Microleakage of endodontically treated teeth restored with posts |
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Authors: | WS Bachicha PM DiFiore DA Miller EP Lautenschlager DH Pashley |
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Affiliation: | Division of Endodontics, Northwestern University Dental School, Chicago, IL 60611, USA. |
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Abstract: | A fluid filtration system using 15 psi of pressure on the penetrating fluid was used to quantify the amount of microleakage of a stainless-steel post and a carbon-fiber post system, each placed with various cements. Statistical analysis showed that there was a significant difference in microleakage between the cements (p < 0.001). Zinc phosphate cement showed the most microleakage, whereas C & B Metabond cement showed the least. There was no significant difference in microleakage between the stainless-steel and carbon-fiber posts. The results of this study showed that both posts, when cemented with dentin-bonding resin cements (C & B Metabond and Panavia-21), exhibited less microleakage than when cemented with non-dentin-bonding cements (glass ionomer and zinc phosphate). |
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