What Affects the Cost of Professional Teeth Whitening?

Start with the cause of the stain

Teeth darken for many reasons: coffee, tea, wine, berries, smoking, age, some medications or an injury. Surface stains often lift with a cleaning. Deeper colour inside the tooth needs bleaching gel to change.

The Canadian Dental Association says not every kind of discolouration responds to bleaching, and that you should see a dentist first. An exam can spot decay, worn enamel or receding gums that should be treated before whitening. That first visit is part of the true cost, and it can save you money on a product that wouldn't have worked.

Bring a list of any medications you take and tell your dentist how long your teeth have looked darker. A tooth that changed colour suddenly, especially after a knock, needs a closer look before any whitening.

In-office whitening

In-office whitening uses a stronger gel applied at the clinic. Your gums are protected, the gel is placed and refreshed, and your teeth are checked during the session. It suits people who want a noticeable change in one appointment under close supervision.

The in office teeth whitening cost reflects chair time, the professional-strength product and the steps taken to protect your gums. Some people need more than one session, depending on how their teeth respond.

Because the session happens in the chair, you also have someone watching for gum irritation or sensitivity as it happens. If your teeth react strongly, the session can be shortened or the gel changed.

Custom take-home whitening

With a take-home kit, your dentist makes trays from a scan or mould of your teeth. You wear them with a whitening gel for a set time over a few days or weeks. The CDA notes that home-use bleaching gels have clinical support when used properly.

Custom trays fit closely, so the gel stays on your teeth and off your gums. You can also keep the trays and buy more gel later for touch-ups, which can make upkeep simpler. Many people combine an in-office session with a take-home kit.

Fillings, crowns and teeth that have had a root canal

Whitening gel only changes natural tooth. Tooth-coloured fillings, bonding, crowns and veneers stay the same shade. If you have visible restorations on your front teeth, they may look darker once the teeth around them lighten. Replacing them to match can add to the overall cost, so ask about it before you start.

A single tooth that has darkened after root canal treatment usually doesn't respond to regular whitening. It may be treated from the inside, a method called internal bleaching, or covered with a veneer or crown.

Sensitivity and touch-ups

Whitening can make teeth sensitive for a short time. Your dentist may suggest a desensitizing toothpaste, a gentler gel or shorter wear times. These small extras sometimes come with the treatment.

Results don't last forever. The CDA notes that bleaching needs repeating from time to time, and people often have periodic touch-ups. How fast teeth darken again depends on what you eat and drink and whether you smoke.

Professional teeth whitening cost and coverage

Whitening fees vary between offices because each dentist sets their own, sometimes using the Ontario Dental Association suggested fee guide as a check. Dental plans generally treat whitening as cosmetic and don't cover it. Teeth whitening is named as an exclusion in the Canadian Dental Care Plan guide, and it isn't the kind of urgent care the Interim Federal Health Program pays for.

Internal bleaching of a tooth that has had a root canal is sometimes handled differently by insurers. If that applies to you, ask us to send a predetermination before treatment.

Store kits vs. whitening at the dentist

Whitening toothpastes only remove surface stains. Store-bought strips and kits contain bleach, but one-size trays can leak onto the gums and there's no one checking the cause of the stain. Professional whitening costs more upfront, but it starts with an exam, uses trays made for your teeth and comes with guidance if sensitivity shows up.

If you're in Aurora or nearby, Aurora Gateway Dental Care offers in-office whitening and custom take-home kits. A quick exam comes first, then we'll suggest a method and put the cost in writing before you start.

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