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ORIGINAL ARTICLE
Year : 2017  |  Volume : 29  |  Issue : 1  |  Page : 20-25

A comparison of apical seal and tubular penetration of mineral trioxide aggregate, zinc oxide eugenol, and AH26 as root canal sealers in laterally condensed gutta-percha obturation: An in vitro study


1 Department of Conservative Dentistry and Endodontics, Narsinhbhai Patel Dental College and Hospital, Visnagar, Gujarat, India
2 Department of Conservative and Endodontics, Bharati Vidyapeeth Dental College and Hospital, Sangli, Maharashtra, India
3 Department of Oral Pathology and Microbiology, Narsinhbhai Patel Dental College and Hospital, Visnagar, Gujarat, India
4 Department of Conservative and Endodontics, AME Dental College, Raichur, India
5 Department of Conservative and Endodontics, HKES Society's S. Nijalingappa Institute of Dental Science and Research, Gulbarga, Karnataka, India

Correspondence Address:
K M Attur
Department of Conservative Dentistry and Endodontics, Narsinhbhai Patel Dental College and Hospital, Visnagar - 384 315, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/endo.endo_114_16

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Aims and Objectives: To study the possible correlation of dentinal tubule penetration and microleakage by three root canal sealers: AH26, zinc oxide eugenol (ZOE), and mineral trioxide aggregate (MTA) using a dye leakage and scanning electron microscopy (SEM) methods. Materials and Methods: Fifty-one maxillary anterior teeth with completely formed apex divided into three groups. Root canals were enlarged till No. 60 K-file using step-back technique. Alternate 5.25% and 17% ethylenediaminetetraacetic acid irrigants were used and obturated with gutta-percha and one of the three sealers: MTA, AH26, and ZOE. The extent of leakage was determined under stereomicroscope after immersion in methylene blue and also observed the tubular penetration of sealer under SEM. Results: AH26 had lower microleakage scores than the other sealers, and MTA demonstrated the least penetration (P < 0.05). Conclusion: There was an inverse relationship between microleakage and tubular penetration of root canal sealers. Deeper the penetration, lesser is the leakage.


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