The effectiveness of syringe irrigation and ultrasonics to remove debris from simulated irregularities within prepared root canal walls

International Endodontic Journal
S-J LeeP R Wesselink

Abstract

To compare the ability of syringe irrigation and ultrasonic irrigation to remove artificially placed dentine debris from simulated canal irregularities within prepared root canals. After canal enlargement, twelve canines were split longitudinally into two halves. On the wall of one half of each root canal a standard groove of 4 mm in length, 0.2 mm in width and 0.5 mm in depth was cut, 2-6 mm from the apex, to simulate uninstrumented canal extensions. On the wall of the other half, three standard saucer-shaped depressions of 0.3 mm in diameter and 0.5 mm in depth were cut at 2, 4 and 6 mm from the apex to simulate uninstrumented canal irregularities. Each groove and depression were filled with dentine debris mixed with 2% NaOCl to simulate a situation when dentine debris accumulates in uninstrumented canal extensions and irregularities during canal preparation. Each tooth was re-assembled by reconnecting the two halves, using wire and an impression putty material. Two per cent NaOCl was then delivered into each canal either using syringe irrigation (n = 8) or using ultrasonic irrigation (n = 8). Before and after irrigation, images of the two halves of the canal wall were taken, using a microscope and a digital camera, after whi...Continue Reading

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Citations

Sep 17, 2008·Srpski arhiv za celokupno lekarstvo·Aleksandar MitićVladimir Mitić
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May 30, 2007·International Endodontic Journal·V HauserM Frentzen
Apr 28, 2006·International Endodontic Journal·M-K WuP R Wesselink

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