Crowns vs veneers: what is the difference, and why it matters

A veneer is a thin shell bonded to the front of a tooth. A crown is a cap that covers the whole tooth, all the way round. Both can change the colour and shape of your smile, but they are not two price levels of the same thing: a crown needs far more of your natural tooth to be removed, and removed tooth never grows back. That is why the choice matters, and why it should depend on the state of each tooth - not on the package.

A veneer is a thin facing, usually made of porcelain or a glass-ceramic such as e.max, or built up in tooth-coloured composite. It covers the visible front of the tooth to change its colour, shape or length.

To make room for a porcelain veneer, the dentist removes a small amount of enamel from the front and sides of the tooth. That step cannot be reversed (ADA). Composite veneers may need less enamel removed. Veneers are used for teeth that are stained, chipped, slightly uneven or have small gaps - teeth that are otherwise healthy.

Sources: ADA MouthHealthy - Veneers; Oral Health Foundation - Veneers.

A crown is a cap that completely covers a tooth. The tooth is shaped all the way round - front, back, sides and the biting edge - so the crown can sit over it like a thimble. Crowns are made of zirconia, porcelain, glass-ceramic or metal-ceramic.

Crowns protect and rebuild teeth that need it: a tooth that is broken, badly decayed or worn, weakened by a large filling, or root-treated. They also sit on top of dental implants and hold bridges in place. The NHS lists them as a routine treatment for damaged teeth.

Sources: NHS - Dental treatments; Oral Health Foundation - Crowns; ADA MouthHealthy - Crowns.

This is the difference that matters most. A veneer takes a thin layer from the front. A crown takes tooth from every side and from the top, leaving a smaller core.

Once tooth has been removed, that tooth will always need a veneer or a crown, and these are replaced from time to time over the years. So the less healthy tooth you remove at the start, the more options you keep for later.

Sources: ADA MouthHealthy - Veneers; Oral Health Foundation - Crowns.

A veneer may suit you if your teeth are healthy and the change you want is mostly about colour, small chips, minor unevenness or small gaps.

A crown may suit you if a tooth is broken, heavily filled, badly worn, root-treated, or needs to carry a bridge - or for the tooth that goes on top of an implant.

Neither may be needed. Before cutting healthy teeth, ask about the gentler options:

• Whitening for colour, done or supervised by a dentist (NHS)
• Composite bonding for small chips and gaps, with little or no enamel removed
• Braces or clear aligners for crooked or crowded teeth (NHS) - veneers can mask slightly uneven teeth, but they do not straighten them

Many plans mix these: crowns on the damaged teeth, veneers or bonding on the healthy ones. Teeth with decay or gum disease need treating first (ADA).

Sources: NHS - Teeth whitening; NHS - Braces; ADA MouthHealthy - Veneers.

"Turkey teeth" is a name UK media use for smile makeovers abroad where healthy teeth were filed down for crowns - often sold as "veneers" - and sometimes then root-treated. Patients may not know which one they had until they see a dentist at home.

The worry is real. In a 2022 survey of UK dentists by the British Dental Association, crowns were the treatment most often needing follow-up work after treatment abroad. The problem is over-treatment, not a country: there are careful dentists in Türkiye, and over-treatment can happen anywhere. What protects you is knowing exactly what is planned for each tooth, and why.

Our position is simple: healthy teeth should not be cut down for crowns, or root-treated, for cosmetic reasons. Root canal treatment is for infection or damage inside a tooth (NHS) - it is not a step in a smile makeover. If a plan puts crowns or root canals on healthy teeth for looks, ask why, and get a second opinion before you agree.

Sources: British Dental Association - dental tourism survey (2022); NHS - Root canal treatment; NHS - Dental treatments.

We would rather you keep healthy tooth. When you ask for a smile makeover on &NewMe, we ask clinics for the least invasive plan that gets the result: whitening, bonding or veneers on healthy teeth, crowns where a tooth genuinely needs one. Clinics on &NewMe typically suggest veneers rather than crowns where the teeth are healthy - your clinic will confirm its recommendation for each tooth in writing.

Before you book, you get a written plan based on your X-rays: every tooth, the treatment for it, the material and the unit price. If the plan includes crowns or root canals on healthy-looking teeth, we ask the clinic to explain why - and you are free to get a second opinion from a dentist at home before you agree. See the full checklist of questions to ask.