This study compared the wear of nanohybrid and microfilled composite restorative material in occlusal restoration of first permanent molar tooth. In total. 60 first permanent molar teeth having carious lesion without any clinical and radiological indication of pulpal involvement. removal of carious dental hard tissues was performed using round carbide bur and a class I cavity was prep... https://fitnessgravesyardes.shop/product-category/guard-bracket/