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Related Experiment Videos

A combined direct dowel and indirect core technique.

T Mekayarajjananonth1, S Kiat-amnuay, T J Salinas

  • 1Louisiana State University, School of Dentistry, 1100 Florida Avenue, New Orleans, Louisiana 70119, USA.

Quintessence International (Berlin, Germany : 1985)
|February 24, 2001
PubMed
Summary

This study presents a modified dowel-and-core technique, combining direct and indirect methods for improved dental restorations. The technique ensures accurate fit and reduces chairside time for dentists.

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Area of Science:

  • Restorative Dentistry
  • Prosthodontics

Background:

  • Dowel-and-core restorations are essential when insufficient tooth structure remains for extracoronal restorations.
  • Traditional methods can be time-consuming and may compromise restoration fit.

Purpose of the Study:

  • To introduce a modified dowel-and-core fabrication technique.
  • To improve the accuracy and passive fit of dowel patterns.
  • To optimize chairside efficiency in dental restorations.

Main Methods:

  • Combines direct technique (dowel formation in canal) with indirect technique (laboratory core fabrication).
  • Utilizes polyvinyl siloxane cast or liner for dowel retrieval.
  • Focuses on achieving passive fit of the dowel in the canal preparation.

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Main Results:

  • Enables accurate and passive fit of the dowel pattern.
  • Offers option for retrieving the dowel portion.
  • Reduces overall chairside time for dental procedures.
  • Facilitates preparation of multiple teeth efficiently.

Conclusions:

  • The modified dowel-and-core technique enhances clinical fit and efficiency.
  • Delegating core formation to the laboratory streamlines the restorative process.
  • This approach offers significant advantages for complex restorative cases.