Is Invisalign Tax Deductible in Canada? 2026 Guide

Turn your smile investment into tax savings — here's how to claim up to $1,500 back on your return

Let's cut through the noise, eh? You've dropped a small fortune on Invisalign to fix that bite issue that's been bugging you for years. Now you're staring at your receipts wondering if the CRA will give you a break come tax time. Good news — your invisible aligners might just be your ticket to a fatter tax refund.

Quick Answer

Yes, Invisalign is tax deductible in Canada as a medical expense when prescribed for medically necessary orthodontic treatment. You can claim costs through the Medical Expense Tax Credit (METC) on lines 33099/33199. For 2026, you can claim the amount exceeding either 3% of your net income or ~$2,850 (whichever is less), potentially saving you $400-$1,500+ depending on your tax bracket.

Table of content

The Medical Expense Tax Credit: Your Financial Lifeline
What Actually Qualifies (And What Doesn't)
Crunching the Numbers: Your Actual Savings
How to Claim Your Invisalign Tax Credit (No Sweat)
Smart Strategies to Maximize Your Claim
Frequently Asked Questions

The Medical Expense Tax Credit: Your Financial Lifeline

The Medical Expense Tax Credit isn't just for hip replacements and prescriptions — it's got your dental needs covered too. The CRA considers orthodontic treatments like Invisalign as eligible medical expenses when they correct functional issues (think bite problems, overcrowding, or jaw alignment). Sorry, but that cosmetic tweak to get Hollywood-perfect teeth? Not gonna fly.

Here's the beauty of this credit: it's a non-refundable tax credit that directly reduces your federal tax owing. At the base rate of 15%, every $1,000 you claim saves you $150. Stack that with provincial credits, and you're looking at serious loonies back in your pocket.

What Actually Qualifies (And What Doesn't)

✅ Eligible Expenses

Invisalign for bite correction, traditional braces, retainers, orthodontic assessments, and related imaging

❌ Not Eligible

Teeth whitening, cosmetic veneers, over-the-counter products, and purely aesthetic procedures

💰 Out-of-Pocket Only

Only claim unreimbursed costs after insurance pays their share — no double-dipping!

The line between "medically necessary" and "cosmetic" can be blurry, and that's where things get a bit hazy. If your dentist prescribed Invisalign to correct a malocclusion that's causing jaw pain or chewing issues, you're golden. If you just wanted to close that tiny gap for Instagram photos? The CRA will nose-check that claim faster than you can say "audit."

Crunching the Numbers: Your Actual Savings

Here's where we do the math, and it's not as scary as your high school calculus class. You can claim medical expenses paid in any 12-month period ending in 2026 that exceeds your threshold.

The threshold is the lesser of:

3% of your net income (line 23600)
~$2,850 (the 2026 estimated amount, adjusted for inflation)

Real talk: If you earned $60,000 in 2026, your threshold is $1,800 (3% of income). Had $7,500 in total medical expenses including $5,500 for Invisalign? You can claim $5,700 ($7,500 - $1,800). At 15% federal rate, that's $855 back — plus provincial credits that could add another $400-600.

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How to Claim Your Invisalign Tax Credit (No Sweat)

Claiming this credit is easier than flossing with those aligners in. Here's your roadmap:

Gather all receipts showing the dentist's info, your payment dates, and treatment details
Total your out-of-pocket expenses after insurance reimbursement
Report on Line 33099 for yourself, spouse, and kids under 18
Use Line 33199 for adult children, parents, or other dependents
Hang onto those receipts for 6 years in case CRA comes knocking

Pro tip: The spouse with the lower income should always claim the medical expenses. Why? Because 3% of a lower income is less money to subtract from your claim. It's basic tax strategy, and it's how you maximize that return.

Related: Moving Expenses Tax Deduction

Essential Tax Filing Resources

Make sure you're using the right tools and information to file correctly:

Complete Tax Filing Guide | Best Tax Software | NETFILE Information

Smart Strategies to Maximize Your Claim

Don't leave money on the table, folks. Here's how to milk this credit for all it's worth:

Bundle your expenses: Choose your 12-month period strategically. If you had wisdom teeth removed in December 2025 and started Invisalign in February 2026, claim the period from December 2025 to November 2026 to capture both expenses in one shot.

Combine family expenses: You can claim for everyone in your household. That $5,500 Invisalign for your teenager plus your $2,000 implant? Stack 'em up to crush that threshold faster.

Track travel costs: If you traveled over 40km one-way to see a specialist (because let's face it, not every small town has an Invisalign provider), you can claim mileage and meals. Beauty, eh?

Understanding how Canada's tax brackets work can help you plan when to time those big dental expenses. Sometimes waiting until January versus December can make a $500 difference.

Frequently Asked Questions

Can I claim Invisalign if my insurance already covered part of it?

Absolutely! You can only claim the unreimbursed portion — what you actually paid out-of-pocket. If your insurance covered $3,000 of a $7,000 treatment, you can claim the remaining $4,000. Just make sure your receipts clearly show what insurance paid versus what you paid.

What if I'm not sure whether my treatment was medically necessary?

If your dentist or orthodontist prescribed Invisalign to correct bite issues, overcrowding, or jaw problems, it qualifies. Purely cosmetic cases don't. When in doubt, ask your dentist for a letter describing the medical necessity. The CRA rarely audits medical expense claims, but having documentation is your insurance policy.

Can I claim Invisalign for my adult child who's still in university?

Yes, if they're a dependent! For adult children (18+), you claim on Line 33199. They must rely on you for financial support and their net income must be below a certain threshold. Student loans don't count as income, so most university kids qualify. The CRA guidance on dependent claims has more details.

Is teeth whitening ever considered medically necessary?

Almost never. The CRA draws a hard line here. Teeth whitening is considered purely cosmetic unless it's required due to trauma or a medical condition. Don't try to claim your Zoom whitening sessions — you'll get denied faster than a bad credit card application.

What documentation does the CRA actually need?

Keep detailed receipts showing the dentist's name, address, registration number, treatment dates, and amounts paid. You don't need to submit them with your return, but hang onto them for 6 years. If the CRA audits you, they can ask for proof of payment and medical necessity. A treatment plan from your orthodontist is gold.

Can I claim Invisalign if I started treatment in 2025 but finish in 2026?

Yes! You claim payments in the year you actually paid them. Spread the cost over two years and you might get two separate credits. This strategy can be smart if you're close to the threshold one year but won't be the next. Just track what you paid when — don't claim the same expense twice.

Does claiming medical expenses affect other credits like the Canada Child Benefit?

Nope! The METC is a non-refundable credit, not an income-tested benefit. It won't claw back your Canada Child Benefit or GST credit. It's pure tax reduction, so claim away without worrying about other benefits.

What if I moved provinces during my Invisalign treatment?

No problem! Claim all expenses paid to Canadian practitioners regardless of province. If you're wondering about moving expenses, those are a separate deduction entirely and don't affect your medical expense claim.

Can I claim the interest on financing I used for Invisalign?

Unfortunately, no. While you can claim the treatment cost itself, interest on dental financing doesn't qualify for the METC. Consider using an RRSP contribution to lower your net income and reduce your threshold instead — that might save you more than the financing interest anyway.

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