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Related Experiment Videos

Effects of pH on the dentin surface.

W Scherer1, D Binder, S David

  • 1Division of Restorative Dentistry and Prosthodontic Sciences, New York University College of Dentistry.

Journal of Esthetic Dentistry
|September 1, 1992
PubMed
Summary

Acidic primers did not significantly affect microleakage at tooth margins. Scanning electron microscopy showed smear layer alterations, suggesting further clinical studies are needed for acidic dentin treatment evaluation.

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Area of Science:

  • Dental Materials Science
  • Adhesive Dentistry

Background:

  • Acidic primers are used in dental restorations.
  • Their effect on prepared dentin surfaces requires thorough investigation.

Purpose of the Study:

  • To evaluate the impact of acidic primers on prepared dentin.
  • To assess microleakage and surface alterations using scanning electron microscopy (SEM).

Main Methods:

  • A microleakage study comparing five materials.
  • Scanning electron microscopy (SEM) analysis of prepared dentin specimens.

Main Results:

  • No significant differences in microleakage were observed at enamel and dentin margins among the tested materials.
  • SEM revealed alterations in the smear layers of all specimens after acidic primer application.

Conclusions:

  • Acidic primers did not significantly increase microleakage in this study.
  • Observed smear layer alterations warrant further investigation.
  • Long-term clinical studies are recommended to assess the efficacy of acidic dentin treatment.

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