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teeth whitening markham

Dental health

Lasting Shine: How Long Does Teeth Whitening Last? | Markham

When it comes to making a dazzling first impression, nothing does the trick quite like a shiny, bright smile. Teeth whitening in Markham has become increasingly popular, offering a fast, effective way to enhance your smile. But one question often lingers among those considering this cosmetic dental procedure: “How long does teeth whitening last?” Let’s delve into the details in this blog post.

Understanding Teeth Whitening

Before we discuss the longevity of teeth whitening, it’s important to understand what the process entails. Teeth whitening is a cosmetic dental procedure designed to lighten teeth by removing stains and discolouration. There are several methods available, including in-office treatments, dentist-supervised at-home kits, and over-the-counter products. 

In-office whitening typically involves applying a high-concentration peroxide gel to the teeth after protective barriers have been placed on the gums. At-home and over-the-counter products contain lower-concentration bleaching agents and make use of trays or strips.

How Long Does Teeth Whitening Last?

The longevity of teeth whitening can vary significantly depending on several factors. These include the whitening method used, the individual’s lifestyle, diet, oral hygiene habits, and the natural colour of their teeth. 

  • Professional in-office teeth whitening procedures offer the most dramatic results, and these can last anywhere from 6 months to 2 years. Some people may see results that last beyond that range, while others may notice a gradual fading sooner. 

  • At-home or over-the-counter whitening treatments may need to be reapplied more frequently. This is because they involve a lower concentration of bleaching agent, and thus the results are less dramatic and don’t last as long.

Professional versus At-Home Teeth Whitening: Who Is an Ideal Candidate?

In the quest for a radiant smile, teeth whitening has come to the forefront as one of the most popular procedures in cosmetic dentistry Markham. Due to its increasing popularity, teeth whitening options have expanded to include both professional, in-office treatments, and at-home kits. But which option is right for you, and who is an ideal candidate for teeth whitening? Let’s explore these questions in today’s blog post.

Professional Teeth Whitening

Professional teeth whitening is conducted in a dental office under the supervision of a dentist. The treatment typically involves applying a high-concentration peroxide gel to the teeth after protective barriers have been placed on the gums. The process can dramatically brighten teeth in a single session, often lightening them by several shades in less than an hour.


  1. Rapid and noticeable results: In-office whitening provides instant results, making it a perfect option if you’re preparing for a special event and need a quick fix.

  2. Safe and controlled application: The procedure is performed by professionals, which minimizes the risk of gum irritation and ensures even application.

  3. Customized treatment: Your dentist can adjust the concentration of the whitening gel and the treatment duration to suit your specific needs.


  1. Higher cost: Professional teeth whitening tends to be more expensive than at-home alternatives.

At-Home Teeth Whitening

At-home teeth whitening options include over-the-counter kits, such as whitening strips and trays, as well as dentist-supervised treatments that you carry out at home.


  1. Convenience: You can perform the treatment in the comfort of your own home and at a time that suits you.

  2. Lower cost: At-home kits are generally less expensive than professional whitening.


  1. Takes longer to see results: It can take several weeks to achieve the desired results using at-home kits.

  2. Potential for misuse: Without professional guidance, there’s a risk of overuse or incorrect application, which can lead to gum irritation and uneven whitening.

Who Is an Ideal Candidate for Teeth Whitening?

Teeth whitening can be an ideal solution for people with healthy gums and teeth who want to eliminate yellow tones or stains from their teeth. Ideal candidates for teeth whitening include individuals with:

  • Stains from food, drinks, or smoking: These stains are usually located on the surface of the teeth and respond well to whitening treatments.

  • Healthy teeth and gums: Teeth free from decay and gums that are free from infection are likely to respond better to whitening and have fewer side effects.

  • Yellow tones in their teeth: Teeth with yellow tones whitening better than those with gray ones.

However, not everyone is an ideal candidate for teeth whitening. For example, individuals with restorations such as crowns or veneers on their front teeth may not benefit from whitening, as restorations do not respond to whitening agents. Individuals with gum disease, worn enamel, cavities, or very sensitive teeth should also approach whitening with caution.

In summary, both professional and at-home teeth whitening have their advantages and drawbacks. It’s important to discuss with your dentist which option is best suited to your dental health and personal needs. Teeth whitening, when done properly, can significantly brighten your smile and boost your confidence.

Several factors affecting the results


Certain foods and drinks can stain your teeth, such as coffee, tea, red wine, and deeply coloured foods like berries and certain spices. Those who regularly consume these may find that their whitening results don’t last as long. 

Tobacco Use

Nicotine leaves brownish deposits which slowly soak into the tooth structure and cause intrinsic discoloration. Smokers or users of other tobacco products will likely see their teeth discolour more quickly after whitening.

Oral Hygiene

Good oral hygiene can help extend the whitening effect. Regular brushing and flossing help to keep the teeth clean and fight off surface stains.


As we age, our teeth naturally become more yellow. This natural discoloration process means that teeth whitening might not last as long in older adults.

Making Your Teeth Whitening Last Longer

While you can’t completely stop the natural process of tooth discolouration, there are some steps you can take to prolong the results of your teeth whitening treatment:

1. Maintain Good Oral Hygiene: Brush at least twice a day, floss daily, and visit your dentist regularly for check-ups and cleanings.

2. Limit Stain-Causing Foods and Drinks: Try to limit your intake of beverages like coffee, tea, and red wine. When you do consume them, brush your teeth afterwards or rinse your mouth with water.   

3. Quit Smoking: Tobacco stains teeth and is detrimental to your oral health. Quitting can help keep your teeth white and improve your overall oral health.   

4. Use a Whitening Toothpaste: Whitening toothpastes can help remove surface stains, slowing the discolouration process.

The Takeaway

Teeth whitening is a terrific method for boosting your confidence in your smile. While results may not last forever, with the right care and lifestyle habits, you can keep your teeth shining bright for as long as possible. Always consult with a dental professional to choose the best teeth whitening method for you and to understand how to prolong the results. After all, a bright, beautiful smile never goes out of style!


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About DentistryEd

Sharky Liu is the founder and CEO of DentistFind, a results-driven dental marketing platform and marketing service that applies an analytical and data-based approach to increase new patient acquisition for dental practices. 

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