Should I Brush My Teeth Before or After Using Whitening Strips? (2024)

Many people want a brighter, more confident smile.

While professional teeth whitening delivers dramatic results, at-home whitening strips offer a convenient and affordable option. These thin strips coated with peroxide gel can help reduce the appearance of stains and brighten your smile.

There is a common question for those that first start using whitening strips—when is the best time to brush your teeth (in relation to using whitening strips)? To ensure you get the most out of your whitening experience, it’s important to understand this process.

Should I Brush My Teeth Before or After Using Whitening Strips? (1)

Below is some helpful information about whitening strips and whether you should brush before or after their application.

What Are Whitening Strips?

Whitening strips are thin, flexible pieces of plastic coated with a whitening gel. This gel typically contains hydrogen peroxide or carbamide peroxide, active ingredients that work to break down stains. The strength of the whitening agent varies between brands.

To use whitening strips, you apply them directly to your teeth, ensuring the gel-coated side makes contact with the tooth surface. The strips are then left on your teeth for the recommended amount of time, usually around 30 minutes to an hour. During this time, the peroxide penetrates the outer layer of the tooth (the enamel) to target both surface stains and deeper discoloration.

Should I Brush My Teeth Before or After Using Whitening Strips? (2)

Some benefits of whitening strips include:

  • Convenience: Whitening strips offer an easy and convenient way to brighten your smile from the comfort of your home.
  • Affordability: Compared to professional whitening, strips provide a more budget-friendly option for teeth whitening.
  • Accessibility: Whitening strips are readily available over-the-counter at most pharmacies and grocery stores.

Brushing Before Using Whitening Strips

Many dentists recommend brushing your teeth before applying whitening strips. There are a couple of major benefits to this approach:

  • Clean Surface: Brushing removes plaque and food debris, ensuring a clean surface for the strips to adhere to. This direct contact may maximize the effectiveness of the whitening gel.
    Reduced Trapping: Brushing helps eliminate anything that could potentially get trapped under the whitening strips, minimizing the risk of uneven whitening or discomfort.
  • Sensitivity Considerations: While it’s fine to brush before applying strips, some dentists advise waiting a short period (around 30 minutes) after brushing before application. This helps avoid potential gum irritation, especially if you have sensitive teeth.

Brushing After Using Whitening Strips

Another option is to brush your teeth after you’ve removed the whitening strips. Here’s why this might be a good method:

  • Gel Removal: Brushing after using strips helps remove any residual whitening gel from your teeth. This prevents the gel from staying on your teeth for an extended period, which could increase sensitivity.
  • Fresh Breath: Brushing after the treatment can give you a fresh-mouth feeling and improve your breath.

Should I Brush My Teeth Before or After Using Whitening Strips? (3)

Important note: While brushing immediately after strip removal is generally safe, using a soft-bristled toothbrush and gentle strokes is key to protecting your enamel.

When to Seek Professional Whitening

While at-home whitening strips offer a convenient and affordable solution for brightening your smile, sometimes professional whitening might be a better option. Here’s when you might consider seeing your dentist for whitening:

Faster, More Dramatic Results

Professional whitening treatments in a dental office utilize stronger concentrations of peroxide. Dentists can customize trays for your teeth, ensuring the gel reaches all surfaces effectively. This can lead to faster, more noticeable results compared to over-the-counter options.

Severe Discoloration

If you have deep stains or significant discoloration that doesn’t respond to at-home whitening, seeking professional help is usually the best course of action.

Underlying Issues

Sometimes, yellowing or staining of teeth can be caused by underlying dental problems. Professional whitening can be combined with addressing these concerns, leading to a healthier and brighter smile overall.

Sensitivity

If you have sensitive teeth, your dentist can recommend a professional whitening system designed specifically for those with sensitivity issues.

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While professional whitening is generally more expensive than at-home strips and may require multiple visits, it’s an excellent option if you want faster results, have severe stains, want personalized treatment to address tooth sensitivity, or have other underlying dental concerns that need to be addressed before your whitening treatment.

Tips for Successful Whitening

Whether you choose at-home strips or professional whitening, there are several things you can do to support optimal whitening results:

  • Follow the Instructions: The most important factor is to carefully follow the instructions on the whitening product you choose. This includes properly applying the strips (or trays, if you opt for professional whitening) and adhering to the recommended treatment time and frequency.
  • Consistency is Key: To see noticeable results, it’s important to use whitening strips consistently for the recommended period. If you use them sporadically, you’re unlikely to see the whitening effect you desire.
  • Maintain Good Oral Hygiene: Regular brushing (twice a day) and flossing support overall oral health. Plus, clean teeth provide a good foundation for whitening products to work effectively. Consider using a whitening toothpaste in conjunction with your whitening strips for an added boost.
  • Avoid Staining Foods and Drinks (Temporarily): During your whitening treatment and for a little while afterward, limit your consumption of dark-colored foods and drinks that can easily stain teeth. These include things like coffee, tea, red wine, dark berries, and tomato sauce.
  • Manage Expectations: While over-the-counter whitening strips provide visible brightening, they may not deliver the same dramatic white results as a professional whitening procedure. Setting realistic expectations is essential to avoid disappointment.

