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Related Experiment Videos

Dentin bridge formation following direct pulp capping in dog's

K Mochizuki1, H Fujii, Y Machida

  • 1Department of Pediatric Dentistry, Tokyo Dental College, Chiba, Japan.

The Bulletin of Tokyo Dental College
|July 15, 1998
PubMed
Summary

This study compared Calvital and Dycal for direct pulp capping in dogs. Both materials supported root formation, but Calvital showed earlier dentin bridge formation than Dycal.

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Area of Science:

  • Dental Materials Science
  • Regenerative Endodontics

Background:

  • Direct pulp capping is a vital clinical procedure for preserving pulp vitality.
  • Calcium hydroxide (Ca(OH)2) based materials are commonly used for direct pulp capping.
  • Assessing the efficacy of different Ca(OH)2 formulations is crucial for optimizing treatment outcomes.

Purpose of the Study:

  • To evaluate and compare the effectiveness of two calcium hydroxide pastes, Calvital and Dycal, for direct pulp capping.
  • To assess the dentin bridge formation and root development following direct pulp capping in immature permanent teeth.

Main Methods:

  • Forty-eight vital premolar teeth with incompletely formed roots in dogs were used.
  • Exposure sites were capped with either Calvital or Dycal.
  • Tetracycline was administered intravenously, and animals were sacrificed at 56 days for histological evaluation using microradiography and ultraviolet light.

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Main Results:

  • A fluorescent line from tetracycline administration at 7 days was observed in the newly formed dentin bridge for Calvital.
  • A fluorescent line from tetracycline administration at 14 days was observed in the newly formed dentin bridge for Dycal.
  • Continued physiological root formation was observed in all treated teeth.

Conclusions:

  • Both Calvital and Dycal demonstrated the potential to stimulate dentin bridge formation and support continued root development.
  • Calvital exhibited a faster rate of dentin bridge formation compared to Dycal.
  • The delayed mineralization observed with Dycal may contribute to earlier postoperative failures.