IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-7-35869 Original Research Paper Evaluation of fracture resistance of endodontically treated teeth restored with conventional, fibre reinforced and dual cure core build up composite : An in vitro study Nipun Sharma Dr. Dr. Udai Pratap Singh Dr. July 2021 10 7 01 02