The operator controls the pressure without having to manually perform the watch-winding movement. With very little apical pressure, the file smoothly and efficiently “floats” down the canal. File separation via torsional and cyclic fatigue has created the biggest fear and risk for dentists using rotary nickel titanium (NiTi) files for root canal treatment 1-2) Increasing the resistance to file separation has been a focus for new NiTi rotary instrument design and manufacturing.The operator controls coronal and apical pressures. The chuck has been designed to oscillate, mimicking the watch-winding motion used when hand filing. The watch-winding, oscillating movement of this endo handpiece keeps the hand file floating in the canal.Both feature a specialized chuck compatible with most hand files.The M4 Safety Handpiece can be used with any E-Style motor while the new M4 TC2 is designed for use with TC cordless handpieces. SybronEndo's M4 Safety and M4 TC2 Handpieces have been designed to navigate canals quickly, efficiently and effectively with hand files.Available for E-style motors or TC Cordless Handpieces. SybronEndo’s M4 Safety® handpieces have been designed to navigate canals quickly, efficiently and effectively with hand files.That's the "Safety" in the M4 Endodontic Handpiece. 0:00 / 42:36 CABINET PRODIGUE Test Materiel Endo : M4 safety handpiece SybronEndo 1,669 views Test de la M4 Safety Handpiece de SybronEndo par Kerr. The operator controls coronal and apical pressures, while the M4 smoothly and efficiently "glides" the endo instrument through the canal. Kerr Endodontics M4 Safety Handpiece has several features designed to aid the endodontic practitioner in efficiently and effectively performing root canal therapy. The watch-winding, oscillating movement of this endo handpiece keeps the hand file "floating" in the canal. Kerr Endodontics' M4 Safety Handpiece has several features designed to aid the endodontic practitioner in efficiently and effectively performing root canal therapy. SybronEndo M4 Saftey E-type attachment with push button latch head.
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