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Year : 2005  |  Volume : 17  |  Issue : 2  |  Page : 7-13

Influence of restorative techniques on coronal sealing ability of packable composite

1 Sr. Lecturer, Department of Operative Dentistry & Endodontics, BRS Dental College, Panchkula, Haryana, India
2 Professor & Head, Department of Operative Dentistry & Endodontics, Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-7212.347121

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The aim of the study was to evaluate the effect of filling techniques and polymerization methods on coronal sealing ability of Surefil after endodontic treatment. Forty-four freshly extracted single rooted human teeth were taken. Following endodontic treatment, the standardized access cavities were restored with Surefil by bulk pack or incremental filling and polymerized either from occlusal direction or by transenamel polymerization. In half of the samples, coronal sealing ability was assessed by bacterial penetration, using Streptococcus sanguis as the microbial tracer and rest immersed in 2% methylene blue dye for leakage assessment. Both the tests depicted significant difference among all groups (p<0.05). Incremental filling technique demonstrated less dye and bacterial leakage as compared to bulk filling in occlusal polymerization group. There was no significant difference between occlusal and transenamel polymerization (p>0.05). Incremental filling technique in Surefil is advantageous over bulk pack technique and transenamel polymerization offers no benefit over occlusal polymerization in reducing dye and bacterial leakage.

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