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Effect of Intracanal Glass-Ionomer Barrier Thickness on Microleakage in Coronal Part of Root in Endodontically Treated Teeth: An In Vitro Study | ||
| Journal of Dentistry | ||
| مقاله 1، دوره 21، شماره 1 - شماره پیاپی 66، خرداد 2020، صفحه 1-5 اصل مقاله (402.78 K) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.30476/dentjods.2019.77830. | ||
| نویسندگان | ||
| Armaghan Alikhani1؛ Maryam Babaahmadi2؛ Najme Etemadi* 3 | ||
| 1Dept. of Operative Dentistry, School of Dentistry, Ahvaz University of Medical Sciences, Iran | ||
| 2Dentist, School of Dentistry, Ahvaz University of Medical Sciences, Iran | ||
| 3Resident of Operative Dentistry, School of Dentistry, Ahvaz University of Medical Sciences, Iran | ||
| چکیده | ||
| Statement of the Problem: The most common cause of endodontic treatment failures is improper coronal sealing. Therefore, besides to proper root sealing, coronal sealing which is supported by a proper restoration has a major role in endodontic treatment success, and coronal microleakage should be considered as an etiologic factor in endodontic treatment failure. Glass-ionomer (GI) has been proposed as a coronal barrier for microleakage after endodontic treatment. Purpose: This study aimed to evaluate the coronal microleakage in GI-obturated root canals in endodontically treated teeth using different thicknesses of GI. Materials and Method: In this invitro study, forty-five single-rooted extracted human teeth with single canals were collected and disinfected with 0.5% chloramine solution. After endodontic treatment, teeth were divided into 3 groups. In the group 1 to 3, 1 to 3 mm of gutta-percha was removed and GI was replaced at 1-, 2- and 3-mm thicknesses respectively. Then subgroups were placed in methylene blue dye and the microleakage was assessed using dye penetration. Results: The mean dye penetration in groups 1, 2 and 3 were 5.1, 3.7 and 2.9, respectively, with statistically significant differences. Group 1 exhibited the highest amount of dye penetration while group 3 showed the least one. Moreover, a significant difference between groups 1 and 2 (p = 0.002) and a non-significant difference between groups 2 and 3 (p = 0.098) was detected in mean dye penetration. Conclusion: Thicker layers of GI might decrease the coronal microleakage. GI at 3-mm thickness resulted in the best protective effect on coronal microleakage in endodontically treated teeth, though further studies are needed to confirm these results. | ||
| کلیدواژه‌ها | ||
| Endodontically treated teeth؛ Glass-ionomer؛ Sealing | ||
| مراجع | ||
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