex Orifice openers GT and GT series X Files ProTaper and Protaper next Wave one Slide 3 EndoSequence, Brasseler Quantec K3 files, SybronEndo Twisted File, SybronEndo LightSpeed and LigthSpeed LSX Slide 4 Edgefile X1 for Waveone users Edgefile X3 for Protaper users Edgefile X5 for GT and GTX users EdgefileX7 for Vortex, Profile,K3 Twisted file and EndoSequence users Slide 5 Slide 6 Safer, faster, more flexible Slide 7 Hybridized refers to using multiple systems Passive means having a gentle touch that follows established guide paths Crown down starts at coronal orifice and works to apical terminus Advantages Slide 8 Orifice Widening Glide path into apical third of the canal Coronal Preflare Glide path to apical foramen Extension of access into apical terminus of preparation Preparation of the apical seat Slide 9 Slide 10 Slide 11 Slide 12 Slide 13 Slide 14 Scouting files Working length Apical glide path (#20 file) Recapitulation Slide 15 After orifice widening Niti instruments require a glide path In this technique it must extend beyond the 17 mm depth of the GT files 08 and 10 file into apical one third using lubricant and irrigation Slide 16 All Niti instruments require a glide path Preflare reduces cyclic fatigue and taper lock Allows debris removal early to prevent apical extrusion of infected material Select job specific instrument (GT #20 17mm.12.10.08.06) Slide 17 Slide 18 Slide 19 Slide 20 Slide 21 Slide 22 Slide 23 Everything preceding this step is designed to promote complete control of this most critical step This is the BIOLOGICAL ZONE Hybridization is key Slide 24 Apex Locater and then 08 file to radiographic apex (seat is 1mm short of radiographic apex) Flexible files, Balanced force technique Narrow vs wide apical preparation Slide 25 Slide 26 Apical preps approaching size 100 Slide 27 Round instruments cleaning oval canals