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Year : 1991  |  Volume : 3  |  Issue : 1  |  Page : 9-15

Sealing ability of root canal sealers: SEM & Dye penetration study-Part I

1 Ex-post-graduate student, KGMC, Lucknow, India
2 KGMC, India
3 Lecturers, Department of Operative Dentistry, KGMC, Lucknow, India
4 Professor and Head, Department of Operative Dentistry, KGMC, Lucknow, India

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-7212.351018

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Sealing ability of two root canal sealers zinc oxide engenol and Endometha sone(Septodont) was tested in vitro by dye penetration and SEM study and was compared with a control group where no sealer was used. In all the three groups, gutta percha filling by lateral condensation method was given. It was found that the mean dye penetration at one day was maximum in the control group (10.87 mm) and lowest in zinc oxide-eugenol group (3-72 mm) while Endomethasone had values in between these (4.47 mm). However, after ageing for 7 days no appriciable difference between the two experiment group was seen. On SEM examination, zinc oxide engenol showed good adaptation to canal walls compared to Endomethasone. The control group exhibited distinct voids at filler-tooth interface.

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