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Related Experiment Video

Updated: May 24, 2026

Pressure-polishing Pipettes for Improved Patch-clamp Recording

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Published on: October 22, 2008

Precision porcelain jacket crown technique.

E J Riley¹, R B Sozio, F Casthely

¹Harvard School of Dental Medicine, Boston, Mass 02115, USA.

The Journal of Prosthetic Dentistry

|February 17, 2012

Summary

This summary is machine-generated.

A new method simplifies creating aluminous porcelain crowns without platinum foil. This technique uses a ceramic refractory die to form an aluminous core, which acts as a coping for a precise fit.

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Area of Science:

Dental Materials Science
Prosthodontics

Background:

Traditional fabrication of aluminous porcelain crowns often involves platinum foil, adding complexity and cost.
Ensuring an accurate fit is crucial for the longevity and function of dental restorations.

Purpose of the Study:

To describe a simplified technique for fabricating aluminous porcelain crowns.
To demonstrate the accuracy of fit achieved with this novel method.

Main Methods:

Fabrication of an aluminous core directly on a ceramic refractory die, eliminating the need for platinum foil.
Utilizing the retrieved aluminous core as a coping on the master cast.
Illustrating the technique using a standard Bureau of Standards full-crown die.

Main Results:

A straightforward method for constructing aluminous porcelain crowns has been developed.
The technique allows for the fabrication of an aluminous core that serves as a functional coping.
The accuracy of fit was demonstrated on a standardized dental die.

Conclusions:

This platinum foil-free technique offers a simpler approach to aluminous porcelain crown fabrication.
The method ensures a precise fit, suitable for clinical application.
This innovation has the potential to streamline the production of high-quality dental crowns.