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Teeth Whitening: Your Options for a Brighter, More Confident Smile


A bright, white smile can boost your confidence and make a memorable first impression. If you've noticed your teeth losing their luster, you're not alone. At Finch & Dudley Dental in North York, we offer professional teeth whitening solutions that deliver safe, effective, and lasting results.

Why Teeth Become Discolored

Understanding why teeth stain helps you prevent future discoloration and choose the right whitening approach:

Extrinsic Stains (Surface Stains)

These occur on the outer enamel layer and are caused by:

  • Coffee, tea, and red wine
  • Cola and dark-colored sodas
  • Berries and deeply pigmented foods
  • Tobacco use
  • Poor oral hygiene

Intrinsic Stains (Internal Stains)

These occur within the tooth structure and result from:

  • Aging (enamel thins, revealing yellower dentin)
  • Trauma to teeth
  • Excessive fluoride during tooth development
  • Certain medications (particularly tetracycline)
  • Genetic factors

Professional Whitening vs. Over-the-Counter Products

While drugstore whitening products may seem convenient, professional whitening offers significant advantages:

Stronger formulations: Professional products contain higher concentrations of whitening agents, delivering faster and more dramatic results.

Custom fit: Professional trays are made from impressions of your teeth, ensuring even distribution of whitening gel and protecting your gums.

Professional supervision: We monitor your treatment to prevent sensitivity and ensure optimal results.

Predictable outcomes: We can assess which stains will respond to whitening and set realistic expectations.

Our Whitening Options

At Finch & Dudley Dental, we offer several whitening solutions to meet your needs:

In-Office Whitening

Our in-office treatment provides immediate results in about one hour. We apply a professional-strength whitening gel to your teeth and may use a special light to enhance the process. You'll leave our office several shades whiter.

This option is ideal if you:

  • Want quick results for a special event
  • Prefer professional supervision throughout
  • Have limited time for at-home treatment

Take-Home Custom Trays

We create custom-fitted trays from impressions of your teeth. You'll receive professional-strength whitening gel to use at home for one to two weeks. This gradual approach delivers excellent results with flexibility.

This option is ideal if you:

  • Prefer whitening at your own pace
  • Want to maintain results with periodic touch-ups
  • Have sensitive teeth (lower concentrations can be used)

Combination Approach

For maximum results, some patients opt for in-office whitening followed by take-home trays for maintenance. This provides immediate brightening with the ability to sustain and enhance results over time.

What to Expect

Before whitening, we'll examine your teeth and discuss your goals. We'll determine if whitening is appropriate for you – some discoloration, such as stains from certain medications, may not respond well to traditional whitening.

During and after treatment, some patients experience temporary tooth sensitivity. This typically subsides within a few days. We can recommend desensitizing products if needed.

Maintaining Your Results

Whitening results can last from several months to a few years, depending on your habits. To extend your brighter smile:

  • Avoid or limit staining foods and beverages
  • Use a straw for dark-colored drinks
  • Rinse with water after consuming staining substances
  • Don't smoke or use tobacco
  • Maintain excellent oral hygiene
  • Use whitening toothpaste for maintenance
  • Schedule periodic touch-up treatments

Who Should Avoid Whitening?

Whitening may not be suitable for everyone:

  • Children under 16
  • Pregnant or nursing women
  • Those with extremely sensitive teeth or gum disease
  • People with crowns, veneers, or fillings on front teeth (these won't whiten)

During your consultation, we'll discuss whether whitening is right for you and explore alternatives if needed.

Take the First Step

Ready for a brighter smile? Schedule a consultation at Finch & Dudley Dental to explore your whitening options. We'll help you achieve the radiant smile you've been dreaming of.


Discover professional teeth whitening at Finch & Dudley Dental, conveniently located at Yonge and Finch in North York.