Comparative Clinical Evaluation Between a Novel Self Adhesive and Conventional Bulk-fill Composites

For Surefil one® restorations, the capsule will be activated by pressing it against a stable surface, then mixed in a capsule mixer for 10 s. The capsule tip will be inserted into the proximal box, and the material is extruded as the tip is gradually moved in a coronal direction, ensuring that the material adapts to the cavity bottom and walls.

Scotchbond™ Universal (SBU) will be used as an adhesive system in self-etch mode for FiltekTM One restoration. SBU will be applied actively for 20 seconds with a disposable brush tip, air-dried gently for 5 seconds to create a consistent bond thickness, then light-cured for 10 seconds. The FiltekTM One will be packed in increments up to 4 mm thick. A second layer of FiltekTM One will be applied on top of the first 4-mm layer if 4 mm is not adequate to properly restore the tooth. Each increment will be light cured for 20 seconds.