Effect of Gallic Acid on the Filling Quality of an Epoxy Resin – Based Root Canal Sealer | ||||
| Egyptian Dental Journal | ||||
| Article 23, Volume 67, Issue 3 - Serial Number 4, July 2021, Page 2831-2837 PDF (815.05 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/edj.2021.79427.1666 | ||||
 View on SCiNiTO | ||||
| Author | ||||
Ashraf Dawood  
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| Lecture of Endodontics, Faculty of Dentistry, Kafr Elsheikh University | ||||
| Abstract | ||||
| Purpose: our study evaluated the effect of Gallic acid irrigation as a final rinse after sodium hypochlorite (NaOCL) irrigation on the filling Quality of an expoxy resin – based sealers. Methods and Materials: Twenty single- rooted human teeth were prepared with the protaper system. The specimens were then divided into the following groups: 5.25%NaOCL irrigation (NaOCL group) and 5.25%NaOCL + 10% gallic acid (gallic acid group). The root canals were filled using single cone technique with protaper F3 cones and Diapro – seal sealer, labeled with rhodamine B dye to allow analysis under a confocal laser scanning microscopy (CLSM). All Samples were sectioned at 3, 5 and 7 mm form the apex and prepared for CLSM analysis. The Penetration segments of the canal were calculated at the apical, middle and coronal thirds. The Mann – Whitney statistical test was used at 5 % significans level. Results: higher percentage of gaps and voids were observed at all root thirds of the NaOCL group when compared to the gallic acid group (P Conclusion: our in vitro results showed that the use of gallic acid as an antioxidant agent after NaOCL irrigation promoted a better interfacial adaptation and penetration of epoxy resin – based root canal sealers. | ||||
| Keywords | ||||
| confocal laser scanning microscopy; Root canal filling; sodium hypochlorite; gallic acid | ||||
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