Sadashiv Daokar, Suraj Sanjay Bakal, Kapil D. Wahane, Kalpana Pawar, Neha Chavan, Ajay Jadhav 

ABSTRACT

Aim: Comparative evaluation of two placement techniques and adhesive systems on Microleakage of class II Composite resin restoration: An In vitro study. Methods: A comparative study for microleakage in composite restoration using incremental layering technique and bulk fill technique with adhesive system that is total etches and universal bond in combination on 40 extracted maxillary premolar teeth. Cavity II cavity preparation was done. The prepared teeth were randomly divided into four groups according to combinations. Thermal cycled and dipped in 2% Methylene blue dye. The restorations was sectioned and placed under light microscopy. Data collected was computed in Microsoft Excel. Statistical analysis was performed using SPSS. Result: Statistical analysis indicated that group II farci nano hybrid in incremental layering shows less microleakage with universal bond (group2) followed by (group 1), while (group 3) bulk fill with total etch showed more microleakage. Conclusion: farci nano hybrid composite in Incremental layering technique is better in prevention of microleakage compare to 3M Espe filtek bulk fill composite. Clinical Implications- This study is designed to reduction microleakage in class II composite restoration.