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Background: The success of restoration depends upon the marginal seal of restorative material with tooth structure. Marginal gaps result in microleakage and development of secondary caries. Objective: To evaluate microleakage in chemically bonded and mechanically bonded restorative materials after using chemomechanical caries removal technique in primary teeth. Methods: This in vitro experimental study assessed the microleakage associated with high viscosity glass ionomer and amalgam after using chemomechanical caries removal technique in primary teeth. Forty specimens were divided into four groups of ten. Group A1and BI (restored with Ketac Molar and Aristaloy 21 respectively) thermocycled at 1000 while group A2 and B2 (restored with Ketac Molar and Aristaloy 21 respectively) thermocycled at 5000 cycles. Dye penetration test was performed to check the microleakage. Fisher’s exact test was used to contrast the microleakage between groups at thermocycling levels. Results: Chemically bonded and mechanically bonded restorative materials (Ketac Molar and Aristoly 21 respectively) showed varying degree of dye penetration. In group A1, 70.0% teeth showed microleakage score 0 whereas in group B1, 20.0% teeth showed microleakage score 0. In group A2, 70.0% teeth showed microleakage score 0 whereas in group B2, only10.0% teeth showed microleakage score 0. Data was analyzed using SPSS 20.0. Fisher’s exact test showed significant results after 1000 and 5000 cycles of thermocycling (with p-value 0.044 and 0.039 respectively). Conclusion: High-viscosity glass ionomer restorations showed significantly less microleakage as compared to the amalgam restorations.
Saira Aslam, Sohail Abbas Khan, Naureen Sarwar, Muhammad Aamir Rafique, Attika Batool. (2021) Comparison of Microleakage in Chemically Bonded and Mechanically Bonded Res-torations After Using Chemomechanical Caries Removal Technique in Primary Teeth, , Volume 27, Special Issue.
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