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Mounting casts on a new plasterless plane line articulator.

A S von Gonten, W A Welker

The Journal of Prosthetic Dentistry

|December 1, 1983

Summary

A new dental cast mounting technique avoids plaster errors and saves time, enabling quick, reliable cast repositioning on plane line articulators. Further research is needed to confirm the accuracy of remounting dental casts.

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Area of Science:

Dental Technology
Prosthodontics
Dental Materials Science

Background:

Traditional dental cast mounting relies on plaster or artificial stone, which can introduce dimensional inaccuracies.
Accurate mounting of dental casts onto articulators is crucial for effective prosthodontic treatment planning and fabrication.

Purpose of the Study:

To describe a novel technique for mounting dental casts on a plane line articulator without using plaster or artificial stone.
To evaluate the advantages and disadvantages of this new mounting method compared to conventional techniques.

Main Methods:

A technique was developed for mounting dental casts directly onto a plane line articulator.
The method was assessed for speed, reliability of repositioning, and avoidance of material-induced errors.

Main Results:

The described technique eliminates dimensional change errors associated with plaster or artificial stone mountings.
Dental casts can be mounted and articulated in under 3 minutes.
The casts can be removed and reattached to the articulator with high precision and reliability.

Conclusions:

This plasterless technique offers significant advantages in terms of speed and accuracy for mounting dental casts.
Limitations include the absence of adjustable horizontal condylar guidance and an anterior guide pin.
Further investigation is warranted to validate the accuracy of repeatedly remounting casts using this instrument.

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