Quantitative Analysis of Defects at the Dentin-Post Space in Endodontically Treated Teeth
AbstractThe 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
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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.
Di Comite M, Crincoli V, Fatone L, Ballini A, Mori G, Rapone B, Boccaccio A, Pappalettere C, Grassi FR, Favia A. Quantitative Analysis of Defects at the Dentin-Post Space in Endodontically Treated Teeth. Materials. 2015; 8(6):3268-3283.Chicago/Turabian Style
Di Comite, Mariasevera; Crincoli, Vito; Fatone, Laura; Ballini, Andrea; Mori, Giorgio; Rapone, Biagio; Boccaccio, Antonio; Pappalettere, Carmine; Grassi, Felice R.; Favia, Angela. 2015. "Quantitative Analysis of Defects at the Dentin-Post Space in Endodontically Treated Teeth." Materials 8, no. 6: 3268-3283.