INFLUENCE OF POST SPACE PREPARATION ON THE MARGINAL INTEGRITY OF MINERAL TRIOXIDE AGGREGATE (MTA), A ROOT END RESTORATION: AN IN VITRO STUDY
Journal Title: IJAR-Indian Journal of Applied Research - Year 2019, Vol 9, Issue 5
Abstract
The aim of this study was to compare and evaluated the influence of post space preparation on the marginal integrity of MTA root end restoration. Methodology: 60 Freshly extracted human maxillary anterior teeth were collected, and decoronated to obtain a uniform root length of 14mm. Cleaning, shaping and obturation of root canals was performed. These teeth were then randomly divided into three groups of twenty each. In Group I, post space preparation was followed by retrograde preparation and restoration by MTA. In Group II, firstly root end cavity preparation and restoration was done. Post space preparation was done after the completion of above procedures. Group III, served as positive control. These samples were covered with fingernail polish and immersed in 0.2% rhodamine B dye for 48 hours. The specimens were sectioned longitudinally using a diamond disc to measure dye penetration under stereomicroscope. Results: revealed that, Group I, showed minimum mean dye penetration of 52.50 μm whereas the mean leakage scores observed in Group II i.e of 1087.50. Conclusion: The post space should be prepared before the root end surgery.
Authors and Affiliations
Dr. Rishu Garg, Dr. Rajinder Bansal, Dr. Anoop Grover*
Keywords
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