Microleakage of Teeth Restored with Different Adhesive Dowel Systems: An In Vitro Study

PurposeCommercial fiber‐reinforced dowel systems are marketed as having better adhesion and sealing ability than conventional metallic dowel systems. The aim of this in vitro study was to evaluate the microleakage of teeth restored with nine dowel systems. Materials and MethodsNinety mandibular seco...

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Published in:	Journal of prosthodontics Vol. 23; no. 1; pp. 45 - 49
Main Authors:	Sari, Turul, Ozyesil, Atilla G
Format:	Journal Article
Language:	English
Published:	United States Blackwell Publishing Ltd 01-01-2014 Wiley Subscription Services, Inc
Subjects:	Cementation - methods Composite Resins - chemistry Dental Alloys - chemistry Dental Bonding - methods Dental Leakage - classification Dental Materials - chemistry Dentistry Elastic Modulus Epoxy Resins - chemistry Fiber fluid filtration Glass - chemistry Humans Materials Testing Polymers - chemistry post Post and Core Technique - instrumentation Quartz - chemistry Resin Cements - chemistry Root Canal Preparation - methods Silicon Dioxide - chemistry Stainless Steel - chemistry Zirconium - chemistry post fluid filtration Fiber
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Summary:	PurposeCommercial fiber‐reinforced dowel systems are marketed as having better adhesion and sealing ability than conventional metallic dowel systems. The aim of this in vitro study was to evaluate the microleakage of teeth restored with nine dowel systems. Materials and MethodsNinety mandibular second premolar teeth were decoronated, and nine homogenous groups were composed of ten teeth each. Root canal and dowel space preparations were made, and eight fiber‐reinforced composite dowel systems and one stainless steel dowel system were used to fabricate dowel restorations. Microleakage measurements of the restored teeth were made with a modified fluid filtration method, and data were collected. One sample Kolmogorov‐Smirnov, one‐way ANOVA, and Tukey‐HSD tests were performed on the relative microleakage data of the groups. ResultsMicroleakage values were reported relative to those for teeth with unfilled canals. The highest and lowest relative microleakage values were recorded for the metallic Parapost (7.06 × 10−4%) and fiber‐reinforced Everstick (3.55 × 10−4%) groups, respectively. Significant differences in relative microleakage between the fiber‐reinforced dowels and stainless steel dowels were observed. Significant differences among the fiber‐reinforced dowel groups were observed as well. ConclusionsThe sealing ability of all fiber‐reinforced composite dowels is not better than that of stainless steel dowels, and there are significant differences among different fiber‐reinforced dowel systems as well. Differences among commercial dowel systems must be taken into consideration when making a selection.
Bibliography:	Selcuk University Scientific Research Projects - No. #05202008 istex:FB160D4CD14C6B0F9A0752BD85AAB0EE671096C1 ark:/67375/WNG-HCH06D9V-R ArticleID:JOPR12054 This study was sponsored by Selcuk University Scientific Research Projects Coordination Department (#05202008) . The authors deny any conflicts of interest ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	1059-941X 1532-849X
DOI:	10.1111/jopr.12054