Abstract
Teeth with crown structure less than 50% can be restored. Therefore, it is of interest to evaluate an in vitro efficacy of Zirconia post, Glass fiber post, polyethylene-woven fiber posts, and Quartz posts. Forty eight recently extracted mandibular first premolar teeth were randomly grouped in to 4 different groups with 12 samples in each group. After endodontic treatment samples in all groups underwent post preparation followed by restoration with respective posts. The mean fracture resistance (Newton) were 463.5 ą 14.3 (Group I) 425.2ą 23.5 (group II), 410.4ą 18.6 (Group 3) and 385.2 ą 14.2 (group 4). Data shows that Zirconia post had highest fracture resistance compared to other tested groups.
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3 articles.
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