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In Vitro Evaluation of Surface Roughness and Bacterial Adhesion on Different CAD/CAM Restorative Materials
S Ramesh Raja1, Anarasi Mahaprasad2, Sukanta K Satapathy3
1Professor, Department of Prosthodontics, Rajas Dental College and Hospital, Tirunelveli, Tamil Nadu, India.
Introduction:
This work sought to evaluate bacterial adherence to computer-aided design/computer-aided manufacturing (CAD/CAM) materials in relation to surface roughness and material type.
Materials And Methods:
We investigated four CAD/CAM restorative materials: hybrid ceramic, resin nano-ceramic, lithium disilicate, and zirconia. Surface roughness was determined with a profilometer. We assessed bacterial adhesion under a confocal laser microscope. Variations in surface roughness among independent groups were evaluated using the Kruskal-Wallis test.
Results:
The main result shows that surface roughness changed greatly among the groups.
Conclusion:
For CAD/CAM restorations, the smoothness of surfaces is absolutely important since plaque development and the transfer of allergenic compounds to these restorations surpass those of normal tooth surfaces.
