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Year : 2019  |  Volume : 14  |  Issue : 3  |  Page : 166-170

Comparative Evaluation of 5th- and 7th-Generation Bonding Agents: An In vitro Study

Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, DMIMS (Deemed to be University), Wardha, Maharashtra, India

Correspondence Address:
Prof. Madhu Varma
202, Gokul park1, In Front of Kachore Lawns, Near Rakshak Mart, Besa Belatarodi Road, Manish Nagar, Nagpur - 440 015, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jdmimsu.jdmimsu_46_19

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Objective: The purpose of this study is to evaluate microleakage in 5th- and 7th-generation bonding agents. Materials and Methodology: A total of thirty recently extracted human premolars were subjected to this study. Class V cavity preparations were made on the lingual and buccal surfaces of extracted premolars. Occlusal margins were made in enamel and gingival margin in cementum/dentin. The teeth were divided into two groups of 15 each and 30 cavity preparation per group. The groups were treated with Single Bond 2 and Single Bond Universal as dentin-bonding agents. The prepared cavity was restored with resin composite (Clearfil APX) after the application of bonding agents. The specimens were thermocycled and stained with 2% methylene blue dye and were section for the evaluation of dye penetration. Data were analyzed using one-way analysis of variance test and Dunn's procedure for pairwise comparison of data. Results: This study showed that the preparations treated with Single Bond Universal showed less microleakage than Single Bond 2, and it had a better marginal sealing ability at enamel margins better than dentin. Interpretation and Conclusion: This study demonstrated that Single Bond Universal had a better sealing capacity at both coronal (enamel) and apical (dentin/cementum) margins compared with Single Bond 2 agent used.

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