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Materials 2015, 8(6), 3268-3283; doi:10.3390/ma8063268

Quantitative Analysis of Defects at the Dentin-Post Space in Endodontically Treated Teeth

1
Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari, Piazza G. Cesare, 11, Bari 70124, Italy
2
Interdisciplinary Department of Medicine, University of Bari, Piazza G. Cesare, 11, Bari 70124, Italy
3
Department of Biomedical and Experimental Sciences, University of Foggia, Viale Luigi Pinto, 1, Foggia 71122, Italy
4
Department of Mechanics, Mathematics and Management, Polytechnic of Bari. Viale Japigia, 182, Bari 70126, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Ihtesham ur Rehman
Received: 6 April 2015 / Revised: 26 May 2015 / Accepted: 2 June 2015 / Published: 4 June 2015
(This article belongs to the Special Issue Dental Materials)
View Full-Text   |   Download PDF [1744 KB, uploaded 4 June 2015]   |  

Abstract

The objective of this study was to assess frequency and extension of the defects affecting the dentin-post interface after using different combinations of irrigants and sealers. The experimental work was conducted on single-rooted teeth extracted for orthodontic reasons. The specimens were divided into different groups, according to irrigant and endodontic cement utilized, and endodontically instrumented. After fiberglass posts cementation, cross sections were obtained at apical, middle and coronal level of the root and submitted to quantitative analyses. Different types of defects were found: bubbles, bonding defects, polymerization defect, and cement residues. The percent extension of each defect and its frequency were related to the specific irrigant/sealer combination and to the root level. Detachments of the material from dentin were found only at apical and middle levels. Chlorhexidine digluconate seems to have more beneficial effects if compared to sodium hypochlorite: samples prepared with chlorhexidine digluconate showed a higher performance, with roots including null to few defects. In detail, samples treated with chlorhexidine digluconate and Pulp Canal Sealer showed the lowest frequency and the smallest dimension of defects. View Full-Text
Keywords: endodontic cements; irrigants; endoposts; adhesive defects; morphometric analysis endodontic cements; irrigants; endoposts; adhesive defects; morphometric analysis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Di Comite, M.; Crincoli, V.; Fatone, L.; Ballini, A.; Mori, G.; Rapone, B.; Boccaccio, A.; Pappalettere, C.; Grassi, F.R.; Favia, A. Quantitative Analysis of Defects at the Dentin-Post Space in Endodontically Treated Teeth. Materials 2015, 8, 3268-3283.

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