Fig. (2) Fig. (2-A) shows a scanning electron microscope image of a cross-section of prefabricated fiber-reinforced post surrounded by a composite core (X 100). Fig. (2-B) Magnified image (X700)in the middle of the post demonstrating glass fibers surrounded by the polymer matrix. C: Composite core. P: Prefabricated fiber-reinforced post. M: Polymer matrix. F: Glass fiber.