Dental bonding is a procedure in which a tooth-colored resin material is applied and hardened with a special light, which ultimately bonds the material to the tooth to restore or improve a person’s smile. It can be used to repair chipped or cracked tooth, to mask a discolored tooth, to close spaces between teeth, to change the shape or length of the tooth, or to cover a portion of a tooth’s root that has been exposed due to gum recession. However, it is much easier to get stained, and not as long lasting as porcelaine veneers.