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ITALIAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY

A Journal on Vascular and Endovascular Surgery


Official Journal of the Italian Society of Vascular and Endovascular Surgery
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Italian Journal of Vascular and Endovascular Surgery 2017 September;24(3):101-6

DOI: 10.23736/S1824-4777.17.01279-7

Copyright © 2017 EDIZIONI MINERVA MEDICA

language: English

Microleakage of two root-end filling materials in the cavities prepared by laser and ultrasonic technique: an in-vitro study

Zakiyeh DONYAVI 1, Elham KHOSHBIN 1, Mohammad ESMAEILZADEH 2, Loghmam REZAEI-SOUFI 3, Najme KERMANI 1

1 Department of Endontics Dentistry, Dental Research Center, Hamedan University of Medical Science, Hamedan, Iran; 2 Department of Pediatric Dentistry, Dental Research Center, Hamedan University of Medical Science, Hamedan, Iran; 3 Department of Restorative Dentistry, Dental Research Center, Hamedan University of Medical Science, Hamedan, Iran


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BACKGROUND: The present study determined the microleakage of two root-end filling materials in the cavities prepared by Er:YAG 2940 nm laser and ultrasonic techniques.
METHODS: In this in-vitro trial, 100 single-rooted teeth were prepared by ProTaper files and after having their crowns to be filled with glass-ionomer, their 3-mm root-ends were cut and the specimens were allocated to 4 groups. The root-end cavities were prepared by ultrasonic tips and Er:YAG 2940 nm laser while mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement were used as root-end filling materials. The teeth surfaces were coated by 2 layers of nail varnish up to root-end region. The leakage were subjected to one-sided analysis of variance test in 4 groups and the paired comparisons were done by Tukey test.
RESULTS: The leakage values were 2.46±0.56 μ for ultrasonic/CEM cement group while it was 2.71±0.46 μ, 2.07±0.57 μ and 2.09±0.51 μ for the ultrasonic/MTA, laser/CEM cement and laser/MTA groups respectively. Significant differences existed among 4 groups of root-end cavity preparation techniques and root-end filling materials (P<0.0001). The effects of laser and ultrasonic to prepare root-end cavities on the leakage values were significant (P<0.0001), so that lower leakage values were noted for laser groups as compared to ultrasonic. The materials of root-end filling had no significant effect on the leakage values.
CONCLUSIONS: Due to the decreased leakage using laser for root-end cavity preparation compared to ultrasonic tips and similar leakage values between MTA and CEM cement used as root-end filling materials, Er:YAG laser is proposed for the root-end cavity preparation and CEM cement can be used as an alternative for MTA to fill root-end cavities. However, in-vivo studies are required in this regard.


KEY WORDS: Dental caries - Lasers - Dental cements

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Publication History

Issue published online: September 28, 2017
Manuscript accepted: May 5, 2017
Manuscript received: April 18, 2017

Cite this article as

Donyavi Z, Khoshbin E, Esmaeilzadeh M, Rezaei-Soufi L, Kermani N. Microleakage of two root-end filling materials in the cavities prepared by laser and ultrasonic technique: an in-vitro study. Ital J Vasc Endovasc Surg 2017;24:101-6. DOI: 10.23736/S1824-4777.17.01279-7

Corresponding author e-mail

maghaledandan@gmail.com