While it might be tempting to test an over-the-counter treatment out, or try a natural remedy, if you want to know how to whiten teeth safely, your best bet is an in-chair whitening treatment with your dentist. Your dentist can control the treatment and can help you to achieve your goals, often in just one session. Let’s take a look at how to get a brighter smile.


What Causes Staining And Tooth Discolouration?

Teeth stains are generally split into two categories: extrinsic stains and intrinsic stains. While over-the-counter products like whitening toothpaste, gels and at-home kits may work at removing extrinsic or external stains, they usually achieve this with the use of abrasive substances that can be damaging to your tooth enamel.

A lifetime of smoking, drinking coffee and red wine can cause teeth to turn yellow naturally. In fact. Tooth discolouration is a natural sign of ageing.

When you opt for in-chair treatments, your dentist can use a much higher concentration of hydrogen peroxide, which means faster results. Because the whitening treatments are administered by your dental professional, it means these faster results are attainable in a shorter time frame too. So if there is a special occasion coming up, you’re much more likely to meet the deadline.


Safety And Teeth Whitening

The rise in popularity of teeth whitening treatments has lifted the bar for safety standards and protocol. Because of this, any whitening product that is intended for home use may not exceed a total of 6% hydrogen peroxide.

You should also beware of products on the market that contain abrasive and potentially damaging substances like lemon juice, bicarbonate of soda (baking soda), and charcoal.

Even home-made remedies that make claims to whiten teeth naturally should be avoided because their effects can be irreversible and cause long term damage.

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How To Whiten Teeth Safely?

In order to remove stains from inside the teeth and bleach yellow or discoloured teeth, your teeth whitening gel needs to penetrate your dental enamel. Dentist-approved and administered products can do this safely because they protect your enamel and remineralise as they whiten.

First, your dentist will perform a thorough consultation and professional cleaning to remove any plaque and tartar. He or she will also inspect your mouth for signs of decay and gum disease, and ensure your dental enamel is strong and healthy. You will discuss your whitening goals with your dentist.

If you are a candidate for teeth whitening your dentist will protect your soft tissue, and paint on a layer of whitening gel. Some whitening systems make use of blue light or laser to accelerate the whitening treatment. The bleaching gel is usually left on for about 15 minutes at a time, before being removed. Your dentist may re-apply the gel two or three times in the session, to achieve your goals. If you have any tooth surfaces that are more stained than others, your dentist can give them extra attention so that your final result is even and consistent.


If you want to know more about how to whiten teeth safely, it’s time for an appointment. Please contact us for professional advice: (02) 9158 6309.