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Updated: Jul 15, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression

Measuring the Complete-arch Distortion of an Optical Dental Impression

Published on: May 30, 2019

A dual impression technique for implant overdentures.

Sina Jannesar¹, Hakimeh Siadat, Marzieh Alikhasi

¹Department of Prosthodontics, School of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists

|April 25, 2007

Summary

This study presents a novel two-stage selective pressure impression technique using custom trays. This method enhances the fit and stability of implant-retained, tissue-supported overdentures for improved patient outcomes.

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Area of Science:

Dental prosthetics
Oral implantology

Background:

Conventional impression techniques can compromise the accuracy for implant-retained overdentures.
Achieving precise fit is crucial for the success of tissue-supported overdentures.

Purpose of the Study:

To describe a refined two-stage selective pressure impression technique.
To improve the accuracy of impressions for implant-retained, tissue-supported overdentures.

Main Methods:

Utilizing a custom tray for a two-stage impression process.
Implementing selective pressure during the impression to account for tissue support and implant components.

Main Results:

The described technique facilitates a more accurate transfer of the implant and tissue relationship.

Related Experiment Videos

Last Updated: Jul 15, 2026

Measuring the Complete-arch Distortion of an Optical Dental Impression

Measuring the Complete-arch Distortion of an Optical Dental Impression

Published on: May 30, 2019

This method aims to reduce potential discrepancies in the final prosthesis fit.

Conclusions:

The two-stage selective pressure impression technique offers a viable approach for fabricating well-fitting implant-retained, tissue-supported overdentures.
This technique has the potential to enhance prosthetic stability and patient comfort.