FIBER POST VS METALLIC POST
An Evidence-Based Evaluation of Post-Endodontic Restorative Systems
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Metallic posts, whether cast or prefabricated, have long been employed for the restoration of endodontically treated teeth owing to their high strength and longevity; however, their elevated elastic modulus compared with dentin predisposes to unfavorable stress concentration, vertical root fractures, compromised esthetics, and difficulty of retrieval. Fiber-reinforced composite posts, composed of glass or quartz fibers in a resin matrix, exhibit an elastic modulus comparable to dentin, thereby promoting more favorable stress distribution, reducing catastrophic failures, and offering superior o...
Metallic posts, whether cast or prefabricated, have long been employed for the restoration of endodontically treated teeth owing to their high strength and longevity; however, their elevated elastic modulus compared with dentin predisposes to unfavorable stress concentration, vertical root fractures, compromised esthetics, and difficulty of retrieval. Fiber-reinforced composite posts, composed of glass or quartz fibers in a resin matrix, exhibit an elastic modulus comparable to dentin, thereby promoting more favorable stress distribution, reducing catastrophic failures, and offering superior optical properties compatible with all-ceramic restorations. While metallic posts remain advantageous in high-load posterior situations, fiber posts are particularly indicated in anterior and esthetically demanding cases, aligning with contemporary biomimetic principles that emphasize tooth preservation and repair-friendly failure modes.
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