Comparative evaluation of sealing ability of three root-end filling materials - an in vitro study

Ajit Hindlekar, Srinidhi Surya Raghavendra


Aims and Objectives: To evaluate the sealing ability of three-root end filling materials Mineral Trioxide Aggregate, Biodentine and Injectable Glass Ionomer composite by using 50% Silver Nitrate dye. Materials and Methods: Thirty extracted single rooted lower mandibular premolars were taken and divided into three groups of 10 samples each. The root end cavities were prepared with ultrasonic microsurgical tips with width of 1.5mm and depth of 3mm. The teeth were divided into two subgroups (n=5) and were contaminated with blood or artificial saliva. Group A, B was filled with ProRoot MTA, Group C, D was filled with Bio-dentine and Group E, F filled with Injectable Glass Ionomer composite. The sealing ability was evaluated using 50% AgNO3 dye and stereomicroscope at 30x magnification. Results: There is no significant difference between the sealing ability of MTA and Biodentine in blood and saliva contaminated cavities. However, both MTA and Biodentine showed significant difference in sealing ability in comparison with Injectable Glass Ionomer composite. Conclusion: Biodentine has similar sealing ability in comparison with MTA in blood and saliva contaminated cavities.


Bio-dentine; Glass Ionomer; MTA; root end filling


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