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[Comparative study on dogs between CO2 laser and conventional technique in direct pulp capping].

S Nammour1, M Tielemans, D Heysselaer

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Summary

CO2 laser irradiation significantly improves direct pulp capping success. This method enhances pulp vitality preservation and dentinal bridge thickness compared to conventional techniques.

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Area of Science:

  • Dentistry
  • Biomaterials
  • Laser Applications

Background:

  • Direct pulp capping is a dental procedure to maintain pulp vitality.
  • Pulp exposure can occur during cavity preparation.
  • Effective pulp capping materials and techniques are crucial for tooth preservation.

Purpose of the Study:

  • To evaluate the efficacy of CO2 laser irradiation in direct pulp capping.
  • To compare laser-assisted direct pulp capping with the conventional method.

Main Methods:

  • Class V cavities with intentional pulpal communication were created in dog teeth.
  • Teeth were divided into two groups: CO2 laser irradiation followed by calcium hydroxide, and conventional calcium hydroxide application.
  • Histological analysis was performed after ten weeks.

Main Results:

  • 93% pulp vitality was preserved with CO2 laser direct pulp capping versus 82% with the conventional technique.
  • The average dentinal bridge thickness was significantly greater (391.5 µm) in the laser group compared to the conventional group (294.1 µm).
  • CO2 laser treatment resulted in a 33% increase in dentinal bridge thickness.

Conclusions:

  • CO2 laser irradiation is a promising adjunct for direct pulp capping.
  • This technique significantly enhances pulp vitality preservation and promotes thicker dentinal bridge formation.
  • Laser-assisted direct pulp capping offers superior outcomes over conventional methods.