Professional teeth whitening uses a peroxide-based gel to lighten the colour of natural teeth. It does not whiten fillings, crowns or veneers, and results vary depending on the cause of discolouration. Common side effects include temporary tooth sensitivity and gum irritation. A dental examination is required before whitening to check for decay, gum disease and other factors that may make whitening unsuitable.
Given the different causes of discolouration, it is important to have your dentist/oral health therapist thoroughly assess your dental health to determine whether teeth whitening is suitable for you.
We have two teeth whitening treatment options available: Take-home Teeth Whitening and In-Chair Teeth Whitening.
Custom trays made from a scan of your teeth, with a lower-strength whitening gel that you wear at home, usually for 30 minutes a day over one to two weeks. Includes the trays and gel (items 119 × 2, 927). A dental examination is required first. Prices current at October 2026 and may change.
A whitening appointment in the practice using the SDI Pola Office+ system (items 118 × 12). A higher-strength gel is applied and activated in the chair; sensitivity during and after treatment is common. Some patients follow up with a take-home kit. A dental examination is required first. Prices current at October 2026 and may change.
Teeth whitening is a cosmetic dental treatment that lightens the colour of natural teeth.
Unfortunately, all types of teeth whitening system can cause some degree of sensitivity to your teeth, some more so than others. This sensitivity is reversible, and is related to the concentration of the whitening system, the length of time applied to the tooth, and the dehydration levels produced by the treatment.
At North Ryde Dentistry, we offer the latest cosmetic dental teeth whitening system: SDI is proud to present their 100% Australian made whitening system PolaOffice+, which utilises a powerful blue-light and high potency whitening gel. We do not use laser as our whitening light because researches have found that blue-light can be just as effective in offering an equal whitening effect without excessive dehydration which can be caused by some high-powered laser whitening systems in the market. Excessive dehydration can cause increased sensitivity of your teeth.
This treatment can be repeated up to 2 to 3 times depending on how white you would like to make your teeth. There is a healthy limitation to how white your teeth will become, and we do not advocate for excessive whitening.
Also, there are certain types of discolouration which cannot be improved from standard whitening, such as leaky old fillings. Your consulting dentist and hygienist will be able to advise you on whether professional tooth whitening is suitable for you.
We also provide take-home whitening as a stand alone treatment. Two custom fitted trays are made to snug fit around your teeth where whitening gels are loaded into. This is an effective and safe alternative to in chair whitening, which can be paced at your own preference.
If you feel that your teeth are becoming sensitive, simply take a day or two off to give your teeth a break, and to continue whenever you are ready. This is more suited to people without a time limit, as this form of whitening needs at least two weeks, and sometimes one to two months before reaching the maximum whiteness level of your teeth.
In-chair whitening at North Ryde Dentistry is carried out in the practice; take-home whitening includes custom trays and gel. A dental examination is required first to check for decay, gum disease and restorations, which do not whiten.
Common side effects include temporary sensitivity and gum irritation; results vary with the cause of discolouration and fade over time.
Prices current at October 2026 and may change. Read the full risks and considerations.
Access our detailed price guide to understand the investment in your dental care options.
