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Teeth Whitening Aftercare: How to Make Long Lasting Teeth Whitening

A woman smiling after teeth whitening with her hand on her chin

You’ve invested your hard-earned money and time into achieving a beautiful, white smile. Maintaining that brighter smile is the next challenge. Teeth whitening is great, but it doesn’t last forever if you don’t take care of it.

We will guide you through a comprehensive aftercare routine that ensures you get the most mileage out of your professional teeth whitening treatment. You’ll learn why aftercare is important, what to do and avoid in the initial days post-treatment, and how to keep those teeth shining in the long run.

The Importance of Aftercare

In the days and weeks following your treatment, your new, whiter teeth are more susceptible to staining. That’s because the whitening process opens the pores in your tooth enamel, making them more receptive to colors from foods and drinks. A solid aftercare routine doesn’t just keep your teeth white; it maximizes the effects of teeth whitening. It’s not just about looking good for a week or a month but maintaining that smile for an extended period.

Do’s and Don’ts for the First 48 Hours

The initial 48 hours post-treatment are critical in setting the stage for long-lasting teeth whitening. At this point, your teeth are most susceptible to staining, so caution is your best friend.


  • Hydrate Intelligently: Stick to water or clear beverages. If you need something flavored, use a straw to minimize contact with your teeth.
  • Safe Foods Only: Opt for light-colored foods like chicken, potatoes, and rice. These won’t stain your teeth.
  • Soft Foods are Good: Hard or crunchy foods can be abrasive. Stick to softer foods to avoid damaging the whitening treatment.
  • Rinse After Eating: Even if you stick to safe foods, rinsing your mouth with water after meals can flush away potential staining agents.
  • Use a White Toothpaste: In the first 48 hours, steer clear of colored toothpaste that might stain your teeth. Choose a white toothpaste instead.


  • Stay Away from Culprits: The usual suspects like red wine, coffee, dark fruit juices, and dark sodas should be avoided. You should also avoid less common dark substances like balsamic vinegar, dark sauces, and dark chocolate.
  • Put Down That Cigarette: Smoking or chewing tobacco products can reverse your whitening treatment’s effects. Stay clear for at least 48 hours.
  • Avoid Acidic Foods and Drinks: Items like citrus fruits or soda can erode your enamel and compromise the whitening treatment. Sensitive teeth can be irritated by these foods immediately after whitening, too.
  • Skip the Mouthwash: Colored mouthwashes can stain your teeth. It’s better to skip this entirely for the first couple of days.

Long-Term Maintenance for Lasting Teeth Whitening

The ultimate goal of your newly whitened teeth is a radiant smile that lasts as long as possible. So, let’s break down the key elements you need to incorporate into your daily routine for long-lasting results.

Essential Oral Hygiene Practices

  • Consistent Brushing: It’s not just about doing it twice a day; it’s also about doing it right. Use fluoride toothpaste to maintain oral health and combat bacteria. Consider investing in an electric toothbrush, which is often more effective at removing plaque and stains compared to manual brushing.
  • Don’t Skip the Floss: It’s surprising how many people underestimate the power of flossing. This should be a daily ritual. It helps in getting to the areas your toothbrush can’t reach, thus removing particles and plaque that could lead to staining.
  • Whitening Toothpaste but Sparingly: These can be a good touch-up tool between professional whitening sessions. But remember, moderation is key. Stick to using whitening toothpaste once a week to avoid tooth sensitivity.
  • Mouthwash Matters: Use an antibacterial mouthwash to kill bacteria and freshen your breath. However, opt for a clear version to avoid potential staining from colored mouthwashes.

Regular Dental Visits

  • Scheduled Check-ups: Routine dental check-ups offer thorough cleaning sessions and help catch potential issues before they become problematic. Your dentist can also tailor advice based on your specific teeth condition and whitening treatment.
  • Consider Sealants: Talk to your dentist about the possibility of applying tooth sealants. This protective layer can act as a barrier, making it difficult for stains to settle.

Be Smart with Food and Drink Choices

  • Go for Fiber-Rich Foods: Think of fruits like apples and veggies like carrots as your teeth’s natural cleaning agents. They help scrub away stubborn food particles.
  • Minimize Staining Foods and Drinks: Items like coffee, tea, red wine, and certain sauces can be your teeth’s worst enemies when it comes to staining. If you can’t avoid them altogether, at least try to use a straw or limit your intake to maintain your white teeth as long as possible.
  • Chew Sugar-Free Gum: Chewing gum stimulates the production of saliva, which naturally cleanses the mouth. Just make sure it’s sugar-free to avoid any counterproductive effects.
  • Stay Hydrated: Water is a universal cleanser, even for your teeth. It helps rinse away harmful substances and bacteria. Make it a habit to swish water around in your mouth after eating or drinking anything other than water.

Frequently Asked Questions (FAQs)

How long does teeth whitening typically last?

The longevity of your teeth whitening depends on a variety of factors like your oral hygiene, diet, and whether you smoke or not. With proper care, professional whitening can last up to a year or even longer.

Can I drink coffee, tea, or red wine after teeth whitening?

It’s best to avoid these beverages for at least 48 hours after treatment to prevent staining. After that, try to consume them in moderation and consider using a straw to minimize contact with your teeth.

What happens if I skip my dental check-ups?

Regular dental check-ups are vital for maintaining your oral health and the longevity of your teeth whitening. Skipping appointments could result in plaque build-up and potential issues going unnoticed, which could affect the color and overall health of your teeth.

Maintain Your Pearly Whites With Proper Aftercare

Teeth whitening is an investment—one you certainly want to make the most of. It’s not just about the treatment session but also how you care for your teeth afterward. From the initial 48-hour period to long-term maintenance habits like regular brushing, flossing, and professional dental checks, every step you take contributes to a longer-lasting bright smile.