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Type: Journal article
Title: Effect of two fiber post types and two luting cement systems on regional post retention using the push-out test
Author: Wang, V.
Chen, Y.
Yip, K.
Smales, R.
Meng, Q.
Chen, L.
Citation: Dental Materials, 2008; 24(3):372-377
Publisher: Elsevier Sci Ltd
Issue Date: 2008
ISSN: 0109-5641
Statement of
Vivian J.-J. Wang, Ya-Ming Chen, Kevin H.-K. Yip, Roger J. Smales, Qing-Fei Meng and Lijuan Chen
Abstract: <h4>Objective</h4>To investigate regional root canal push-out bond strengths for two fiber-reinforced post types using two adhesive systems.<h4>Methods</h4>The crowns of 24 recently extracted sound maxillary central incisors were sectioned transversely 2 mm coronal to the labial cemento-enamel junction, and the roots treated endodontically. Following standardized post space preparations, fiber-reinforced posts (C-POST; AESTHETI-PLUS) were placed using two adhesive systems (acid-etch ONE-STEP PLUS/C&B CEMENT; self-adhesive RelyX Unicem), in four equal groups. Push-out bond strength tests were performed at four sites in each root. Results were analyzed using split-plot ANOVA, with a=0.05 for statistical significance.<h4>Results</h4>AESTHETI-PLUS quartz fiber-reinforced posts showed significantly higher push-out strengths than C-POST carbon fiber-reinforced posts (P<0.0001). The separate acid-etch adhesive system resulted in significantly higher bond strengths than the self-etch self-adhesive system (P<0.0001). Bond strengths decreased significantly from coronal to apical root canal regions (P<0.0001).<h4>Significance</h4>The quartz fiber-reinforced post placed using the separate acid-etch adhesive system provided significantly better post retention than the carbon fiber-reinforced post placed using the self-etch self-adhesive system.
Keywords: Incisor
Composite Resins
Resin Cements
Dentin-Bonding Agents
Analysis of Variance
Dental Bonding
Acid Etching, Dental
Dental Stress Analysis
Post and Core Technique
Dental Prosthesis Retention
Carbon Fiber
Description: Copyright © 2007 Academy of Dental Materials Published by Elsevier Ltd.
DOI: 10.1016/
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Appears in Collections:Aurora harvest 5
Dentistry publications

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