Journal of Conservative Dentistry
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Year : 2013  |  Volume : 16  |  Issue : 6  |  Page : 540-545

Comparative evaluation of intracanal sealing ability of mineral trioxide aggregate and glass ionomer cement: An in vitro study

1 Department of Conservative Dentistry and Endodontics, Gian Sagar Dental College and Research Center, Banur, Punjab, India
2 Department of Conservative Dentistry and Endodontics, D.A.V(C), College, Yamuna Nagar, Haryana, India
3 Oral Health Science Centre, PGIMER, Chandigarh, India
4 Department of Prosthodontics, Himachal Dental College, Sundarnagar, Himachal Pradesh, India

Correspondence Address:
Gauri Malik
107/B-36, Vikas Nagar, Pakhowal Road, Ludhiana, Punjab
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.120961

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Aims: The purpose of this study was to compare the sealing ability of Mineral Trioxide Aggregate (MTA) and Glass Ionomer Cement (GIC) when used over gutta-percha as intracanal sealing materials. The study also evaluated the sealing ability of Zinc oxide eugenol (ZOE) cement and Acroseal sealer. Materials and Methods: Teeth were obturated with gutta-percha using sealer ZOE (group A, C, D) and Acroseal (group B). The groups were further divided into 2 subgroups (15 premolars each) on the basis of intracanal sealing material used: GIC subgroups (A1, B1) and MTA in subgroups (A2, B2). The clearing technique was used in this study for leakage evaluation. Seventy mandibular premolars were prepared using step-back technique and divided into experimental groups A and B (30 premolars each) and the positive and negative control groups C and D (5 premolars each). Statistical analysis used: Coronal microleakage was determined under stereomicroscope using 15X magnification. Data was statistically analyzed using one-way ANOVA followed by Post-Hoc Multiple comparison (Bonferroni). Results: MTA group leaked significantly less than GIC group (P < 0.05). Acroseal exhibited better sealing ability than ZOE sealer. Teeth with no intracanal barrier showed almost complete leakage. Conclusions: MTA may be preferred over GIC as an intracanal barrier.

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