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.

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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.

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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.

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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? ›

Brushing before applying Whitestrips

Whitestrips
Crest Whitestrips were introduced in 2001. The product is used by placing a disposable plastic strip directly onto the teeth that contains an enamel-safe whitening gel. It is reported to be most effective on yellow and heavily stained teeth. In 2010, the "3D" range of Whitestrips was introduced.
https://en.wikipedia.org › wiki › Crest_Whitestrips
can help remove surface stains and improve product adherence. Yet, it's equally essential to follow up with a gentle post-treatment brushing to eliminate residual gel and maintain oral hygiene. The ideal sequence can vary depending on personal preferences and product instructions.

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

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.

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

For best results with any product that promotes white teeth, be sure to follow a routine of good oral hygiene, including twice-daily toothbrushing and daily flossing. Make sure to read the instructions on your products for white teeth—some suggest that you don't brush your teeth immediately before applying the product.

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 is the best time of day 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.

What not to do after using whitening strips? ›

Immediately after whitening, the teeth may be more porous and susceptible to staining, so it's best to avoid consuming foods and beverages that are known to cause discoloration, such as coffee, tea, red wine, or dark-colored sauces.

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.

Why not brush teeth before white strips? ›

Brushing right before applying adhesive strips might remove some of the enamel-strengthening ingredients found in the gel, potentially compromising the whitening effect.

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

Crest 3DWhitestrips Professional Effects is designed to whiten like a professional-level teeth whitening treatment at-home. This enamel-safe treatment will remove over 15 years of stains in 3 days, with full results in 20 days.

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

If your teeth are significantly discolored, you may need to use 2 boxes of Crest 3D White Whitestrips initially to get the desired result.

Can I swallow my saliva with whitening strips? ›

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.

Do I brush my teeth after I use crest white strips? ›

As for whether you should brush your teeth after using whitening strips, there is no definitive answer. While some experts recommend brushing immediately after removing the strips to ensure all residue is removed, others advise waiting for 30 minutes to allow the enamel to rehydrate and minimize potential abrasion.

Is it better to use whitening strips at night or in the morning? ›

For those with busy mornings, applying whitening strips at night might be more convenient and effective. However, if you have a more flexible morning routine and prefer to start your day with a fresh, bright smile, morning application could be ideal for you.

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.

Why not brush teeth before whitening strips? ›

Brushing right before applying adhesive strips might remove some of the enamel-strengthening ingredients found in the gel, potentially compromising the whitening effect.

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 drink water after teeth whitening strips? ›

Yes, you can drink water after using whitening strips, but it's best to wait a short period (typically around 30 minutes) after removing the strips to allow the whitening agents to fully work. What is this? Drinking water immediately after might slightly dilute the whitening effect but is not harmful.

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