Frequently asked questions

Teeth whitening involves applying a bleaching peroxide to the teeth. A blue light is shone onto them, which activates the gel. These agents break down deep and surface stains, oxidising the molecules that cause discolouration. As these molecules become smaller, they can be separated from the tooth which gives an overall brightening effect.  

Yes! It is a safe process when performed by a dental professional using approved products. As a dental hygienist, I am trained to ensure your teeth are suitable for whitening. Your safety and comfort are monitored prior to and throughout the procedure. 

The teeth whitening process typically takes around 1 hour. The consult and oral health assessment can take up to 30 minutes. Allow 1.5 hours for your appointment at The Smile Style. 

You can whiten your teeth in-chair every 6 months to a year, depending on your needs and lifestyle. 

Tooth discolouration can result from various factors. Consumption of staining food/drinks, tobacco use, ageing, poor oral hygiene, certain medications, and dental trauma.  

 It is recommended to whiten your teeth 1-2 weeks before the event. This allows for optimal results and any potential sensitivity to subside. Just remember, teeth whitening is very safe, and most patients do not experience any sensitivity at all. 

It is best to avoid consuming staining foods and drinks for the first 24-48 hours. This includes items like coffee, tea, red wine, dark berries and coloured sauces. During this period, your teeth are more susceptible to staining as the enamel structure has become more porous. 

Teeth whitening treatments using peroxide typically work on natural teeth and may not significantly affect the colour of dental crowns or veneers. If your natural teeth shade is darker than that of your crown/veneer, in-chair whitening is a suitable option to match the two. 

Temporary tooth sensitivity is a common side effect of teeth whitening. This varies among individuals. Dental professionals use measures to minimise discomfort, such as a applying a desensitising agent and adjusting the treatment duration. If you have moderate-severe gum recession, it is important to discuss this with your dentist before the treatment.  

This is variable depending on the beginning shade and genetics. Typically, a 38% hydrogen peroxide gel can result in a whitening of approximately 3-12 shades lighter. Its important to remember that individual results can differ, and not everyone will achieve the same level of whitening.