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  • Title: In vitro evaluation of endodontic posts.
    Author: Drummond JL.
    Journal: Am J Dent; 2000 May; 13(Spec No):5B-8B. PubMed ID: 11763868.
    Abstract:
    PURPOSE: To compare stainless steel posts and three different fibrous posts with respect to pullout (shear) strength from extracted third molars embedded in denture acrylic. MATERIALS AND METHODS: Post space was prepared and the posts cemented with a resin cement according to manufacturer's instructions. Single step and multi-step dentin bonding systems were also evaluated. The testing was in tension at a loading rate of 2 mm/min. RESULTS: The statistical analysis indicated no significant difference in the pullout (shear) strength between any of the post groups tested. Also evaluated was the flexure strength of the fibrous posts before and after thermal cycling. Statistical analysis indicated a significant decrease in flexure strength for the respective fibrous posts following thermal cycling.
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