How long does teeth whitening last?
The answer? It depends on the method you choose and how you take care of your smile afterward. In this article, we’ll break down what to expect from different whitening treatments and how you can ensure your results last as long as possible.
There’s no one-size-fits-all answer, but here’s a general idea based on the type of whitening:
1. Over-the-Counter Whitening Products
Think whitening toothpaste, strips, pens, and rinses. These are easy to find and simple to use, but the results tend to be temporary. Expect effects to last anywhere from a few weeks up to 6 months, depending on the product and how often you use it. These options mostly target surface stains.
2. Take-Home Trays from Your Dentist
These custom trays use a higher concentration of whitening gel than store-bought kits and are fitted to your teeth. With good habits, the results can last up to a year or longer.
3. In-Office Whitening Treatments
Professional teeth whitening done at the dentist’s office provides the most noticeable and long-lasting results. A single treatment can keep your teeth brighter for 1 to 3 years, especially if you avoid heavy-staining foods and drinks.
Factors That Affect How Long Teeth Whitening Lasts
Even the most effective whitening treatment isn’t permanent. Several factors play a role in how long your whiter smile will stick around:
- Diet: Coffee, tea, red wine, and dark berries are known to stain.
- Tobacco use: Smoking or vaping can stain teeth quickly.
- Oral hygiene: Brushing twice a day, flossing, and regular cleanings help keep stains at bay.
Tooth type: Surface stains are easier to remove than deeper, internal discolouration.
How to Help Your Whitening Last Longer
Want to extend the results? Here are a few practical tips:
- Rinse with water or chew sugar-free gum after meals.
- Use a whitening toothpaste between treatments (but avoid overuse if it contains abrasives).
- Avoid brushing right after acidic drinks—wait 30 minutes to protect your enamel.
- Schedule touch-ups every 6–12 months, especially if you love coffee or red wine.
Ready to Brighten Your Smile?
At BluSky Dental, we offer professional teeth whitening at all of our Ottawa locations: Centrepointe, Holland Cross, and McCarthy. Whether you’re interested in in-office whitening or a custom take-home kit, we’ll help you choose the right option for your smile and lifestyle. Book your visit today!