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Related Experiment Videos

Displacement of border tissues during final impression procedures

A M Abdel-Hakim1, S A al-Dalgan, G M al-Bishre

  • 1Department of Removable Dental Sciences, King Saud University, College of Dentistry, Riyadh, Saudi Arabia.

The Journal of Prosthetic Dentistry
|February 1, 1994
PubMed
Summary

Two impression techniques for edentulous patients showed no significant differences in reproducing maxillary tissue form. The second method, using tissue treatment material and light-body polysulfide, is recommended for patient convenience and clinician efficiency.

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Area of Science:

  • Dentistry
  • Prosthodontics
  • Dental Materials

Background:

  • Accurate reproduction of maxillary tissue form is crucial for complete denture fabrication in edentulous patients.
  • Conventional impression techniques can be time-consuming and may cause patient discomfort.

Purpose of the Study:

  • To compare the efficacy of two distinct impression procedures for capturing the maxillary tissue form in edentulous patients.
  • To evaluate patient comfort and clinician efficiency associated with each technique.

Main Methods:

  • Two impression procedures were evaluated in five edentulous patients, each repeated thrice.
  • Procedure 1: Modeling plastic for border molding with regular-body polysulfide for tissue contour.
  • Procedure 2: Tissue treatment material for border molding with light-body polysulfide for tissue contour.

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Main Results:

  • No statistically significant differences were observed in the casts' profiles between the two procedures.
  • Peripheral tissues were easily displaced with minimal manipulation using both methods.
  • The second procedure demonstrated superior patient convenience and time efficiency for the clinician.

Conclusions:

  • Both impression techniques effectively reproduce maxillary tissue form in edentulous patients.
  • The second procedure offers advantages in terms of patient comfort and clinical efficiency, making it a recommended option.