Effect of two irrigation protocols and obturation techniques on the apical sealing ability of different root canal sealers: An in vitro study

Abstract

The aim of a successful root canal treatment is to clean and shape the root canal system to receive a three-dimensional impermeable filling. [1] Gutta-percha is the most common core material, which can be used with different types of root canal sealers and obturation techniques to fill the root canal system. [2] Warm vertical compaction is a commonly used obturation technique developed by Schilder in 1976. It could improve the adaptation of the obturation materials to the root canal walls and filling of lateral and accessory canals. [3] However, this technique requires a longer time and is difficult to apply. In an attempt to simplify the warm vertical condensation of gutta-percha, Buchanan suggested the continuous wave condensation technique using the System B heating device. [4] With the widespread use of rotary NiTi instruments, and the introduction of matched-taper gutta-percha or Resilon cones, the noncompaction matched taper single-cone obturation