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An in-vitro evaluation of sealer placement methods
F H Kahn1, P A Rosenberg, L Schertzer
1New York University College of Dentistry, Department of Endodontics, NY 10010, USA.
International Endodontic Journal
|May 1, 1997
Summary
Effective root canal filling relies on proper sealer placement. The lentulo spiral and Max-i-Probe Delivery System demonstrated superior sealer distribution in simulated curved canals compared to other methods.
Area of Science:
- Endodontics
- Dental Materials Science
- Restorative Dentistry
Background:
- Successful root canal therapy necessitates complete obturation of the root canal system.
- Sealer placement is a critical step influencing the long-term success of endodontic treatment.
- Evaluating different sealer delivery methods is essential for optimizing clinical outcomes.
Purpose of the Study:
- To investigate and compare the efficacy of six distinct methods for root canal sealer placement.
- To assess the uniformity of sealer distribution within simulated curved root canals.
Main Methods:
- An in vitro study utilizing clear plastic blocks with simulated curved canals.
- Canals were instrumented using a step-back technique.
- Six different sealer placement techniques were evaluated, followed by cross-sectioning and microscopic analysis.
Main Results:
- The lentulo spiral and Max-i-Probe Delivery System were found to be the most effective methods for sealer placement.
- Ultrasonic and sonic files showed moderate effectiveness in sealer distribution.
- Paper points and K-files were the least effective techniques for achieving even sealer coverage.
Conclusions:
- The choice of sealer delivery method significantly impacts the quality of root canal obturation.
- Lentulo spirals and the Max-i-Probe Delivery System offer superior sealer placement efficacy in curved canals.
- Clinicians should consider these findings when selecting instruments for endodontic sealer delivery.