Tooth Discoloration after Using a Premixed Mineral Trioxide Aggregate–Based Endodontic Sealer (Endoseal MTA)

Introduction: Introduction: The present study aimed to evaluate the coronal discoloration of human teeth induced by using a new Endoseal MTA compared to an AH Plus Sealer. Methods: A total of ۴۰ premolars extracted for orthodontic reasons were used in the present study. Then, the teeth were incised in the coronal third of the root ۳ mm below the cementoenamel junction. Samples were randomly allocated to two experimental groups (group ۱: AH Plus sealer, group ۲: Endoseal MTA) and ۶ teeth as the negative control group. The color evaluation was determined at four different times: before placing sealers (T۰), ۱ month (T۱), ۳ months (T۲), and ۶ months (T₃) after that with an intraoral spectrophotometer. Data were analyzed using Multivariate Test and Hotelling's Trace. A P-value <۰.۰۵ was considered statistically significant. Results: The Endoseal group showed discoloration after ۱ and ۳ months of the placement of sealer as AH Plus sealer. Also, discoloration of the AH Plus group was higher than that of the Endoseal group after ۳ months; however, it was not significant (P˃۰.۰۵). Furthermore, discoloration of the Endoseal group was significantly higher than that of the AH Plus group after ۶ months (P<۰.۰۵). Discoloration tended to decrease until ۶ months in both groups. Conclusion: The Endoseal group indicated discoloration which is comparable to AH Plus in ۱ and ۳ months; however, discoloration in the AH Plus group decreased compared to the Endoeseal MTA group after ۶ months.

Keywords:

AH Plus , mineral trioxide aggregate , Root Canal Sealer , Tooth discoloration