Citation Information :
Gupta T, Kaur P, Behl M. Comparative Evaluation of Marginal Integrity of Mineral Trioxide Aggregate and Biodentine as Retrograde Filling Materials-An In Vitro Study. Curr Trends Diagn Treat 2018; 2 (2):92-97.
Aim: The purpose of this research was to compare the microleakage of different root-end filling materials.
Materials and methods: Thirty human single-rooted teeth were decoronated at the cementoenamel junction, shaped with protaper rotary files, and obturated. About 3 mm apical resection of the roots was carried out and 3-mm deep rootend cavities were prepared using an ultrasonic retro-tip. The root-end cavities were then retrofilled with mineral trioxide aggregate (MTA Angelus) and biodentine, respectively, and submerged in 2% methylene blue dye for 24 hours. The depth of dye penetration and microleakage in each sample were recorded using a stereomicroscope.
Results: Higher mean microleakage (mm) was recorded in MTA (2.40 ± 0.63) when compared to biodentine (1.60 ± 0.63) and the difference between them was statistically significant.
Conclusion: Both the tested materials showed microbial leakage. Root-end fillings with biodentine had the lowest microleakage and better marginal adaptation as compared to MTA.
Clinical significance: Biodentine showed better marginal adaptation and sealing ability when compared to MTA and can be considered as an alternative to MTA as a root-end filling material.
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