'Like a set of piano keys': Why Australians are opting for veneers

Media item: article

Date published: 15 June 2023

Subject: cosmetic dentistry and the demand for veneers

This page records the media item. The original article is the property of its publisher and is not reproduced here.

Why the "piano keys" description exists

The phrase describes a specific and recognisable appearance: flat, opaque, uniformly white teeth of identical size, with no translucency and no variation between them.

It is worth explaining precisely why that looks wrong, because the explanation is optical rather than a matter of taste.

Natural enamel is translucent. Light enters it, scatters, and returns having interacted with the dentine beneath. That is what gives a real tooth depth — a slightly more translucent, sometimes faintly grey or blue incisal edge, a warmer body, and a subtle gradient between them. See Porcelain Veneers & Crowns and What is the difference between composite veneers and porcelain veneers?.

Natural teeth are not the same colour as each other. Canines are naturally darker and more saturated than central incisors. Lateral incisors are usually slightly lighter. A set of teeth in which every unit is the identical shade reads as manufactured because it is.

Natural teeth are not the same shape or length. Central incisors are longer than laterals; the incisal edges follow a curve that roughly parallels the lower lip; there is a slight asymmetry between left and right in almost everyone. Perfect bilateral symmetry looks artificial, which is a well-known finding in facial perception generally. On altering shape without ceramics, see Can I change the shape of my teeth? and Composite Bonding.

Natural teeth have surface texture. Enamel has fine horizontal lines and subtle vertical grooves that break up reflected light. A glassy, perfectly smooth surface catches light in a single flat sheet.

So the piano-key look is produced by four specific decisions: too opaque, too uniform in shade, too symmetrical in shape, too smooth in texture. Good ceramic work reproduces all four variables, which is why it costs what it does and why the ceramist matters as much as the dentist — see Smile Solutions Laboratory.

What is actually being removed

This is the part that the aesthetic conversation tends to skip.

A veneer requires enamel to be removed from the front of the tooth. Conventional preparation removes a meaningful proportion of it. Minimal-preparation techniques remove very little, and in selected cases none — but they only work where the teeth are already well positioned and not too dark, which is exactly not the situation most people seeking veneers are in. How long do porcelain veneers last? covers the replacement cycle that follows.

Enamel does not grow back. Once prepared, the tooth requires a restoration on it permanently. If a veneer fails, the option is another veneer, not a return to the original tooth. See Enamel is the hardest substance in the body — so why do teeth break?.

And veneers are frequently not what is actually placed. Where teeth are crooked, an appearance of straightness often requires removing much more than a facing — in practice, full crowns. A crown is prepared on all surfaces and removes substantially more tooth than a veneer. The word "veneer" is used for both in advertising, and the distinction is one of the most consequential things a patient can ask about: "Is this a veneer or a crown, and how much of the tooth is being removed?" See Dental Crowns, The difference between crowns and veneers and Types of dental crown available.

A proportion of heavily prepared teeth eventually require root canal treatment, because preparation stresses the pulp. On eight or ten front teeth, that is a real probability rather than a remote one, and it belongs in the consent conversation. See Root Canal and Everything you need to know about root canal treatment.

The overseas packages

The boom this item describes overlaps heavily with dental tourism, and the pattern is consistent enough to name. The article on exactly this is Turkey teeth: the real risks of getting veneers overseas, and what we see when patients come back.

Full-arch "veneers" completed in a week are almost always crowns. There is not time to do anything else, and crowns are more forgiving of alignment problems. The result is that a person in their twenties with healthy but crooked teeth returns with twenty prepared teeth.

The practitioner is outside AHPRA's jurisdiction. If something goes wrong, the Australian complaint and notification pathways — AHPRA, the Dental Board, the Health Complaints Commissioner — do not apply to them. See Dental tourism: the risks involved and Dental tourism: the pitfalls.

Complications appear after you are home. Sensitivity, pulp death, margin failure, bite problems and gum inflammation typically present in the following weeks and months — see The risks of dental treatment overseas.

Remedial work in Australia is expensive. Managing twenty failing crowns is a full-mouth rehabilitation, and it can exceed the cost of doing the work properly here in the first place several times over. Occasionally teeth cannot be saved. See What overseas dental work costs in the long term, Complex Dentistry and Second Opinions and Corrective Dentistry.

If you go anyway — which is your decision — obtain full records before you leave: radiographs taken before and after, the materials and brands used, the preparation design, and written details of what was done to which teeth. Whoever manages it afterwards will need all of it.

Why demand rose

The honest account has three parts, and none of them is vanity.

