Abstract
Introduction
This in vitro study compared debridement efficacies of a sonic irrigation technique (Vibringe;
Cavex Holland BV, Haarlem, The Netherlands) with side-vented needle irrigation (SNI)
in the mesiobuccal root of maxillary first molars.
Methods
Twenty roots with narrow isthmuses (≤1/4 canal diameter) were selected using micro–computed
tomography scanning. Collagen solution was injected into canals/isthmuses and reconstituted
with NH4OH to simulate canal debris. Each root was sealed apically and embedded in polyvinyl siloxane
simulating a closed-canal system. Canals were instrumented to size 40/.04 taper 1
mm short of the anatomic apex. The final irrigation was performed with the Vibringe
or SNI. Roots were demineralized, sectioned at 6 levels (1.2–3.2 mm) from the anatomic
apex, and stained using Masson trichrome stain. The areas occupied by canals and isthmus
and the debris-containing areas were statistically analyzed with repeated-measures
analyses using “irrigation technique” as the between factor and “canal level” as the
within factor (α = 0.05).
Results
Canals had significantly more debris at 1.2 and 1.6 mm (P < .001), but there was no overall difference between the 2 techniques (P = .561). Significant differences were found between the Vibringe and SNI at 2.4,
2.8, and 3.2 mm (P < .05). There was no significant difference in the remaining debris in the isthmus
for SNI at all (P > .05). Considerably more debris remained at 1.2 and 2.0 mm for the Vibringe (P < .05). A significant difference was observed between the canal and the isthmus (P < .001).
Conclusions
There is no difference between the Vibringe and SNI in their overall debridement efficacy
in apical one third of the mesiobuccal root of maxillary first molars.
Key Words
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Article info
Publication history
Published online: July 23, 2012
Footnotes
The opinions or assertions contained herein are the private views of the author and not to be construed as official or as reflecting the views of the U.S. Army Medical Department, Department of the Army, or the Department of Defense. Citation of commercial organizations and trade names in the manuscript do not constitute any official Department of the Army of Department of Defense endorsement or approval of the services of these organizations.
Identification
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Published by Elsevier Inc.
