Teeth whitening is one of the most requested cosmetic treatments in Canada. Over-the-counter whitening strips and trays are popular because they seem quick and convenient. But the question remains: Are whitening strips and trays safe for your teeth?

The short answer: they can be safe when used properly—but they’re not risk-free. Understanding how these products work and their limitations will help you make the best choice for a brighter, healthier smile.

One of the most common questions we hear is: how long does teeth whitening last? The good news is, with professional treatment, teeth whitening results can last for years—especially with the right maintenance and lifestyle habits. Whether you're getting ready for a big A bright, confident smile can leave a lasting impression—but years of coffee, wine, smoking, or simply aging can dull your teeth. If you're considering teeth whitening, you may be wondering: Is professional teeth whitening really worth it?

One of the most common questions we hear is: how long does teeth whitening last? The good news is, with professional treatment, teeth whitening results can last for years—especially with the right maintenance and lifestyle habits. Whether you're getting ready for a big event or just want to brighten your everyday smile, understanding what to expect can help you maintain those results for the long haul.

If you’ve been thinking about brightening your smile, you’ve probably come across two common options: whitening at a dental office or visiting a specialty whitening clinic like Grin. While both paths can lead to a whiter smile, the experience — and the results — are very different.