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Related Experiment Videos

Root canal irrigation with citric acid solution

M Yamaguchi1, K Yoshida, R Suzuki

  • 1Department of Endodontics, School of Dentistry, Aichi-Gakuin University, Nagoya, Japan.

Journal of Endodontics
|January 1, 1996
PubMed
Summary

Citric acid and EDTA solutions were evaluated for root canal irrigation. Citric acid demonstrated superior decalcifying properties and broad-spectrum antibacterial effects against root canal bacteria.

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Area of Science:

  • Endodontics
  • Dental Materials Science
  • Microbiology

Background:

  • Root canal irrigation is crucial for effective endodontic treatment.
  • Decalcifying and antimicrobial agents are essential components of root canal cleaning protocols.
  • Citric acid and ethylenediaminetetraacetic acid (EDTA) are commonly used irrigants.

Purpose of the Study:

  • To investigate the decalcifying and cleansing properties of citric acid and EDTA solutions.
  • To evaluate the antibacterial effects of citric acid and EDTA solutions on root canal bacteria.

Main Methods:

  • Dentin-resin mixtures were used to assess decalcifying efficacy.
  • Twelve bacterial strains from infected root canals were tested for susceptibility.
  • Solubility tests were performed with varying concentrations of citric acid and EDTA.

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Main Results:

  • Citric acid solutions (0.5 M, 1 M, 2 M) showed greater solubility of dentin-resin mixtures compared to 0.5 M EDTA.
  • Citric acid exhibited significant antibacterial activity against all tested bacterial strains.

Conclusions:

  • Citric acid is a more effective decalcifying agent than EDTA for root canal irrigation.
  • Citric acid possesses broad-spectrum antibacterial properties beneficial for endodontic treatment.
  • Both agents play vital roles in root canal disinfection and debridement.