

A brighter smile is one of the most requested cosmetic dental treatments today. Before you book your appointment or buy a whitening kit off the shelf, you need a clear, honest answer to the question: how much does teeth whitening cost?
The answer depends on the type of whitening treatment you choose, where you get it done, and the current condition of your teeth. This guide breaks down every major option, provides real cost ranges, and helps you decide what works best for your smile and budget.
In-office whitening is the most effective option available. Your dentist applies a high-concentration bleaching gel directly to your teeth and, in some cases, activates it with a special light. The entire process takes about 60 to 90 minutes and produces visible results in a single visit.
Cost range: $300 to $1,000 per session

The wide price range reflects differences in:
In-office whitening delivers the fastest and most dramatic results. If your schedule is tight or your wedding is next week, this is your best option.
Your dentist takes impressions of your teeth and creates custom-fitted whitening trays. You then wear these trays at home with a professional-grade bleaching gel for a set number of hours each day, over two to four weeks.
Cost range: $150 to $600
This option costs less than in-office whitening but delivers results close to professional strength. The custom trays fit your exact tooth shape, which keeps the gel in contact with your teeth and away from your gums. This reduces irritation and improves effectiveness.
OTC products include whitening strips, whitening toothpaste, whitening trays, and LED kits sold in pharmacies and online. These contain lower concentrations of bleaching agents than professional treatments.
Cost range: $10 to $150
Common OTC options and their approximate costs:
OTC products work for mild surface staining. However, they take longer to show results and are less effective on deep or stubborn stains.
Whitening toothpastes remove surface stains through mild abrasives or low-dose peroxide. They do not change the natural color of your teeth but help maintain results after a professional whitening treatment.
Cost range: $5 to $20 per tube
Several factors determine the final price you pay:
No. Dental insurance classifies teeth whitening as a cosmetic procedure and does not cover the cost. However, most dental practices offer flexible financing options and payment plans to make treatment more accessible. If cost is a concern, ask your dentist about installment options before your appointment.
Treatment Type | Cost Range | Results | Time to See Results |
In-Office Professional | $300 to $1,000 | Dramatic | Same day |
Dentist Take-Home Kit | $150 to $600 | Strong | 2 to 4 weeks |
OTC Strips/Kits | $10 to $150 | Mild to moderate | 2 to 6 weeks |
Whitening Toothpaste | $5 to $20 | Surface only | Ongoing maintenance |
If cost is your primary concern, OTC strips are a starting point. But if you want reliable, long-lasting whitening, a professional treatment gives you the best return on your investment. Professional whitening also includes a full dental evaluation to ensure your teeth and gums are healthy before treatment begins.
Follow these steps to protect your investment and maintain your results:
Teeth whitening costs range from as little as $10 for an OTC product to over $1,000 for a full professional in-office treatment. Your best option depends on the depth of your staining, your timeline, and your budget. Professional whitening from a trusted dental practice gives you the safest, most consistent results.
At Legacy Dental, our team evaluates your smile first and then recommends a whitening plan built around your specific needs and goals.
At Legacy Dental in Salt Lake City, we offer professional teeth whitening treatments tailored to your smile. Our team walks you through your options, answers your questions, and ensures you leave with results you are proud of.
Call us at (801) 210-8086 or visit 1345 East 3900 South, Suite 116, Salt Lake City, UT 84124 to schedule your consultation today.
For most patients, yes. Professional whitening uses stronger bleaching agents, custom-fitted trays, and dentist supervision. Results are faster, more consistent, and longer-lasting than those of over-the-counter strips or kits, particularly for moderate-to-severe staining.
Results from professional whitening last six months to two years, depending on your diet and oral hygiene habits. Foods and drinks like coffee, red wine, and tea accelerate staining. Regular touch-up treatments help you maintain your results.
No. Whitening agents only work on natural tooth enamel. Crowns, veneers, and dental bonding do not respond to bleaching. If you have restorations in visible areas, your dentist will advise you on realistic whitening expectations and alternative options.
Most patients achieve their desired shade in one to two in-office sessions. Take-home kits typically require daily use over two to four weeks. The number of sessions depends on your starting shade and the level of whitening you want to achieve.
Teeth whitening is generally safe for patients 18 and older. Dentists do not recommend whitening for children or teenagers because their teeth and pulp are still developing. Always consult your dentist before starting any whitening treatment to confirm your teeth and gums are healthy enough for the procedure.
Legacy Dental blog is proudly run by our Salt Lake City dentists team; We share knowledge about general dental care and practices. Apart from running this blog, we offer various dental services such as general dentistry, emergency dentistry, and dental implants for the community in Salt Lake City, Utah