In Vitro Evaluation of Ferrule Effect  and Depth of Post Insertion on Fracture Resistance of Fiber Posts

<table>Ferrule effect. A circumferential collar of tooth structure at least 2 mm in height was preserved at the gingival aspect of the preparation.</table>

Computational and Mathematical Methods in Medicine

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Figure 2

Figure 2: In Vitro Evaluation of Ferrule Effect  and Depth of Post Insertion on Fracture Resistance of Fiber Posts 