Composite bonding is a cosmetic dental procedure where a tooth-colored resin material is applied to teeth to repair imperfections such as chips, cracks, gaps, or discoloration. The resin is molded to match the natural contours of the tooth and then hardened using a special light, providing a seamless, natural appearance.Composite bonding is a non-invasive dental procedure that enhances the appearance of your teeth by applying a tooth-colored resin to fix chips, gaps, or discoloration, providing a natural-looking result.