An in vitro comparative study of film thickness of five root canal sealers
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Abstract:
Background And Aim
An adequate film thickness is an important property of an endodontic sealer, when used in combination with gutta-percha, ensuring an hermetic three- dimensional root canal obturation. Film thickness also affects the sealing ability of sealers. The aim of the present study was to compare the film thickness of the following five root canal sealers: RSA, Topseal, 2Seal, AH26 and Acroseal in Islamic Azad University at 2006.
Materials and Methods
In this experimental study all root canal sealers were mixed following mixing procedures advised by manufacturers. A small amount of sealer was placed between two glass plates and a load of 200 gr was applied vertically on the top glass plates for 10 minutes. After setting, the thickness of sealers was measured with a set of digital calipers accurate to 0.01mm. The procedure was repeated ten times for each sealer (n=10). The all data were analyzed by One-way ANOVA and Tukey HSD tests.
Results
The mean film thickness (mm) were respectively: AH26=0.36±0.020, Acroseal=0.37±0.019, Topseal= 0.41±0.014, 2Seal=0.38±0.014, RSA=0.040±0.018. AH26, 2Seal and Acroseal showed the best results, but differences among the three groups of sealers were not statistically different. RSA and Topseal showed the highest film thickness and a statistically significant difference was noted among these sealers and the others, but difference among RSA and Topseal was not statistically different.
Conclusion
All root canal sealers had acceptable film thickness, but AH26 showed the least film thickness.
Language:
Persian
Published:
Journal of Dental School, Volume:26 Issue: 3, 2009
Page:
319
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