Abstract
Introduction
The aim of this study was to evaluate the removal of dentin debris from artificially
made grooves in standardized root canals by 6 different final irrigation techniques.
Methods
Conventional syringe irrigation, manual dynamic activation (MDA) with tapered or nontapered
gutta-percha (GP) cones, the Safety Irrigator system, continuous ultrasonic irrigation
(CUI), and apical negative pressure (ANP) irrigation were tested ex vivo in 20 root canals with a standardized, debris-filled groove in the apical portion
of one canal wall. After each irrigation procedure, the groove was photographed, and
the residual amount of dentin debris was scored.
Results
There was no significant difference between the MDA with a nontapered GP cone, the
Safety Irrigator, and the ANP irrigation. These techniques produced better cleaning
efficacy than syringe irrigation (P < .005) but significantly worse than the MDA with a tapered cone (P < .05). CUI was significantly better than all the other techniques tested in this
study (P < .001).
Conclusions
CUI was the most effective technique in dentin debris removal from the apical irregularities,
and syringe irrigation alone was the least effective. MDA technique was more effective
with a tapered GP cone than with a nontapered one.
Key Words
To read this article in full you will need to make a payment
Purchase one-time access:
Academic & Personal: 24 hour online accessCorporate R&D Professionals: 24 hour online accessOne-time access price info
- For academic or personal research use, select 'Academic and Personal'
- For corporate R&D use, select 'Corporate R&D Professionals'
Subscribe:
Subscribe to Journal of EndodonticsAlready a print subscriber? Claim online access
Already an online subscriber? Sign in
Register: Create an account
Institutional Access: Sign in to ScienceDirect
References
- Eradication of endodontic infection by instrumentation and irrigation solutions.Endod Topics. 2005; 10: 77-102
- A scanning electron microscopic evaluation of four root canal irrigation regimens.J Endod. 1987; 13: 147-157
- Effects of four Ni-Ti preparation techniques on root canal geometry assessed by micro computed tomography.Int Endod J. 2001; 34: 221-230
- The capability of two hand instrumentation techniques to remove the inner layer of dentine in oval canals.Int Endod J. 2003; 36: 218-224
- Influence of the oscillation direction of an ultrasonic file on the cleaning efficacy of passive ultrasonic irrigation.J Endod. 2010; 36: 1372-1376
- Effectiveness of different final irrigant activation protocols on smear layer removal in curved canals.J Endod. 2010; 36: 1361-1366
- A bio-molecular film ex-vivo model to evaluate the influence of canal dimensions and irrigation variables on the efficacy of irrigation.Int Endod J. 2008; 41: 60-71
- The efficacy of dynamic irrigation using a commercially available system (RinsEndo) determined by removal of a collagen ‘bio-molecular film’ from an ex vivo model.Int Endod J. 2008; 41: 602-608
- Laser-activated irrigation within root canals: cleaning efficacy and flow visualization.Int Endod J. 2009; 42: 1077-1083
- Efficacy of ultrasonic versus laser-activated irrigation to remove artificially placed dentin debris plugs.J Endod. 2010; 36: 1580-1583
- The efficacy of ultrasonic irrigation to remove artificially placed dentine debris from different-sized simulated plastic root canals.Int Endod J. 2004; 37: 607-612
- The efficacy of ultrasonic irrigation to remove artificially placed dentine debris from human root canals prepared using instruments of varying taper.Int Endod J. 2005; 38: 764-768
- Comparison of the EndoVac system to needle irrigation of root canals.J Endod. 2007; 33: 611-615
- Comparison of the cleaning efficacy of a new apical negative pressure irrigating system with conventional irrigation needles in the root canals.Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2010; 109: 479-484
- Comparison of the debridement efficacy of the EndoVac irrigation system and conventional needle root canal irrigation in vivo.J Endod. 2010; 36: 1782-1785
- In vitro comparison of passive and continuous ultrasonic irrigation in simulated lateral canals of extracted teeth.J Endod. 2012; 38: 688-691
- Prevalence and extent of long oval canals in the apical third.Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2000; 89: 739-743
- The evaluation of removal of calcium hydroxide paste from an artificial standardized groove in the apical root canal using different irrigation methodologies.Int Endod J. 2007; 40: 52-57
- Factors promoting the tissue dissolving capability of sodium hypochlorite.Int Endod J. 1982; 15: 187-196
- Evaluation of a sonic device designed to activate irrigant in the root canal.J Endod. 2010; 36: 143-146
- Ex vivo assessment of irrigant penetration and renewal during the cleaning and shaping of root canals: a digital subtraction radiographic study.Int Endod J. 2010; 43: 275-282
- An in vitro comparison of ultrasonic and conventional methods of irrigant replacement.Int Endod J. 1989; 22: 174-178
- Ex vivo assessment of irrigant penetration and renewal during the final irrigation regimen.Int Endod J. 2010; 43: 663-672
- Root canal debridement using manual dynamic agitation or the EndoVac for final irrigation in a closed system and an open system.Int Endod J. 2010; 43: 1001-1012
- Canal and isthmus debridement efficacies of two irrigant agitation techniques in a closed system.Int Endod J. 2010; 43: 1077-1090
- Comparative safety of various intracanal irrigation systems.J Endod. 2009; 35: 545-549
- Efficacy of different irrigation and activation systems on the penetration of sodium hypochlorite into simulated lateral canals and up to working length: an in vitro study.J Endod. 2010; 36: 1216-1221
- Effect of apical preparation size and preparation taper on irrigant volume delivered by using negative pressure irrigation system.J Endod. 2010; 36: 721-724
- An evaluation of the effect of pulsed ultrasound on the cleaning efficacy of passive ultrasonic irrigation.J Endod. 2010; 36: 1887-1891
Article info
Publication history
Published online: April 26, 2012
Footnotes
Supported by the Technology Foundation STW, which is the Applied Sciences Division of the Netherlands Organization of Scientific Research NWO, and the Technology Program of the Ministry of Economic Affairs.
Identification
Copyright
© 2012 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.
