Why Teeth Whiten and What Causes Discolouration
Teeth naturally darken over time as the outer enamel thins and the inner dentine becomes more visible. Coffee, tea, tobacco, red wine, and certain medications (particularly tetracycline taken in childhood) are common culprits. Professional whitening works by applying a hydrogen peroxide or carbamide peroxide gel to the tooth surface, which penetrates the enamel and breaks apart the molecules responsible for staining.
Types of Teeth Whitening Available in Dubai
Dubai clinics offer several whitening options at different price points:
- In-chair laser or light-activated whitening — A high-concentration gel (typically 25–40% hydrogen peroxide) is applied chairside and activated with a UV or LED light. The appointment takes 45 to 90 minutes and results are immediate. Cost in Dubai ranges from AED 800 to AED 2,500 depending on the clinic and the number of sessions.
- Zoom whitening — A popular brand of in-chair whitening using the Philips Zoom lamp. It is one of the most widely offered systems in Dubai and typically costs AED 1,200 to AED 2,000 per session.
- Professional take-home kits — Custom-fitted trays made by your dentist paired with a lower-concentration gel (10–22% carbamide peroxide). Used for 30–60 minutes per day over two to four weeks. Cost is AED 300 to AED 600 and results are gentler and longer-lasting for some patients.
- Over-the-counter strips and kits — Available in pharmacies across Dubai for AED 50 to AED 200. These contain much lower peroxide concentrations and produce minimal results compared to professional options.
What Results Can You Realistically Expect
Most patients achieve two to eight shades of improvement on the VITA shade guide. The final result depends on the starting shade of your teeth, the thickness of your enamel, the cause of the discolouration, and whether you have any existing crowns, veneers, or composite fillings. It is important to understand that whitening gel only works on natural tooth enamel — restorations such as crowns, veneers, and bonding will not change colour and may become noticeably lighter than the treated teeth if the shade difference is significant.
How Long Do Results Last
Professional in-chair whitening results typically last six months to two years with good maintenance. Home habits make a big difference: avoiding staining foods and drinks in the 48 hours immediately after treatment (the open pore period), using a whitening toothpaste, and getting an annual top-up at the clinic will keep results looking their best. Professional home kits with custom trays can be used for maintenance topping-up at a fraction of the cost of a full in-chair session.
Safety, Sensitivity, and Who Should Wait
Professional teeth whitening is safe when performed by a DHA-licensed dentist. Temporary sensitivity during and after treatment is common and usually resolves within 24 to 48 hours. Patients with significant gum recession, exposed dentine, or severe pre-existing sensitivity should discuss this with their dentist first, as lower-concentration protocols or sensitivity pre-treatment can help.
Pregnant and breastfeeding women are advised to postpone elective whitening until after delivery or weaning, as a precaution. During Ramadan, many Dubai patients prefer to schedule whitening before the holy month or shortly after Eid, as the temporary dietary restrictions actually help maintain results.