2004•PubMedRequires access

Effect of no ferrule on failure of teeth restored with bonded posts and cores.

Clarisse C. H. Ng, Manal I. Al‐Bayat, Herman B. Dumbrigue, Jason A. Griggs, Charles W Wakefield

Abstract

This study investigated how the absence of a ferrule affected the failure load of teeth that had been restored with bonded fiber posts and resin cores. There was a significant difference (p < 0.001) between the ferrule and nonferrule groups' load to failure. For the ferrule group, root fracture was the predominant mode of failure; in the nonferrule group, debonding failures were predominant.

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Available abstract

Key concepts: Ferrule, Dentistry, Materials science, Significant difference, Post and core, Tooth root, Fiber, Fracture (geology)