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Related Experiment Videos

Biomechanical considerations in restoring endodontically treated teeth

D Assif1, C Gorfil

  • 1Section of Oral Rehabilitation, Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Israel.

The Journal of Prosthetic Dentistry
|June 1, 1994
PubMed
Summary
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The use of posts in restoring endodontically treated teeth is debated. Some evidence suggests posts strengthen roots, while other research indicates they weaken them, impacting fracture resistance.

Area of Science:

  • Dental materials science
  • Biomechanical engineering
  • Restorative dentistry

Background:

  • Restoration of endodontically treated teeth lacks standardized documentation.
  • Controversy exists regarding the necessity and effect of posts in root strengthening.
  • Conflicting research suggests posts may weaken or not improve root fracture resistance.

Purpose of the Study:

  • To analyze the biomechanical implications of post-supported restorations.
  • To evaluate the impact of posts on the fracture resistance of endodontically treated teeth.
  • To present a recommended clinical approach for post placement.

Main Methods:

  • Biomechanical analysis of root structures with and without posts.
  • Review of existing literature on post-endodontic restorations.

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  • Evaluation of fracture resistance under occlusal loading.

    • Main Results:

    • Conflicting evidence on whether posts strengthen or weaken endodontically treated roots.
    • Posts may not significantly improve resistance to fracture during occlusion.
    • Potential for posts to compromise the structural integrity of the root.

    Conclusions:

    • The role of posts in endodontic restorations requires careful consideration.
    • Biomechanical analysis suggests potential risks associated with post placement.
    • A cautious, evidence-based clinical approach is recommended for restoring endodontically treated teeth.