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905-848-2250
Mississauga, ON · Professional Whitening

Teeth Whitening in Mississauga

Brighten your smile safely and effectively with professional whitening. Better results, less sensitivity, and faster outcomes than anything available over the counter.
Request an Appointment
905-848-2250
Overview

What is professional teeth whitening?

Professional teeth whitening uses clinically formulated bleaching agents to lighten the natural colour of tooth enamel. Unlike over-the-counter strips and trays, professional-grade products penetrate enamel more deeply and are applied using custom-fitted trays or in-office protocols designed to minimize sensitivity while maximizing results.At Tomken Dental, we offer take-home professional whitening with custom trays crafted precisely to your teeth. This approach allows you to whiten on your schedule, apply even pressure across all surfaces, and achieve noticeably brighter results, typically two to eight shades lighter, without the uneven coverage and discomfort that generic products often produce.

Stronger, Safer Formula

Professional whitening gels use higher concentrations of bleaching agent than over-the-counter products, producing faster and more dramatic results. The custom-fitted trays ensure the gel contacts every surface evenly and keeps it away from gum tissue.

Custom-Fitted Trays

Generic store-bought trays fit poorly, allowing gel to contact gum tissue and producing uneven whitening. Custom trays made from precise impressions of your teeth deliver gel consistently to every surface, and can be reused for touch-ups with additional gel.

Personalized Treatment

We assess your teeth before whitening to ensure existing restorations are noted (they won’t lighten with bleaching agents), that any sensitivity concerns are addressed, and that your expectations are realistic. Not all discolouration responds to whitening, we advise honestly on what results are achievable.
Who This Is For

Is professional teeth whitening right for you?

Whitening is one of the most accessible cosmetic improvements available, non-invasive, relatively quick, and effective for a wide range of patients. The best candidates have healthy teeth and gums with no significant untreated decay or gum disease.

Surface Staining

Extrinsic staining from coffee, tea, wine, and tobacco responds very well to professional whitening. A professional cleaning to remove tartar and surface deposits before whitening ensures more even results.

Age-Related Discolouration

Teeth naturally yellow and darken with age as enamel thins and the underlying dentin shows through. Whitening lightens this effectively in most patients, though deeply yellowed teeth may require more treatment cycles.

Pre-Cosmetic Treatment

Many patients whiten before getting veneers, bonding, or crowns so the restorations can be shade-matched to a brighter baseline. We recommend whitening first, waiting two weeks for the shade to stabilize, then proceeding with cosmetic work.

Special Occasions

Weddings, interviews, milestones, many patients choose professional whitening for a specific event. With take-home trays, you control the pace and timing. Starting two to four weeks before the event gives ample time for optimal results.
What To Expect

Your whitening treatment, step by step.

1

Pre-Whitening Assessment

Before starting, we assess your teeth for cavities, gum health, and existing restorations. We note your current shade and discuss realistic target results. If cleanings or restorative work are needed first, we schedule those before whitening begins.

2

Impressions for Custom Trays

Digital or physical impressions are taken of your upper and lower teeth. These are used to fabricate custom-fitted whitening trays precisely contoured to your dentition. Trays are typically ready within one to two business days.

3

Tray Fitting & Instructions

At your fitting appointment, we check the tray fit and provide detailed instructions for use, including how to apply the gel, how long to wear the trays, and how to manage any sensitivity. Most patients wear trays for 30 to 60 minutes daily over one to two weeks.

4

Whitening at Home

You apply the professional gel to the trays and wear them on your own schedule. Results appear gradually, with the most significant change typically visible within the first three to five days of consistent use.

5

Follow-Up & Touch-Ups

A follow-up check allows us to assess results and note your final shade. Custom trays can be reused indefinitely, simply order additional gel when you want a touch-up. Most patients find whitening once or twice a year maintains their desired result.
Honest Expectations

Benefits and realistic considerations.

What You Gain

  • Noticeably brighter teeth, typically two to eight shades lighter with professional treatment
  • Even whitening across all surfaces with custom-fitted trays
  • Reusable trays for cost-effective touch-ups over time
  • A quick, non-invasive treatment with no recovery time needed

Things to Know

  • Existing crowns, veneers, and bonding do not whiten, their shade will remain unchanged
  • Intrinsic discolouration from tetracycline antibiotics or trauma may not respond fully to whitening
  • Temporary tooth sensitivity during or after whitening is common, we advise on how to minimize it
  • Results are not permanent, diet, habits, and ageing will gradually re-stain teeth over time
Preparation & Aftercare

Before, during, and after whitening treatment.

