Comparative Evaluation of Clinical Performance of Bulk-Fill Composites With Incrementally Layered Conventional Composites

"Group I (Incremental Technique):~Material: Filtek Z250 (3M ESPE, USA) Applied in 2 mm incremental layers, light-cured for 40 seconds per increment."

"Group II (Bulk-Fill Technique):~Material: Filtek Bulk-Fill Restorative (FBF), 3M ESPE, USA Applied in a single increment (up to 4 mm) and light-cured for 40 seconds."