Images changed. Front-facing phone cameras use short focal lengths that distort the face; filters brighten teeth automatically; social media platforms apply enhancement by default. People are comparing themselves against images that do not depict real teeth, including their own. The archive's items on the same pressure are Smile for the ultimate selfie and Dental veneers on the rise.

Video calls. Several years of watching one's own face on screen for hours a day is a genuinely novel condition, and cosmetic demand across all specialties rose during and after it.

Finance made the decision feel smaller. Buy-now-pay-later and payment plans arrived in dentistry, and instalments reliably reduce the felt magnitude of a purchase at the moment it is made. In dentistry that purchase is usually irreversible. The finance is not the problem; the compression of a permanent decision into a monthly figure is. The archive's argument on this is Buy now pay later: abuse of process in the sales-centric approach to health care.

What the rules actually require here

Under the National Law's advertising provisions, a regulated health service:

• must not use testimonials about clinical care
• must not be misleading, including by omission — which is why the amount of tooth removed, and the lifetime replacement cycle, are not optional details
• must not create an unreasonable expectation of benefit
• must not offer an inducement without the terms and conditions, which covers time-limited cosmetic discounts
• must not encourage the indiscriminate or unnecessary use of health services

Before-and-after images are restricted, which is why a compliant Australian dental site looks less exciting than an overseas one. That is the rule working, not a shortcoming. What is permitted is at the Before & After Gallery.

The questions that actually protect you

• "Veneer or crown? How many millimetres, from which teeth?" See Improving your smile with veneers and crowns.
• "What would orthodontics achieve here, and why is it not the recommendation?" Straightening teeth removes no tooth at all. It is slower, and that is the entire trade. See Orthodontics and Invisalign® No Braces.
• "Can I see a diagnostic wax-up and a trial smile before anything is prepared?" A mock-up bonded temporarily over unprepared teeth lets you see and live with the proposed result while it is still fully reversible. This is a normal request. See The Mock-Up Reveal and why you should see your new smile before any treatment begins.
• "What is the replacement cycle, and what does replacement cost?" See the Price Guide and How much does a dental crown cost in Melbourne?.
• "What is the plan if one fails, or if a tooth needs root canal treatment afterwards?"
• "Who makes the ceramics?" The laboratory and the ceramist determine whether the result looks like teeth or like piano keys.
• "Can I take this plan for a second opinion?" For irreversible work on healthy front teeth, this is the single most valuable thing on the list. Start at I want a smile makeover — where should I start? and Understanding Your Treatment.

Related pages: Porcelain Veneers & Crowns, How to improve your smile, Orthodontics, Cosmetic Dentistry, 3 myths surrounding veneers debunked, A cosmetic dentist explains what to expect when getting veneers, and the full Our Media archive.

Common questions

How long do veneers actually last?

No authority publishes a lifespan in years, and one systematic review states the position directly: “A conclusive estimation of the longevity of PLVs beyond 20 years is lacking. The availability of evidence in the current literature is limited in terms of sample size and duration of follow-up.” What the literature does publish is survival at stated time points, and those figures disagree enough that seeing the spread is more useful than being given a single number.

• A systematic review pooling 25 studies and about 6,500 porcelain laminate veneers put the 10-year estimated cumulative survival rate at 95.5%, counting fracture, debonding, secondary caries and the need for root canal treatment as failure.
• A different review, grouping the same field by follow-up length, reported survival ranging from 80.1% to 100% in studies under 5 years, 47% to 100% at 5 to 7 years, and 53% to 94.4% at 10 to 12 years. Across its long-term trials the range was 100% to 73%.
• One retrospective cohort of 84 patients and 318 veneers followed to 20 years reported 94.4% at 5 years, 93.5% at 10 years and 82.93% at 20 years.

The honest reading is a rate rather than a date: on the best-pooled estimate roughly one porcelain veneer in twenty has failed by ten years, and individual cohorts run considerably worse than that. Fracture is the commonest complication, then debonding, and both cluster in the first few years after cementation. The ADA's consumer material puts the practical consequence plainly — veneers “may need to be replaced due to chips, fractures or changes in colour over time.” Treat a veneer as a restoration with a replacement cycle, and ask what replacement will cost before the first one is made.

Porcelain or composite — does the choice actually change the odds?

