•  
  •  
 

Article Type

Article

Abstract

Aim: To evaluate and compare the effectiveness of different chelating agents including EDTA, citric acid, green tea extract (Camellia sinensis, and chitosan on dentin micro-hardness.Materials and Methods: Fifty palatal roots of maxillary first molars were instrumented using ProTaper Next system and randomly divided into five groups (n = 10) according to the final irrigation protocol: Group A (NaOCl +distilled water - Negative control), Group B (17% EDTA-Positive control), Group C (10% citric acid), Group D (green tea extract), and Group E (0.2% chitosan nanoparticles). Dentin micro-hardness was measured using Vickers hardness tester. Data were analyzed using one-way ANOVA and Tukey post-hoc test.Results: Micro-hardness test revealed There were significant differences between the groups in the coronal, middle, and apical sections of the root canal (p < 0.05), respectively. In the coronal section, group C showed higher VHN compared to group B (p < 0.05). No significant differences between other groups (p > 0.05). In the middle section, groups B and D exhibited lower VHN compared to A, C and E (p < 0.05). In the apical section, group B showed lower VHN compared to A, C,,D and E (p < 0.05).Conclusion: Citric acid demonstrated superior performance by maintaining higher dentin micro-hardness compared to conventional EDTA. This suggests its potential as a biocompatible alternative chelating agent in endodontic treatment. Citric acid and chitosan showed intermediate effectiveness, with citric acid maintaining better dentin hardness values compared to other groups.

Keywords

Chelating agents, Herbal extract, EDTA, Dentin microhardness, and root canal irrigation

Download

Share

COinS