Before Starting

Schedule a professional cleaning before whitening, removing tartar and surface staining first ensures more even and effective bleaching. Treat any active cavities or gum disease before beginning. If you plan to get veneers or bonding, whiten first and wait two weeks for the shade to stabilize before shade-matching your restorations.

During Treatment

Wear trays for the recommended time, longer exposure does not produce proportionally better results and increases sensitivity risk. If sensitivity becomes uncomfortable, reduce wear time or take a day off from treatment. Keep whitening gel refrigerated when not in use. Avoid highly staining foods and beverages during the whitening period for the best outcome.

After Whitening

Avoid intensely staining foods and drinks, coffee, red wine, tea, tomato sauce, berries, for 48 hours after completing treatment. This is the period when enamel pores are most open and susceptible to restaining. Use toothpaste designed for sensitive teeth if sensitivity persists. Store your custom trays safely, they’re reusable for touch-ups.
At-Home Care

Making your whitening results last.

Small habits make a significant difference in how long your whitening results last.
Rinse with water immediately after consuming staining beverages like coffee, tea, or wine
Brush twice daily with a whitening toothpaste to remove surface staining between touch-ups
Use a straw for staining beverages to minimize contact with tooth surfaces
Avoid tobacco, it produces the most persistent and difficult-to-remove staining
Keep your custom trays and reorder gel from us when you’re ready for a touch-up
Attend regular cleanings, professional removal of surface staining keeps your whitened smile looking its best
Related Treatments

Treatments that pair well with whitening.

Dental Cleaning

A professional cleaning before whitening removes surface staining and tartar, creating the cleanest possible surface for bleaching. The result is more even coverage and a more noticeable improvement.

Veneers & Same-Day Veneers

Whitening before veneer treatment allows your restorations to be shade-matched to a brighter baseline. Many patients find that whitening first significantly reduces the number of veneers needed to achieve their ideal smile.

Invisalign

Many patients choose to whiten after completing Invisalign treatment, combining a straightened smile with a brighter one. The result of both treatments together is dramatic and achievable without any invasive procedures.
Why Tomken Dental

Why Mississauga patients choose us for whitening.

Professional Results, Not Guesswork

Over-the-counter products produce variable results because the trays don’t fit and the formulas are weaker. Custom professional trays with clinical-grade gel produce consistent, even, and noticeably brighter results, with guidance from our team throughout.

Built Into Your Overall Smile Plan

If whitening is part of a broader cosmetic or restorative plan, we sequence it properly, ensuring restorations are shade-matched to your brightened colour. We see whitening as one component of a complete smile, not a standalone afterthought.

Accessible and Affordable

Professional whitening is one of the most cost-effective cosmetic improvements available. With reusable custom trays and touch-up gel available on an ongoing basis, maintaining your result is simple and economical.
Common Questions

Teeth whitening FAQ.

How much whiter will my teeth get?
Most patients achieve two to eight shades of improvement with professional take-home whitening. Results depend on the current shade of your teeth, the type of discolouration, and how consistently you use the treatment. We shade-match your teeth before starting so you can see the difference at your follow-up.
Yes, professional whitening is safe when performed on healthy teeth under dental supervision. The most common side effect is temporary tooth sensitivity. We screen for any conditions that would make whitening inadvisable before prescribing treatment.
Results typically last one to three years, depending on your diet, habits, and oral hygiene. Coffee, tea, red wine, and tobacco are the main causes of re-staining. With reusable custom trays and periodic touch-up gel, maintaining your result is easy.
Whitening agents only work on natural tooth enamel, they have no effect on porcelain, composite resin, or other restorative materials. If you have visible crowns, veneers, or bonding, they will remain their current shade while your natural teeth lighten. We factor this into treatment planning.
Sensitivity is the most common concern with whitening, but it’s manageable. We recommend using sensitivity toothpaste for two weeks before starting, reducing daily wear time, and taking days off if needed. Professional formulas are available in lower concentrations for sensitive patients. Call (647) 692-6053 to discuss what’s right for you.

A brighter smile, done right.

Book your whitening consultation at Tomken Dental. Call (647) 692-6053 or request your appointment online.
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