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An injection technique for generating direct resin post and core patterns

A J Coleman1, J Urquiola

  • 1Division of Restorative and Prosthodontic Sciences, New York University, New York 10010, USA.

Quintessence International (Berlin, Germany : 1985)
|November 1, 1996
PubMed
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A new injection technique rapidly creates direct post and core patterns using autopolymerizing acrylic resin. This method is simpler, faster, and more accurate than existing bead-brush techniques for dental restorations.

Area of Science:

  • Dental Materials Science
  • Restorative Dentistry

Background:

  • Direct post and core patterns are essential for restoring endodontically treated teeth.
  • Existing methods like the bead-brush technique have limitations in speed and accuracy.

Purpose of the Study:

  • To introduce and evaluate a novel injection technique for fabricating direct post and core patterns.
  • To compare the efficiency and accuracy of the new technique against the bead-brush method.

Main Methods:

  • Utilized autopolymerizing acrylic resin, a serrated plastic pin, and a syringe with a disposable needle and plug.
  • Injected the acrylic resin directly into the prepared root canal to form the post and core pattern.

Main Results:

  • The injection technique demonstrated rapid generation of direct post and core patterns.

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  • The technique proved to be simple and accurate.
  • It was found to be faster than the conventional bead-brush technique, overcoming some of its drawbacks.

    • Conclusions:

    • The described injection technique offers a rapid, simple, and accurate alternative for creating direct post and core patterns.
    • This method presents a viable improvement over the bead-brush technique in restorative dentistry.