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Related Experiment Videos

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

E A Lee1

  • 1University of Pennsylvania, Philadelphia, USA.

Practical Periodontics and Aesthetic Dentistry : PPAD
|January 15, 2000
PubMed
Summary

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

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Area of Science:

  • Dental Materials Science
  • Prosthodontic Techniques

Background:

  • Accurate dental impressions are crucial for complex fixed prosthodontic restorations.
  • Current material technologies present challenges in achieving predictable impression accuracy, especially in multi-abutment cases.

Purpose of the Study:

  • To present a protocol for consistently obtaining accurate impressions for complex fixed prosthodontic restorations.
  • To demonstrate the efficacy of polyether impression materials and automatic instrumentation in achieving reliable results.

Main Methods:

  • A specific protocol utilizing polyether impression materials was developed.
  • Automatic instrumentation was employed to enhance the impression technique.
  • The protocol was illustrated with multiple clinical examples, including extensive cases.

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Main Results:

  • The presented protocol consistently yields accurate impressions.
  • The technique proved reliable even in complex cases with multiple abutments and extensive preparatory phases.
  • Minimal auxiliary personnel support was required.

Conclusions:

  • A reliable and reproducible protocol for accurate dental impressions in complex prosthodontics is established.
  • Polyether materials and automatic instrumentation offer a viable solution for challenging impression-taking scenarios.
  • This technique simplifies the process, ensuring predictable outcomes for fixed restorations.