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Shade is a conversation that starts with the cause
Teeth whitening
A chemical process that lightens the tooth's own colour, assessed for suitability beforehand, and one that does not change the shade of fillings or crowns.
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Illustrative treatment image01
Understand the treatment
Whitening lightens discolouration on and within the tooth structure. It may be carried out in the clinic or at home using custom trays prepared under a dentist's supervision. Existing fillings and crowns do not change colour with this process.
AI-generated illustrative image; not a real patient case, a before-and-after record, or a promise of outcome. Outcomes of every surgical or interventional procedure may vary from person to person. Please obtain a detailed opinion from your dentist before the procedure.
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When might it be considered?
Address the darkening of tooth colour that comes with age
Establish a starting shade before aesthetic planning
Offer a more conservative option where a restorative treatment is not indicated
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Who may be assessed for it?
Decay, fractures and gum disease are treated first
Existing fillings or crowns in the front region need separate shade planning
A history of sensitivity, wear and recession is assessed
Pregnancy, breastfeeding and certain medications are discussed with the dentist
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Possible stages, from planning to review
Examination
The cause of discolouration, dental and gum health and existing restorations are reviewed together.
Cleaning
Surface deposits are removed so the actual tooth shade becomes visible.
Shade record
The starting shade is recorded, and expectations are discussed against that record.
Application
Carried out in the clinic or at home with custom trays, for the duration and frequency the dentist sets.
Review
The shade achieved and any sensitivity are assessed, and the protocol adjusted if needed.
Maintenance
Staining habits, care and the likelihood of repeat treatment are discussed.
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What to discuss before deciding
Results vary between teeth and between people; a specific shade cannot be guaranteed.
Temporary tooth sensitivity and gum irritation can occur, usually for a short period.
The effect is not permanent and reverses over time depending on diet and habits.
Over-the-counter products used without supervision carry risks for enamel and gums.
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Other approaches that may be considered
Professional cleaning
Composite bonding
Monitoring the change in shade
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Frequently asked questions about this treatment
01Does whitening damage teeth?
Under a dentist's assessment and supervision the expected effect is temporary sensitivity. Unsupervised product use may adversely affect enamel and gums.
02Will my crowns whiten too?
No. Existing crowns and composite restorations do not change colour, which is why shade decisions in aesthetic planning are made after whitening.
03How long does it last?
It varies with the individual and their habits. Staining drinks and smoking shorten it, and repeat treatment may be needed.
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Trusted information sources
These independent health resources can help you build a general understanding of the treatment.
01
American Dental Association — Whitening
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02Cleveland Clinic — Cosmetic Dentistry
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This content is for general information only; it is not a diagnosis, examination or personal treatment recommendation. Suitability, risks, alternatives, timing and expected outcomes can only be discussed personally after a dentist’s clinical assessment and any necessary imaging.
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