Top 10 Cosmetic Dentistry Terms Explained

How this list is ordered

The terms are ordered from the least invasive, which change only the surface of the teeth or the gums, through restorations that add or cover tooth structure, to planning and orthodontic terms that influence the whole smile. This is an editorial ordering and not a ranking of quality or value, and the right option depends on your teeth, gums, bite and goals. Terms are used slightly differently by different practices, and some are marketing names, so always ask what a treatment involves and what it will mean for your own teeth. The explanations here are simplified, general and based on NHS and professional guidance.

Why the vocabulary can confuse

Cosmetic dentistry sits between healthcare and consumer services, and the language reflects that. Some terms describe a specific clinical procedure, such as a crown, while others, such as smile makeover or instant smile, are marketing labels for a package of treatments. The same treatment can have several names, and different treatments can look similar in photographs. This is why understanding the underlying terms helps you to compare quotes and ask good questions. Remember that any treatment that changes the structure of teeth should follow an examination of your teeth and gums, and a discussion of options, risks, costs and alternatives.

1. Tooth whitening

Whitening, or bleaching, lightens the colour of natural teeth using a peroxide-based gel. In the UK, it is regulated as the practice of dentistry: products sold to the public are limited to a very low peroxide level, and stronger products may be supplied only by or under the direction of a registered dentist. It does not change the colour of fillings, crowns, veneers or bonding. Results vary and fade with time and stain. It may cause temporary sensitivity. Ask what strength will be used, how long the result may last and how restorations will look afterwards. Watch out for salons offering stronger gels and for products that promise dramatic results. Our whitening guides explain the options.

2. Scale and polish

A scale and polish is a cleaning treatment that removes plaque, tartar and surface stain from the teeth, and it is often the first step before any cosmetic work. It does not change the natural shade of the tooth, but it can make teeth look brighter and healthier, and it helps the gums. It is carried out by a dentist or hygienist and does not involve removing tooth structure. Ask how often you would benefit from one. Watch out for expecting whitening, for skipping it before other treatments and for scraping tartar yourself. Healthy gums are the foundation of a good-looking smile, so it often comes first in a treatment plan.

3. Composite bonding

Composite bonding is the application of tooth-coloured resin to the surface of a tooth, which is shaped and hardened with a light, to repair chips, close small gaps, change a tooth's shape or cover small stains. It usually needs little or no removal of enamel, can often be done in one visit and can be repaired or redone. Composite wears and stains more than porcelain, and bonded areas may need polishing and renewing over time, with lifespans often described as several years. Ask how much tooth will be altered and what upkeep is needed. Watch out for biting hard objects, grinding and overly thick bonding. Our guides on bonding explain the pros and cons.

4. Tooth contouring or reshaping

Contouring, also called enameloplasty, is the gentle removal of a very small amount of enamel to smooth a rough edge, shorten a pointed tooth or even out small differences in shape. It is quick and painless in most cases, but enamel does not grow back, so it is irreversible and only suitable where there is enough enamel. It is sometimes combined with bonding. Ask how much will be removed and whether it is safe for your teeth. Watch out for contouring done without an X-ray or examination, for overuse and for do-it-yourself filing, which can cause lasting damage. Our guide on DIY teeth hacks explains why filing at home is risky.

5. Veneers

A veneer is a thin shell, usually made of porcelain or composite resin, that covers the front surface of a tooth to change its colour, shape or size. Porcelain veneers are made in a laboratory and bonded to the tooth, usually after some enamel is removed, and they resist staining. Composite veneers are built directly on the tooth. Both can look natural when well done. They are not reversible in most cases, because enamel has been altered, and they may need replacing. Ask what preparation is needed, how long they are expected to last and what happens if one breaks. Watch out for veneers used to disguise untreated gum disease or bite problems. Our guides compare veneers with braces and bonding.

6. Crowns

A crown, or cap, covers the whole visible part of a tooth. It is used to restore a badly damaged or heavily filled tooth, protect a weak tooth, cover a root-treated tooth or support a bridge, and sometimes for cosmetic reasons. Crowns can be made from porcelain, ceramic, metal or a combination. Fitting a crown involves reducing the tooth, so it is more invasive than bonding or a veneer. Crowns can last many years but may need replacement. Ask why a crown is recommended instead of a smaller repair, and what the alternatives are. Watch out for crowns recommended for purely cosmetic reasons on healthy teeth without a discussion of less invasive options.

7. Inlays and onlays

Inlays and onlays are fitted restorations made outside the mouth, often from porcelain, ceramic or composite, and bonded into a damaged tooth. An inlay sits within the biting surface, and an onlay covers one or more cusps. They are used when a tooth has too much damage for an ordinary filling but does not need a full crown, so they sit between the two. They can be more durable and better fitting than large fillings. Ask whether one is appropriate for your tooth, how long it is expected to last and how it compares with a filling or crown in cost. Watch out for rough edges, sensitivity after placement and decay around the margins.

