Veneers are ultra-thin, custom-made porcelain laminates that are bonded to existing teeth to create a new front surface. The tooth-colored veneers are used to fill gaps in the teeth as well as cover teeth that may be badly shaped, worn or crooked and in those instances when bleaching is just not enough or has been ineffective. Quite often veneers are also used to cover problems caused by injury. In addition, in most cases, veneers have been found to be a healthier option than a full crown.
One thing to note is the fact that veneers are irreversible because it is necessary to remove small amounts of enamel from the original teeth to accommodate the bonding process and the veneer itself. However, most would agree that there would be no desire to go back to an old smile that was unsatisfactory in the first place. By and large, veneers will retain the beautiful results without the need of additional treatment.