Influence of Negotiation, Glide Path, and Preflaring Procedures on Root Canal Shaping—Terminology, Basic Concepts, and a Systematic Review

  • Plotino Gianluca
  • Nagendrababu Venkateshbabu
  • Bukiet Frédéric
  • Grande Nicola
  • Veettil Sajesh
  • De-Deus Gustavo
  • Aly Ahmed Hany Mohamed


The definition of glide path and preflaring procedures remains controversial. Glide path preparation significantly reduces canal transportation and the risk of debris extrusion. Coronal preflaring increases the accuracy of working length determination and decreases the amount of debris extrusion.