| ORIGINAL ARTICLE |
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| Year : 2012 | Volume
: 2
| Issue : 2 | Page : 98-103 |
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Evaluation of the influence of flowable liner and two different adhesive systems on the microleakage of packable composite resin
Muliya Vidya Saraswathi, George Jacob, Nidambur Vasudev Ballal
Department of Conservative Dentistry & Endodontics, Manipal College of Dental Sciences, Manipal, Manipal University, Karnataka, India
Correspondence Address:
Muliya Vidya Saraswathi
Department of Conservative Dentistry & Endodontics, Manipal College of Dental Sciences, Manipal, Manipal University, Karnataka
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/2229-5194.100601
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Aim: The aim of the study was to evaluate the microleakage of a packable resin composite using two adhesive systems (self-etch and total-etch) with and without a flowable liner. Materials and Methods: Class II cavities were prepared on 50 human molars, with standardized dimensions. The teeth were divided into five groups. In group I, the cavities were total-etched with phosphoric acid and bonded with an Adper single bond and then restored with a packable resin composite. In group II, the cavities were total-etched, bonded with an Adper single bond and a flowable resin composite was placed as a liner and restored with a packable resin composite. In group III, self-etching adhesive was used instead of total-etch and a procedure similar to group II was performed. In group IV, a procedure similar to group III was performed, except with the placement of a flowable resin composite liner. Group V served as a control where neither adhesive nor a flowable liner was used. All the samples were placed in a dye for 24 hours and examined for leakage. Results: Packable resin composite, when used alone with self-etch adhesive, demonstrated minimum microleakage when compared to the total-etch system (P = 0.30). The lining of class II cavities with a flowable resin composite, followed by packable restoration, demonstrated higher leakage values than when the packable resin composite was used alone (P = 0.001). Conclusion: The use of a self-etch adhesive system was superior to the total-etch system when the cavities were restored with a combination of a flowable resin composite liner, overlaid with a packable resin composite.
Clinical Relevance to Interdisciplinary Dentistry
- A flowable resin composite can be used as a liner material between dentin and a packable resin composite to reduce microleakage.
- Use of a proper adhesive system is one of the key factors in reducing microleakage in packable composite resin.
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