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https://hdl.handle.net/2440/52608
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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 1879-0097 |
Statement of Responsibility: | 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 Humans Carbon Quartz Composite Resins Resin Cements Dentin-Bonding Agents Cementation 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/j.dental.2007.05.012 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/601024/description#description |
Published version: | http://dx.doi.org/10.1016/j.dental.2007.05.012 |
Appears in Collections: | Aurora harvest 5 Dentistry publications |
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