Laminate Veneer Side Effects, Lifespan & Care

Laminate veneers reshape the tooth, so they can't be undone, and they aren't a treatment without side effects. The most common problem is chipping, followed by debonding, and these are reported to occur more often in the first few years after bonding. How long they last depends on whether the preparation stayed within the enamel and on habits such as grinding. Boston Miso Dental Clinic checks these risks at the design stage first, and explains the problems that can occur and how we handle them before treatment.

What problems can occur after laminate veneers?

• Chipping and fracture — the most common complication in meta-analysis, reported at about 4%. Small chips are smoothed and polished; if the area is large, the veneer is remade.
• Debonding (coming off) — reported at about 2%. Don't throw the piece away; bring it in as it is and, depending on its condition, it can sometimes be re-bonded.
• Sensitivity — you may feel sensitivity to cold for a few days to a few weeks after bonding, and it usually settles down. If it continues past a month or gets worse, it needs to be checked.
• Discoloration or decay at the gum margin — when plaque builds up along the line where the ceramic meets the tooth, the gum can swell or the margin can show through darkly. Severe discoloration is reported at about 2%.
• Color that doesn't look right — doing only one or two teeth can leave a visible difference in tone from the natural teeth beside them, and as time passes and only the natural teeth discolor, the difference grows.
• Nerve problems — rare, but root canal treatment becomes necessary in about 2% of cases. The more tooth structure removed, the higher the chance.

Why do they happen?

• A design that cuts into dentin — veneers prepared and bonded within enamel had a 99% survival rate over up to 12 years of follow-up, while those bonded to dentin were about 10 times more likely to fail (Gurel 2013). That's why we check the extent of reduction at the design stage first.
• Grinding and clenching — when force is loaded on the front teeth over and over, thin ceramic has a hard time holding up.
• The bite (occlusion) — in bites that concentrate force on the front teeth, such as a deep bite where the upper front teeth cover the lower ones deeply, fractures repeat. In fact, when a patient came in with a veneer that broke after 15 years, we checked the bite first rather than simply re-bonding it.
• Habits — opening packaging or biting through hard things with the front teeth.
• Gum care — plaque at the margin is where discoloration and decay start.

How long do laminate veneers last?

A systematic review reported the 10-year cumulative survival rate of ceramic laminate veneers at about 95.5%, with chipping and debonding more frequent in the early period after bonding (Alenezi 2021). That figure is an average, though, and how long they actually last differs from person to person depending on the design, habits and care. So rather than promising “it will last X years”, we design toward creating the conditions that make it last.

How do you care for it to make it last?

1. Don't bite through things with your front teeth — use your back teeth or your hands for hard foods and packaging.
2. A guard if you grind — we'll also advise you on a protective appliance to wear while you sleep.
3. Brushing and flossing at the margin — clean carefully along the gum line.
4. Regular check-ups — checking the bond, the bite and the gums every 6 months to 1 year lets us find problems while they are still small.
5. Come in as soon as something feels off — when it is a small chip or the veneer feels loose, a repair is often all that's needed.

What should I do if one chips or comes off?

Leaving it as it is makes the exposed tooth surface sensitive and prone to decay, so it's better to come in quickly. Before re-bonding, we look at why it broke in that spot — the bite, grinding, the remaining tooth structure, the condition of the bonding surface. If the cause stays the same, the same thing happens again. Depending on the cause, we decide between re-bonding, making a new one, or switching to a crown.

When might laminate veneers not be the right fit?

• When grinding or clenching is strong and a protective guard is hard to wear — we'll go over how this compares with other options.
• When decay or fracture has left little tooth structure — Minish or a crown may last longer.
• When gum inflammation hasn't been brought under control — gum treatment comes first.
• When teeth overlap or are rotated significantly — we need to check whether orthodontic treatment should come before covering them (Boston Miso Dental Clinic doesn't provide orthodontics, so in that case we'll recommend orthodontic care elsewhere).
• When color is the only issue — teeth whitening, which doesn't cut the tooth at all, is sometimes enough.

How far tooth alignment can be corrected with veneers, and where orthodontics should come first, is covered separately in Veneers Instead of Braces: How Far Can They Go? — Alignments Veneers Can Correct vs. Those That Need Orthodontics First.

FAQ

If the laminate veneer is removed, does the tooth go back to the way it was?

No. The tooth surface that was reduced doesn't fill back in, so once a veneer is removed the tooth has to be covered again. That's why, before starting, we first check whether a less invasive option such as whitening or composite resin would work.

Is there a warranty?

It depends on the cause and the timing of the fracture or debonding, so the warranty terms are given to you in writing before treatment. Coming in for regular check-ups is a condition.

Does remaking it mean cutting the tooth down more?

Removing the existing veneer and cleaning off the cement involves only a minimal amount of reshaping. The less tooth structure removed in the original design, the more remains when it is remade.

How long do I have to put up with the sensitivity?

In most cases it eases within a few days to a few weeks. If it lasts more than a month, or if heat also hurts and it aches at night, we need to check the condition of the nerve, so please let us know.

The process, pricing and reduction criteria for laminate veneers are set out in the Laminate Veneer Guide, and how they differ from Minish is in the Minish Guide. A record of a broken veneer we traced back to its cause is in A case where a 15-year-old laminate veneer broke, and instead of simply re-bonding it, we checked the bite first.

Which teeth can take no-prep veneers bonded without reshaping, and the limits of this approach, are covered separately in No-Prep Veneers: Is the Tooth Really Not Drilled? — Which Teeth Can Be Veneered Without Reshaping, and Which Need a Little.

References — external evidence, distinct from our clinic's own standards.

1. Gurel G, Sesma N, Calamita MA, Coachman C, Morimoto S. Influence of enamel preservation on failure rates of porcelain laminate veneers. Int J Periodontics Restorative Dent. 2013;33(1):31-39. doi:10.11607/prd.1488 — 580 laminate veneers followed for up to 12 years — survival was 99% when the preparation stayed within enamel, while bonding to dentin raised the failure rate about 10-fold.
2. Alenezi A, Alsweed M, Alsidrani S, Chrcanovic BR. Long-term survival and complication rates of porcelain laminate veneers in clinical studies: a systematic review. J Clin Med. 2021;10(5):1074. doi:10.3390/jcm10051074 — 25 studies and 6,500 laminate veneers; 10-year cumulative survival 95.5%, with chipping and debonding more frequent in the early period.
3. Morimoto S, Albanesi RB, Sesma N, Agra CM, Braga MM. Main clinical outcomes of feldspathic porcelain and glass-ceramic laminate veneers: a systematic review and meta-analysis of survival and complication rates. Int J Prosthodont. 2016;29(1):38-49. doi:10.11607/ijp.4315 — chipping/fracture 4%, debonding 2%, severe marginal discoloration 2%, nerve problems 2%.