Fracture resistance of endodontically treated molars restored with horizontal fiberglass posts or indirect techniques (December 2016 Article 2)

CE Credits : 1

Organized by :   American Dental Association (ADA)

Specialties :   Endodontics

Fees Fee :   Starting From Free

Conference Summary

Fracture resistance of endodontically treated molars restored with horizontal fiberglass posts or indirect techniques (December 2016 Article 2) is organized by American Dental Association (ADA). This Course has been approved for a maximum of 1 CE Credit(s).

Description:
Because of the many possibilities for endodontically restoring the posterior teeth and the high prevalence of restoration failures, this topic continues to be of major concern. A composite resin (CR) restoration reinforced by a horizontal fiberglass post may improve the fracture resistance of endodontically treated teeth. The authors investigated this possibility by comparing the fracture resistance of molars restored with direct techniques with that of molars restored with indirect techniques. The authors divided 50 extracted sound third molars into 5 groups: sound teeth, onlay (ON), inlay (IN), direct CR, and transfixed fiberglass post (TFP) plus direct CR. The authors performed standardized mesioocclusodistal cavity preparations and endodontic treatments. The authors cemented indirect restorations of Lava Ultimate (3M ESPE) adhesively in the ON and IN groups. The authors restored CR group teeth directly with Filtek Z230 XT (3M ESPE). In the TFP group, the authors transfixed 2 fiberglass posts horizontally and restored the teeth directly with CR. Thereafter, the authors submitted the teeth to cyclic fatigue loading with 500,000 cycles at 200 newtons. The authors tested fracture resistance in newtons in a universal testing machine. The authors analyzed data with 1-way analysis of variance and a Tukey test (P < .05).

Additional details will be posted as soon as they are available.

Credit Info

  • CE Credits : 1
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