Composite Bridge (IMAGE) University of California - San Diego Caption Fiber-reinforced composites are so strong that dental bridges made with them can be attached with less invasive techniques to adjacent teeth. Credit UC San Diego Usage Restrictions Credit: UC San Diego License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.