Yes, measurably, and it is the clearest head-to-head comparison in the literature. A 10-year practice-based evaluation (Mazzetti and colleagues, 2022) found composite veneers had a higher risk of failure than ceramic, with a hazard ratio of 4.00 (95% CI 2.74–5.83) for survival and 5.16 (95% CI 2.65–10.04) for success. In annual failure rates over the same periods, survival analysis gave 3.9% at 5 years and 4.1% at 10 years for composite against 1.4% and 1.2% for ceramic; on the stricter success measure, which counts any repair or intervention, 9.1% and 10% for composite against 2.9% and 2.8% for ceramic. A separate pooled estimate from randomised trials put composite survival at 88% (95% CI 81–94%), with mean follow-up between roughly two and eight years.

That is not an argument that composite is the wrong choice. Composite removes less tooth, costs less, is repairable in the chair, and its characteristic failures are cosmetic — surface roughness, colour mismatch, marginal discolouration — rather than fracture. It is an argument for knowing which trade you are making, because the two are commonly presented as the same treatment at two prices. See Composite Bonding and What is the difference between composite veneers and porcelain veneers?.

Does it matter whether the veneer sits on enamel or on exposed dentine?

More than almost anything else, and this is the question that should decide whether you go ahead at all. A systematic review grouping veneers by what they were bonded to reported that enamel-bonded veneers had survival of 99% (range 98% to 100%), while veneers with dentine exposure fell to 94% survival (91% to 97%), and those with severe dentine exposure to 91% survival (84% to 98%) and 74% success (64% to 85%).

Now read that against what this page says above about crooked teeth. The teeth that need the largest aesthetic change are usually the ones where achieving it means cutting past enamel into dentine — which is precisely the group with the worst published figures. So the useful question is not whether the result will look good, but whether these veneers will be bonded to enamel, and if not, how much dentine will be exposed. Ask for that in the written plan, tooth by tooth.

I grind my teeth. Does that change anything?

Yes, and it also changes how you should read every figure above. The 20-year cohort mentioned earlier — 84 patients, half of whom had bruxism — reported a significantly higher failure rate among bruxers, and significantly higher marginal discolouration among smokers. Where its veneers failed, failure was defined as an “irreparable problem” and the commonest reason was fracture of the ceramic (44.83%). The reviews are consistent that bruxism may be a risk factor for fracture of ceramics.

The selection point matters as much as the finding. In one review, fourteen publications reported anything at all about bruxers: ten recorded their presence, and the other four excluded them from the study. A survival figure drawn from a population with bruxers removed is not a prediction about you if you grind. If grinding is part of your picture, it belongs in the plan before anything is prepared — see TMD & Teeth Grinding and What is bruxism and how is it managed?.

How much tooth does a veneer remove compared with a crown?

The most-quoted measurement is Edelhoff and Sorensen's, which reports tissue removal as a mean percentage of the tooth: 8.2% for a partial porcelain laminate veneer, against 64% for an all-ceramic crown with 0.8 mm axial reduction and a tapering chamfer, and 71.9% for a metal-ceramic crown with a facial shoulder. On those preparations the most conservative crown removes roughly eight times what a partial veneer does, which is the substance behind this page's point about the two words being used interchangeably.

Three qualifiers, and they are not decoration: those figures are anterior teeth, measured in vitro, on a typodont — not molars, and not in a patient's mouth. They establish the order of magnitude of the difference and nothing more. They do not tell you how much of your tooth will be removed; only the person preparing it can, and the answer should come in millimetres, per tooth, before anything starts. See Dental Crowns.

Is this page the original media item?

No. This is an archive and context page. Third-party recordings, articles and broadcasts remain the property of their publishers and are not reproduced here unless the page explicitly says otherwise.

Should this archive page be treated as current clinical advice?

No. Media items preserve the context in which they appeared, while clinical guidance, fees, practitioners and services can change. Use the current service pages linked here and obtain an individual assessment from an appropriately registered practitioner.

Related reading

• Cosmetic dentistry, privacy and public speculation

Practical details

Smile Solutions, Level 1, 220 Collins Street, Manchester Unity Building, Melbourne VIC 3000. Phone 13 13 96, or theteam@smilesolutions.com.au. Monday–Friday 8.00am–6.00pm, Saturday 8.30am–1.30pm, Sunday by appointment. See also Our Location and Contact Us.

Every practitioner's registration and any specialist entry can be verified free on the AHPRA public register at ahpra.gov.au — see Dentists & Registered Specialists.

This page records a published article and its date, with general information. It is not a diagnosis, a treatment plan or a promise of any particular result. Veneers and crowns are irreversible, carry risks including sensitivity, pulp death and eventual replacement, and results vary between individuals. Survival figures quoted above are from published research on other populations, are not predictions about any individual case, and differ in how each study defined failure. Third-party published content is not reproduced.

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