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A comparative evaluation of sealing ability of four root end filling materials using fluid filtration method: An in
Shilpa Shetty1, Geeta Hiremath2, Mahantesh Yeli2
1Department Conservative Dentistry and Endodontics, Terna Dental College and Hospital, Mumbai, Maharashtra, India.
Aim Of The Study:
The aim of this study was to compare and evaluate the sealing ability of four root end filling materials mineral trioxide aggregate (MTA)-Plus, Biodentine, MTA (MTA Angelus) and glass ionomer cement (GIC) using fluid filtration method.
Materials And Methods:
Forty-four extracted, human single-rooted teeth were collected. The crown of each tooth was decoronated 2 mm above the cementoenamel junction. Canals were negotiated, instrumented, obturated using lateral compaction method. The access cavities were sealed with Cavit. Root end resection and apical root end cavity preparations of 4 mm were made in each specimen. The selected roots were then randomly divided into four groups (n = 11) and restored as follows. Group 1 - GIC, Group 2 - MTA (MTA Angelus), Group 3 - Biodentine, and Group 4 - MTA Plus. The apical microleakage of each specimen was assessed using fluid filtration method at 72 h, 1 month and 3 months. Microleakage in each specimen was recorded in mm (millimeter) and converted to μl/min/cm H2O.
Results:
MTA Angelus showed least microleakage followed by Biodentine and MTA Plus. Least sealing ability was seen with GIC. There was statistically significant difference between all the materials at various time intervals.
Conclusion:
MTA Angelus showed superior sealing ability as a retrograde filling material followed by Biodentine and MTA Plus.
