- H-bond is a light-curing system of the prime/bond type of the 5th generation and offers a strong bond of all composite materials to dentin and enamel. - H-bond has been developed for light-curing materials, but when combined with H-bond activator, H-bond becomes a chemically or dual-curing system that is perfect for root canals. - It can also be used with chemically and doubly hardening materials. **For further product information, please contact Chat Support**