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Members Made of Elastoplastic Material

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The behavior of elastoplastic materials under bending stresses, particularly in structural members with rectangular cross-sections, is crucial for predicting material responses and understanding failure modes. Initially, when a bending moment is applied, the stress distribution across the section follows Hooke's Law and is linear and elastic. This distribution means the stress increases from the neutral axis to the maximum at the outer fibers, up to the elastic limit.
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Related Experiment Video

Updated: Jul 9, 2026

Applying Permanent, Robust Stenciled Patterns of Fine Particles to Elastomeric Surfaces

Applying Permanent, Robust Stenciled Patterns of Fine Particles to Elastomeric Surfaces

Published on: July 8, 2025

Predictable elastomeric impressions in advanced fixed prosthodontics: a comprehensive review.

Ernesto A Lee¹

¹Postdoctoral Periodontal Prosthesis, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Practical Procedures & Aesthetic Dentistry : PPAD

|November 28, 2007

Summary

Achieving accurate dental impressions for complex restorations is challenging. This study presents a reliable protocol using various materials and automatic instrumentation for consistent, high-quality results in extensive cases.

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Last Updated: Jul 9, 2026

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Published on: December 20, 2024

Area of Science:

Dental materials science
Prosthodontic techniques

Background:

Accurate dental impressions are crucial for complex fixed prosthodontic restorations.
Current material technology presents challenges in predictable impression procurement, especially for multi-abutment cases.

Purpose of the Study:

To present a protocol for consistently achieving accurate impressions.
To address the challenges in complex fixed prosthodontic restorations.
To illustrate the technique with clinical examples.

Main Methods:

Utilized various impression materials.
Employed automatic instrumentation.
Developed a protocol for extensive cases with multiple abutments.

Main Results:

The presented technique consistently yields accurate impressions.
Reliable results were achieved in extensive and complex prosthodontic cases.
Minimal auxiliary personnel support was required.

Conclusions:

The protocol offers a reliable method for obtaining accurate impressions in complex fixed prosthodontics.
This technique simplifies the procurement of high-quality impressions, even in challenging clinical scenarios.