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Related Experiment Videos

[Removal of two calcium hydroxide preparations: S.E.M. study].

P Guignes1, F Brunel, A Maurette

  • 1Faculté de Chirurgie Dentaire de Toulouse.

Revue Francaise D'Endodontie : Publication Officielle De La Societe Francaise D'Endodontie
|December 1, 1991
PubMed
Summary

Calcium hydroxide, a common endodontic temporary filling, is difficult to remove. This study found no significant difference in removal difficulty between its pharmaceutical and commercial forms.

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Area of Science:

  • Dentistry
  • Endodontics
  • Materials Science

Background:

  • Calcium hydroxide (Ca(OH)2) is a widely used temporary medication in endodontic treatments.
  • Various formulations of calcium hydroxide preparations exist for clinical application.

Purpose of the Study:

  • To compare the in vitro elimination efficacy of pharmaceutical versus commercial forms of calcium hydroxide.
  • To analyze the impact of different calcium hydroxide forms on dentinal wall surfaces.

Main Methods:

  • In vitro evaluation of calcium hydroxide removal from root canals.
  • Scanning Electron Microscopy (SEM) for surface analysis of dentinal walls.
  • X-ray microanalysis to assess material composition on dentinal surfaces.

Main Results:

Related Experiment Videos

  • Calcium hydroxide removal from root canals presents challenges.
  • No statistically significant difference was observed in the ease of elimination between the pharmaceutical and commercial forms of calcium hydroxide.
  • SEM and X-ray microanalysis revealed similar residual aspects on dentinal walls regardless of the preparation form.

Conclusions:

  • Both pharmaceutical and commercial forms of calcium hydroxide are difficult to completely eliminate from endodontic systems.
  • Clinical protocols for calcium hydroxide removal may need to account for its tenacious nature, irrespective of the preparation form used.