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ORIGINAL ARTICLE
Year : 2019  |  Volume : 9  |  Issue : 3  |  Page : 192-197

The degree of crown discoloration induced by a bioceramic and other conventional endodontic sealers


1 Restorative and Prosthetic Dentistry Department, College of Dentistry, Dar Al Uloom University; Endodontics Department, College of Dentistry, Riyadh Elm University, Riyadh, Saudi Arabia
2 Endodontics Department, King Abdul-Aziz Medical City, Ministry of National Guard; Endodontics Department, College of Dentistry, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
3 Restorative and Prosthetic Dentistry Department, College of Dentistry, Dar Al Uloom University, Riyadh, Saudi Arabia; Restorative Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt

Correspondence Address:
Dr. Doaa R.M. Ahmed
Associate Professor of Restorative Dentistry, College of Dentistry, Alexandria University, Alexandria, Egypt

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/sej.sej_139_18

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Objective: The aim of this study was to compare the degree of crown discoloration induced by a novel bioceramic and conventional endodontic sealers. Materials and Methods: Thirty extracted maxillary central incisors were selected and randomly divided into three groups (n = 10), according to the assigned sealer: G1 – TotalFill, G2 – Apexit Plus, and G3 – AH Plus. Baseline color of the labial surfaces was obtained using a spectrophotometer. Standardized root canal preparation and obturation were completed using ProTaper system and gutta-percha with sealer cement. Access openings were sealed using light-cured resin composite. Specimens were stored in saline and placed in an incubator at 37°C until testing. Crown color was reassessed after 1 week, 1 month, and 3 months. Color change from baseline was calculated using the following equation: ΔE* = ([ΔL*]2 + [Δa*]2 + [Δb*]2)½. Data were analyzed using ANOVA, t-test, and Tukey post hoc test (at P≤ 0.05). Result: In the three groups tested, the highest mean value of color change was found after 3 months, whereas the lowest was at 1 week. Changes were significant in all groups (P < 0.001 in G1 and G2, P= 0.009 in G3). At all assessment times, no significant difference was found between the three groups of sealers tested (P = 0.593, P= 0.185, and P= 0.33 at 1 week, 1 month, and 3 months, respectively). Nevertheless, G1 showed the highest and G3 the lowest color changes at both 1 and 3 months. Conclusion: It was concluded that all sealers tested result in a measurable and gradual tooth color change. While the bioceramic sealer resulted in a slightly higher color change compared to calcium hydroxide- and resin-based sealers, the difference was not considerable.


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