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Related Experiment Videos

Clinical procedure for luting glass-fiber posts.

A Vichi1, S Grandini, M Ferrari

  • 1Department of Restorative Dentistry, School of Dental Medicine, University of Siena, Italy.

The Journal of Adhesive Dentistry
|March 15, 2002
PubMed
Summary

This study documents a simple clinical technique for bonding glass-fiber posts using a self-activating dual-cure adhesive system and self-curing resin cement. SEM analysis confirmed a reliable bonding mechanism to root dentin.

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Area of Science:

  • Dental materials science
  • Restorative dentistry
  • Biomaterials

Background:

  • Fiber-reinforced posts are widely used in endodontic restorations.
  • Effective luting protocols are crucial for long-term restoration success.
  • Self-activating dual-cure systems offer convenience in clinical application.

Observation:

  • The clinical luting procedure involved a self-activating dual-cure adhesive system and proprietary self-curing resin cement.
  • Glass-fiber posts were bonded into root canal preparations under clinical conditions.
  • Scanning Electron Microscopy (SEM) was used to analyze the bonding interface.

Findings:

  • SEM observations revealed that the bonding mechanism to root dentin involved the formation of a hybrid layer.
  • Resin tags and adhesive lateral branches were evident at the interface.

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  • These findings indicate a robust micromechanical interlocking between the post, cement, and dentin.

    • Implications:

    • The described luting procedure is straightforward and can be readily adopted into daily dental practice.
    • This technique provides a reliable method for bonding translucent glass-fiber posts.
    • The observed bonding mechanism supports the clinical efficacy of this adhesive and cement system.