الفهرس 
Title : The Effect of Nanobioglass Containing Versus Bioglass Free Self Etch Adhesive Systems on Post Restorative Pain of Resin composite in Class II Restorations. A Randomized Control Clinical Trial
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Abstract
Aim: To evaluate the effect of addition of a Nanobioglass to a self-etch adhesive on the reduction of post-operative sensitivity following composite restorations versus a self-etch adhesive that is free of Nanobioglass agent. Materials and Methods: Sixteen patients having class II carious lesions were included in the study. After cavity preparation, each tooth was randomized to one of the following restorative treatments. Teeth in the control group were restored using self-etch adhesive (OptiBond All-In-One, Kerr) that is free of nanobioglass agent, and nano-hybrid resin composite (Herculite Ultra, Kerr). Restoration of teeth in the experimental group was similar to the control except that a nanobioglass agent was added to the self-etch adhesive. Patients were contacted for evaluation of postoperative sensitivity at 1 day, 1 week, 1 month, and 3 months. Data were analyzed using friedmann test followed by fisher exact test. Results: The experimental group (self-etch adhesive containing nanobioglass) showed a significantly less postoperative sensitivity compared with the control group (Self-etch adhesive free of nanobioglass) at 1 day, and 1 week evaluation periods. While both groups did not possess any significant difference at 1 month, and 3 months periods. Conclusion: The problem of postoperative sensitivity following resin composite restorations could be solved by the addition of bioglass nanoparticles into dental adhesives