Effect of laser activation of natural herbal extracts as final irrigants on the microhardness of coronal pulp chamber and apical root dentin. | ||
| Egyptian Dental Journal | ||
| Volume 71, Issue 4 - Serial Number 5, October 2025, Pages 3531-3539 PDF (302.03 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/edj.2025.403038.3551 | ||
| Authors | ||
| Yasmin Tawfik Mohamed sobh1; Mona RIZK aboelwafa Ahmed2 | ||
| 1Lecturer of Endodontics, Department of Endodontics, Faculty of Dentistry, Sinai University - Kantara branch | ||
| 2Lecturer of Operative Dentistry, Department of operative Dentistry, Faculty of Dentistry, Sinai University - Kantara branch | ||
| Abstract | ||
| Background The current research analyzed and compared the impact of laser activation of natural herbal extract alternatives (black seed and green tea extract) as final irrigants against the conventional ethylenediaminetetraacetic acid solution (EDTA) on the microhardness of coronal pulp chamber and apical root dentin. Material and Methods 36 extracted human lower first premolars were chosen. Each tooth was sliced longitudinally into 2 halves (72 specimens) that were randomly categorized into three groups depending on the final irrigant; 7% black seed, 12% green tea extract, and 17% EDTA solution. Typical quantities of 3 ml of each solution were utilized for one minute and finally activated by diode laser for one minute. The microhardness values were assessed initially and following final irrigation by implementing a Vickers indentor with a weight (50 grams) and dwell period (10 seconds). The percentage decline in microhardness was displayed. The statistical data were evaluated through a one-way analysis of variance and the post hoc Tukey test. The t-test was employed for comparing the various microhardness values with a P value (p ≤ 0.05). Results Following final irrigation, all the proposed irrigants considerably reduced the microhardness of the pulp chamber and apical root dentin (P ≤ 0.05). There was a remarkable difference related to the decline of microhardness among either the black seed or the green tea and EDTA group. Conclusions laser activated 12% green tea or 7% black seed extract produced less decrease in the coronal pulp chamber and apical root dentin microhardness compared to 17% EDTA. | ||
| Keywords | ||
| Black seed extract; Green tea extract; microhardness; natural herbal extracts | ||
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