8. Gum contouring or gum lift

Gum contouring reshapes the gum line to treat a gummy smile, uneven gums or short-looking teeth. It can be done with a laser or scalpel, and a gum lift is a popular name for the same family of procedures. Results depend on the cause: if a gummy smile is due to excess gum, contouring may help, but if it is due to the position of the jaw or the bone, other treatment may be better. Ask how the cause was diagnosed, whether bone needs adjusting and how long healing takes. Watch out for gum disease, which should be treated first, and for clinics that do not examine your bite and bone. Our gummy smile guides explain the causes.

9. Smile design

Smile design is the process of planning the look of a smile, taking into account the teeth, gums, lips and face, often using photographs, digital scans and software to preview a result. A good plan identifies the sequence of treatments and checks function and health as well as appearance. The preview is a visualisation, not a guarantee, and the final result depends on your teeth and how they respond. Ask who is doing the planning, whether the preview is based on your own scans, what treatments would be involved and what the alternatives are. Watch out for glossy images that do not reflect what is possible and for plans that begin with veneers before gum and bite problems are addressed.

10. Aligners and retainers

Clear aligners are removable plastic trays that gradually move teeth, and braces do so with fixed brackets and wires. Both are orthodontic treatments, which change the position of the teeth and the way they bite together, and they are often the least destructive way to improve a crooked smile because they preserve natural tooth structure. After treatment, retainers hold teeth in their new position, and the British Orthodontic Society recommends long-term retainer wear. Typical retainer costs on this site are £80–£350 per arch. Ask how long treatment is expected to take, who supervises it and how retention works. Watch out for treatment with no assessment and for stopping retainers.

Terms you may see in adverts

Marketing language includes phrases such as instant smile makeover, Hollywood smile, snap-on smile, no-prep veneers and invisible braces. Some describe real treatments with specific limits, while others are branding. No-prep veneers, for example, involve little or no tooth reduction but are generally thicker and suit a limited set of cases. A snap-on smile is a removable cover, not a fixed treatment. A Hollywood smile is a style rather than a procedure. When you see a term, ask what exactly is being done to the teeth, what is irreversible, who will do it and what the alternatives are. Our guides on snap-on veneers and viral trends explain several popular terms.

Questions to ask your dentist

Useful questions include what the proposed treatment is called and what it involves step by step, whether it removes healthy tooth structure, whether it can be reversed, what the alternatives are, including doing nothing, how long it is expected to last, what upkeep it needs and what it will cost over time, who will carry out each step, what the risks and complications are and what happens if you are unhappy with the result. Ask for the plan in writing, and take time to decide. Our guide on questions to ask before cosmetic treatment gives a fuller checklist.

Why order and health come first

Cosmetic work usually follows health work. A dentist will normally check for decay, gum disease and bite problems first, because veneers, bonding or crowns placed on unhealthy teeth or gums do not last, and hiding a problem can make it worse. If teeth are crooked, orthodontic treatment may come before veneers or bonding, since moving teeth can reduce the amount of tooth that needs to be altered. Whitening is generally done before bonding or veneers so that shades can be matched. Understanding this sequence helps you to judge whether a plan makes sense and to ask why a step is where it is.

Comparing cost and lifespan

Treatments differ in how much they cost at the start and how long they last. Whitening and scale and polish are relatively inexpensive but short-lived, bonding is moderate and repairable, and porcelain veneers and crowns cost more but may last longer. Our cost and longevity guides explain typical ranges, and each practice sets its own prices. Add up the total, including check-ups, repairs and replacements, not only the first fee. Ask for a written plan with costs, and check what is included. A treatment that costs more at first may cost less over many years, but only if it is well looked after.

Risks and aftercare

All treatments carry some risk. Whitening can cause sensitivity, bonding can chip or stain, contouring is irreversible, veneers and crowns involve removing enamel and may eventually need replacing, and gum procedures need healing time. Good aftercare includes brushing twice a day with fluoride toothpaste, cleaning between the teeth, avoiding biting hard objects, wearing a night guard if you grind and attending check-ups. Tell your dentist if something chips, feels rough or becomes sensitive. Early repair is usually simpler and cheaper than late rescue.

Choosing a dentist for cosmetic work

Check that the person who will carry out your treatment is on the General Dental Council register, which anyone can search online, and ask about their training and experience with the specific treatment. Ask to see examples of their own work, not stock images. A good practice will offer a consultation, explain the plan in writing, give you time to decide and tell you what it will cost. Be cautious of heavy discounts that apply only if you book today. If you have doubts, a second opinion is reasonable and often helpful.

Key takeaways

Cosmetic dentistry terms describe treatments that range from surface cleaning and bonding to veneers, crowns, gum reshaping and orthodontics. Some change only the surface and can be undone, while others remove tooth and cannot be reversed. Ask what each term means for your own teeth, what the alternatives are and what upkeep is needed. This is general information, not personal medical advice, so ask a registered dentist to explain your options.

Useful related pages

This guide is for general information only. It is not a diagnosis, treatment plan, or substitute for advice from a registered dentist or orthodontist.