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How Long Does A Whitening Treatment Last?

Apr 9 • 4 minute read

One of the most requested cosmetic services from our dental office is teeth whitening treatment. When you have a healthy, bright smile, you won’t be embarrassed to flash those pearly whites, and your self-confidence soars. 

You may be wondering: how long does a whitening treatment will last? 

First, how long a whitening treatment lasts depends on the type of treatment. The duration of store-bought whitening kits differs from professional in-office whitening treatments and at-home treatments. It’s important to know what to expect from each of these options so that you can make an informed choice. 

Second, the longevity of a whitening treatment can also vary from person to person depending on their lifestyle. Good habits and oral hygiene can help you keep your nice, bright smile longer. 

Below, we’ll discuss how long you can expect three common types of whitening treatments to last, along with the impact of lifestyle factors like diet and oral hygiene. 

Whitening (Bleaching) Kits 

When we talk about whitening kits, it’s important to understand the difference between the type of kit you can buy at a store and the take-home kits you receive from your dentist. 

Many people try store-bought whitening kits and gels first. These kits are easy to find at your local pharmacy. However, store-bought whitening products take several weeks to show results and typically last for only a few weeks. 

With whitening by only one to two shades brighter it may not give you the white smile you were hoping for.  

The at-home non-invasive teeth whitening treatments you can obtain from our dental office will are stronger and last longer than store-bought kits. You can expect the results of a professional take-home whitening kit to last several months.  

At-home whitening treatments can also produce a far more dramatic whitening effect, lightening your teeth by up to eight shades. 

This type of tooth whitening will require two visits. We create impressions of your teeth at the first appointment in order to fabricate custom clear plastic trays. These custom trays maximize contact with your teeth for best results and protect gum tissue. 

At your next appointment, we make any necessary adjustments. Your unique trays are then ready for you to wear either twice a day for 30-minute periods, or overnight using a special whitening solution. Depending on the degree of whitening, you’ll continue treatments for a couple of weeks or longer. 

Laser Teeth Whitening 

Laser teeth whitening treatment is performed under the supervision of your dentist. Laser treatments will give you the fastest results, with whiter teeth in two to four 15 to 30-minute sessions.  

You can expect to repeat a laser teeth whitening treatment every 3 to 6 months. It is the most expensive teeth whitening method requires frequent office visits to maintain. 

Zoom Whitening 

Zoom whitening is an in-office teeth whitening procedure that can whiten stained or discoloured teeth in an hour. Zoom uses an overhead ultraviolet light to supercharge the whitening gel (peroxide) to lighten teeth by up to 8 shades in one session. 

Zoom whitening can last up to a year or longer, but the effect is highly dependant on your diet and oral hygiene habits. 

Diet and Good Oral Hygiene 

There are certain foods and beverages that can cause staining to occur after your teeth have been whitened, including: 

 
  • Tea 

  • Coffee 

  • Red Wine 

  • Berries  

  • Pasta sauce 

  • Curry 

  • Balsamic vinegar 

Several medications can also lead to discolouration. Certain antibiotics, antihistamines, and medications used to treat high blood pressure are known to contribute to staining.  

Fortunately, these side effects can often be lessened through good oral hygiene and regular dental cleanings. Good oral hygiene includes brushing teeth twice daily, flossing, refraining from smoking and eating a balanced diet.  

We encourage you to contact us if you have any questions about how long you can expect your whitening treatment to last. For your convenience, we offer same-day appointments and are open evenings and weekends. You can also reach us by phone at 519-746-4000.  

We look forward to looking after all your dental needs! 

 

 

 

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