Fracture Strength and Stress Distribution in Premolars Restored with Cast Post-and-Cores or Glass-Fiber Posts Considering the Influence of Ferule

<div>Examples of failure patterns observed in the study. (a) Type 1, cementation fracture. (b) Type 2, fracture in the cervical third. (c) Type 3, fracture in the middle third. (d) Type 4, fracture in the apical third. (e) Type 5, longitudinal fracture. (a) and (b) repairable fractures; (c), (d), and (e) irreparable fractures.</div>

BioMed Research International

fig1

Figure 1

Figure 1: Fracture Strength and Stress Distribution in Premolars Restored with Cast Post-and-Cores or Glass-Fiber Posts Considering the Influence of Ferule 

Figure 1 | Fracture Strength and Stress Distribution in Premolars Restored with Cast Post-and-Cores or Glass-Fiber Posts Considering the Influence of Ferule 