Medically Reviewed by Dr. Bryant Birch, DDS on July 29, 2026
National Teeth Whitening Day falls on June 17th, and it is a great excuse to think about one of the simplest ways to refresh your smile. Whitening will not change the shape or alignment of your teeth, but for many people it is the fastest way to notice a visible difference after just one visit or a short course of at-home trays.
At Birch Family Dental, we offer professional teeth whitening because it gives you more predictable, longer-lasting results than most over-the-counter options, and it is monitored by a dental team who can watch for sensitivity or other concerns along the way.
Why People Choose to Whiten Their Teeth
People decide to whiten their teeth for all kinds of reasons, and most of them come down to wanting to feel good about a smile they show off often. Some common motivations include:
- Attending a wedding, honeymoon, or graduation
- Going on a summer vacation
- Wanting to boost self-confidence in photos or social settings
- Having professional portraits taken
- Preparing for a job interview or a big presentation
- Simply wanting to put your best smile forward every day
What Causes Teeth to Stain in the First Place
Maybe your teeth look duller than you would like because it has been a while since your last cleaning. Perhaps it is your daily coffee, tea, or wine habit. These drinks can be part of a relaxing routine, but they also take a toll on your teeth over time. Tooth enamel is strong, but it is also porous, which makes it vulnerable to staining agents called chromogens.
Chromogens are pigmented compounds found in red wine, coffee, and tea that cling to enamel, especially when they combine with tannins. Black tea tends to stain more than white, green, or herbal varieties, and acidic drinks like soda, sports drinks, and alcohol can erode enamel and make discoloration more likely. Foods like marinara sauce, balsamic vinegar, berries, curry, and citrus can contribute as well. Frequent tobacco use, certain antibiotics taken earlier in life, and years of brushing too hard can all play a role too.
Tip: Brush gently with a soft-bristled toothbrush. Your enamel and gums will hold up better over time.
How Professional Teeth Whitening Actually Works
Professional whitening uses a peroxide-based bleaching agent, typically at a higher concentration than what you would find in store-bought products, to break down staining compounds within the enamel and the dentin layer beneath it. Because the process is supervised, we can apply the whitening agent more precisely and monitor your gums for irritation along the way. In-office whitening is designed to work faster than take-home approaches, while custom take-home trays offer a gradual option you can use on your own schedule. Both routes tend to outperform generic whitening strips, which are not customized to the shape of your teeth and may fit unevenly along the gumline.
If you are deciding between an in-office visit and a take-home tray, our page comparing professional teeth whitening and home whitening solutions breaks down what to expect from each.
Safety, Sensitivity, and What to Expect
Professional teeth whitening is generally considered safe when it is done under a dentist’s supervision and product instructions are followed closely. According to Cleveland Clinic, the most common side effect is temporary tooth sensitivity, along with occasional gum irritation, both of which typically resolve on their own within a day or two of treatment. Because we monitor the process, we can adjust the concentration or timing if you experience more sensitivity than expected, which is one of the advantages of professional care over an unsupervised at-home product.
Whitening will not work on crowns, veneers, or fillings, since those materials do not respond to bleaching agents the way natural enamel does. If you have significant restorative work or your discoloration runs deeper than surface staining, cosmetic options like veneers may be a better fit, and our overview of a complete smile makeover covers how whitening fits into a broader cosmetic plan.
Are You a Good Candidate for Whitening?
Most people with healthy teeth and gums are reasonable candidates for professional whitening, though your dentist will want to check for untreated decay or gum disease first, since whitening agents can irritate compromised tissue. Pregnant or nursing patients are typically advised to wait, and people with significant enamel wear may want to discuss alternatives. Our page on signs you might be a good candidate for teeth whitening walks through the factors we consider during a consultation.
Keeping Your Smile Bright After Whitening
Once your teeth are looking brighter, a few habits help you hold onto the results longer. Replace your toothbrush once the bristles start to fray, since worn bristles clean less effectively. Limit the foods and drinks most likely to stain, or rinse with water shortly after enjoying them. Keep up with routine cleanings and exams, since plaque and tartar buildup can dull your results over time. Many patients also enjoy touch-up treatments every so often to maintain their brightness, which your dentist can recommend based on your habits and how quickly staining tends to return for you. If you would like to see examples of whitening and other cosmetic results, our smile gallery is a good place to start.
Celebrate National Teeth Whitening Day With Us
Dr. Bryant Birch and our team have provided professional teeth whitening to patients for years, and we take the time to check your oral health before recommending any cosmetic treatment. Whitening works best as part of a mouth that is already healthy, which is one more reason routine dental care matters even when your main goal is a brighter smile.
If National Teeth Whitening Day has you thinking about brightening your own smile, our team would be glad to talk through your options and whether professional whitening makes sense for you. Reach out to Birch Family Dental to schedule a consultation.
Frequently Asked Questions About Teeth Whitening
Is professional teeth whitening safe?
Professional teeth whitening is generally considered safe when performed under a dentist’s supervision and used according to product instructions. The most common side effects are temporary tooth sensitivity and mild gum irritation, both of which usually resolve within a day or two. Your dentist will check your oral health before recommending the treatment.
How long do teeth whitening results typically last?
Results vary depending on your habits, but many people notice their whitening results fading gradually over several months to a year or so. Limiting staining foods and drinks, maintaining good oral hygiene, and scheduling occasional touch-up treatments can help you hold onto your results longer.
Will whitening work on crowns or veneers?
No. Whitening agents only affect natural tooth enamel, so crowns, veneers, and fillings will not change color during treatment. If you have visible restorations alongside natural teeth you want to whiten, it is worth discussing your options with your dentist so your smile stays consistent in color.
What is the difference between in-office and take-home whitening?
In-office whitening uses a stronger solution applied under direct supervision, which tends to produce faster, more dramatic results in a single visit. Take-home trays use a gentler formula applied gradually over one to two weeks, offering a more flexible option for people who prefer to whiten on their own schedule.
Why do my teeth feel sensitive after whitening?
Temporary sensitivity is common after whitening because the bleaching agent can temporarily open tiny channels in the enamel that lead to the tooth’s nerve. This sensitivity typically fades within a day or two. If it lingers or feels severe, let your dentist know so the treatment plan can be adjusted.
About the Author
Practice Owner
Dr. Bryant Birch is a graduate of Creighton University’s School of Dentistry (DDS, 2006) and the owner of Birch Family Dental, where he and his team provide general and cosmetic dental care, including professional teeth whitening.
