Dental veneers can be treated with edge closure techniques, removal and redoing, etc. if a gap appears again after the veneer. Dental veneers can be used for whitening, repairing defects, etc., the use of resin, all-porcelain materials and other thin film attached to the surface of the teeth. If there is a small gap after the line of veneers, usually caused by not paying attention to oral hygiene, edge closure is not in place, this situation can be used again edge closure technology to close the gap. If the gap after the veneer is large, this time you need to remove the original veneer re-applied, and pay attention to oral hygiene, diligent brushing, rinsing, avoid eating too hard food. If there is a gap after veneers, you should consult a doctor as soon as possible, according to the size of the gap under the guidance of the doctor to standardize the treatment.