So…Before or After?

Ultimately, the best approach may depend on your individual preferences and your teeth’s sensitivity. It’s crucial to always follow the specific instructions provided with your chosen whitening strips. If you are unsure about the process or have concerns about sensitivity, consider consulting with your dentist.

Should I Brush My Teeth Before or After Using Whitening Strips? (5)

Whether you opt for at-home whitening strips or explore professional options, taking steps toward a brighter smile can boost your confidence, mood, self-esteem, and overall well-being.

Smile Smarter,
Dr. Joyce

Should I Brush My Teeth Before or After Using Whitening Strips? (2024)

FAQs

Should I Brush My Teeth Before or After Using Whitening Strips? ›

Secondly, it's important to maintain good oral hygiene by brushing and flossing regularly. Brushing before using the strips may help remove any plaque buildup on your teeth, while waiting for at least 30 minutes after using them before brushing again allows time for remineralization of tooth enamel.

Do I brush my teeth before or after whitening strips? ›

It's safe to brush your teeth after applying whitening strips. Just be sure to do it gently to avoid irritating your gums. Another option is to brush your teeth before using whitening strips. This is ideal for removing plaque, which can get stuck beneath the strips.

How do you get the best results from whitening strips? ›

6 Tips When Using Teeth Whitening Strips
  1. Consistency Matters. Teeth whitening strips should be applied to the teeth on a daily basis. ...
  2. Brush Your Teeth Prior to Application. ...
  3. Avoid Uneven Whitening. ...
  4. Use Teeth Whitening Strips in Moderation. ...
  5. Avoid Contact With the Gums. ...
  6. Do Not Consume Dark Food or Beverages After Whitening.

Should your teeth be wet or dry when applying whitening strips? ›

The general rule of thumb is that your teeth should be dry when applying whitening strips. Moisture can interfere with the adhesion of the strips to your teeth, reducing their effectiveness. Before applying the strips, it's crucial to ensure your teeth are clean and completely dry.

What happens if you leave whitening strips on longer than 30 minutes? ›

It's tempting to think that leaving them on longer will yield a more dazzling smile, but this isn't necessarily the case. Overextending the application time can lead to increased tooth sensitivity without delivering significant additional benefits.

How soon after whitening strips can I brush my teeth? ›

It's recommended that you use them as directed by the manufacturer and avoid using them too frequently. While it may be tempting to brush immediately after using whitening strips for a fresh feeling in your mouth, it's best to wait at least 30 minutes before doing so.

Why do my teeth look more yellow after whitening strips? ›

Teeth can become temporarily dehydrated after using whitening strips. Your teeth may appear more yellow as a result of this dehydration because the enamel may become dry and lack moisture. Dehydrated enamel sometimes has a transparent appearance that makes the naturally yellowish dentin underneath visible.

What not to do when using whitening strips? ›

Do not touch your gums with the whitening strips. The whitening agent in whitening strips can be harmful to your gums. Particularly, this agent can damage the soft tissue in your gums, which can lead to a wide array of oral health issues down the road. Apply whitening strips evenly.

Is it better to use Crest White Strips in the morning or at night? ›

The ideal time to use whitening strips, whether in the morning or at night, varies depending on personal preference and convenience. Some individuals find it convenient to incorporate whitening strips into their nighttime routine, allowing the product to work overnight while they sleep.

How many days does it take to see results from Crest White Strips? ›

Some improvement may be seen after only 3 days. Final results are visible after 10 to 20 days, depending on the specific Crest whitening-strip product used.

Why not brush teeth before whitening strips? ›

5. Wait before applying Whitestrips: It's essential to wait 30 minutes after brushing before applying Whitestrips. Brushing can temporarily weaken your enamel, making it more sensitive. Waiting allows your teeth to recover and minimizes the risk of sensitivity.

Does saliva affect teeth whitening? ›

We want it to break down in your mouth but there is one big problem: your saliva neutralizes it almost instantly! Any saliva that makes its way into your whitening trays can completely kill the process, leaving you with spotty results and uneven whitening, if any at all!

How do you know if teeth whitening strips are working? ›

However, after a few days, many people who use Crest 3D White Whitestrips can already see a brighter difference in their smile. Friends or family may also begin to comment on the change! You can also see the result by looking at your back teeth.

When is the best time to use whitening strips? ›

The ideal time to use whitening strips, whether in the morning or at night, varies depending on personal preference and convenience. Some individuals find it convenient to incorporate whitening strips into their nighttime routine, allowing the product to work overnight while they sleep.

Do I rinse after whitening strips? ›

After using whitening strips, you should always rinse your mouth with water. You should also do this after eating or drinking. A minimum of 30 minutes must pass after using whitening strips before consuming any acidic or sugary foods or beverages as they may discolor teeth.

Can I swallow with Whitestrips? ›

Can I swallow saliva during teeth whitening? Yes, the teeth whitening gel is safe. The by-products when peroxide is broken down is largely oxygen (the byproduct that allows for the whitening process) and water.

How long should you wait to eat after using whitening strips? ›

In conclusion, it is generally recommended to wait for about 30 minutes after using whitening strips before eating. This waiting period allows the teeth to settle and ensures the effectiveness of the whitening treatment.

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