Introduction
Teeth whitening is one of the most straightforward cosmetic dental services available — but the gap between over-the-counter products and professional treatment is wider than most patients realise until they try both. Sky Dental Centre offers professional teeth whitening in Thunder Bay as part of its cosmetic services. This guide covers how professional whitening works, who it is suitable for, what you can realistically expect from the outcome, and how it compares to the products available at pharmacies and grocery stores.
Professional teeth whitening options at Sky Dental in Thunder Bay
Professional teeth whitening at Sky Dental uses clinically formulated bleaching agents — hydrogen peroxide or carbamide peroxide — at concentrations that are not available over the counter.
The practice-based option available at Sky Dental involves custom-made whitening trays — thin, flexible trays fitted precisely to your teeth using a digital or physical impression. These trays hold the whitening gel against the tooth surfaces uniformly, which is one reason professional results tend to be more even than those from generic strips or trays.
The custom tray approach involves a brief fitting appointment at Sky Dental, after which you complete the whitening process at home over a period of one to two weeks. The trays are yours to keep and can be used for touch-up treatments in future with additional gel, available from the practice.
The clinical team will assess your teeth before whitening to confirm suitability and discuss what results are realistic for your starting shade. Not all discolouration responds to bleaching in the same way — this is something the team will address honestly at your assessment.
Who is teeth whitening suitable for?
Professional teeth whitening is appropriate for patients with healthy teeth and gums, no untreated decay or gum disease, and discolouration that is extrinsic in origin — meaning surface staining from food, drink, tobacco, or natural ageing.
Intrinsic staining — discolouration that originates inside the tooth structure itself — does not respond to bleaching in the same way. For patients with significant intrinsic discolouration, the clinical team will discuss what whitening can realistically achieve and whether other cosmetic options may be more appropriate.
Existing dental restorations — fillings, crowns, veneers, and bonding — do not respond to whitening agents. If you have visible restorations in your smile, the clinical team will discuss how whitening may affect the appearance of those restorations relative to your natural teeth.
Teeth whitening is not recommended during pregnancy. Patients with tooth sensitivity should inform the clinical team before beginning treatment. A dental assessment prior to whitening is the appropriate way to confirm suitability and set realistic expectations.
What a professional whitening appointment at Sky Dental involves
The first step is an assessment and tray fitting appointment. The clinical team will examine your teeth and gums, confirm there are no contraindications, take impressions or scans for your custom trays, and discuss what shade change is realistic for your starting point.
Your custom trays are fabricated and collected at a second brief appointment. The clinical team will explain how to use the whitening gel — how much to use, how long to wear the trays each session, and for how many days or weeks to continue the process. They will also explain what to expect in terms of sensitivity and how to manage it.
The whitening itself takes place at home, on your schedule. Most patients complete the initial course within two weeks. At the end of the course, the clinical team can assess the outcome and advise on maintenance. The custom trays can be used for future touch-up treatments as needed.
How professional whitening compares to over-the-counter products
Over-the-counter whitening products — strips, generic trays, whitening toothpastes — are widely available at Thunder Bay pharmacies and online. They use bleaching agents at lower concentrations than professional products, which limits the degree of colour change achievable.
The practical differences patients most commonly notice between over-the-counter strips and professional treatment include: more even whitening (custom trays ensure the gel contacts all surfaces uniformly), a greater degree of shade change overall, and a more predictable outcome because the starting point is assessed before the process begins.
Whitening toothpastes work through abrasion rather than bleaching and are useful for maintaining existing shade, but they do not produce significant colour change on their own.
For patients who have used over-the-counter products and been dissatisfied with the evenness or degree of result, professional treatment is typically the appropriate next step. For patients who have never tried any whitening and have mild staining, the clinical team will give an honest assessment of whether professional treatment is necessary or whether a pharmacy product would be a reasonable starting point.
Frequently Asked Questions
Q: How long do teeth whitening results last?
Results vary depending on diet, habits, and individual tooth characteristics. Whitening is not permanent — teeth will gradually return toward their pre-treatment shade over time, particularly with regular consumption of staining beverages. Most patients find that periodic touch-up treatments with their custom trays maintain the result.
Q: Does professional teeth whitening cause sensitivity?
Some patients experience temporary sensitivity during or shortly after whitening treatment. This is generally short-lived and resolves after treatment is completed. The clinical team will discuss sensitivity management before starting and can recommend approaches to minimise it.
Q: Will teeth whitening work on crowns, veneers, or fillings?
No. Whitening agents affect natural tooth enamel but do not change the colour of dental restorations including crowns, veneers, fillings, and bonding. If you have existing restorations in your smile zone, discuss this with the clinical team before starting whitening.
Q: How do I book a teeth whitening consultation at Sky Dental Thunder Bay?
You can book directly at skydentalcentre.ca/book-an-appointment or call Sky Dental at 807-804-2624. The team will schedule an assessment appointment to confirm suitability and discuss your options before any whitening begins.
Finding Professional Teeth Whitening in Thunder Bay?
To find out whether professional teeth whitening is appropriate for your situation, book an appointment at Sky Dental Centre in Thunder Bay — skydentalcentre.ca/book-an-appointment or call 807-804-2624. The team will give you an honest picture of what professional whitening can achieve for your specific teeth.