How long do porcelain veneers last?
Porcelain veneers last 10 to 15 years on average with proper care, and a 2021 review of about 6,500 of them estimated that 95.5% were still in service at 10 years. Fracture and debonding are the usual reasons one fails, and grinding your teeth raises the risk more than anything about the porcelain itself.
What the survival figures measure
The 95.5% figure pools 25 clinical studies, each following patients for at least three years. A veneer counted as failed if it fractured beyond repair, came off, developed secondary caries (new decay at its edge), or the tooth needed root canal treatment. Slight staining along the margin was not counted, because it can usually be repolished.
The limitation is follow-up. Few patients in these studies were tracked into the later years, so the further out an estimate reaches, the less certain it is.
How veneers fail, and when
Fracture is the most common complication, followed by debonding, where the cement bond to the tooth lets go. In the review, most of both happened within two years of placement. A veneer that gets past that window has cleared the period when most breaks were recorded.
Later problems come from the tooth, not the porcelain. Decay at the margin appeared after five years, and most teeth that needed root canal treatment did so between three and seven years. Risk is lower when every edge of the veneer sits on enamel, because bonding to dentin, the softer layer beneath, is believed to be weaker and more prone to leakage and debonding.
The habits that shorten a veneer’s life
Bruxism, the clenching or grinding that often happens during sleep and usually goes unnoticed, is the risk the studies single out. One long-term study found a significantly higher failure rate in grinders, and if you grind or have a deep overbite, veneers may not be a good choice. If you do have them, wear a night guard: a custom-fitted one may protect better than a store-bought one.
Day-to-day loads matter too. Nail biting, chewing hard objects, biting straight into apples or carrots, and using your teeth to open packages or tear off clothing tags all concentrate force on a thin shell of porcelain.
Maintenance and replacement
Porcelain does not decay, but the tooth around it can, and cavities still form under or around a veneer. Brush twice a day with a soft brush and a nonabrasive fluoride toothpaste, and floss once a day, paying attention to the edge where veneer meets tooth (the oral hygiene guide covers technique). Healthy gums are a precondition, so active gum disease is treated first and kept under control with periodontal maintenance.
When a veneer does fail, it may be re-bonded, repaired, or replaced. Because enamel is removed to place it, the treatment is not reversible, so a worn-out veneer is replaced rather than simply taken off. Composite veneers made with bonding are easier to fix but are not as stain or wear resistant as porcelain.
Related treatments
General information, not dental advice. What is right for you depends on an examination.