Which whitening strips go where?

Author: Lysanne Graham  |  Last update: Saturday, May 10, 2025

Apply the strips to your teeth, gel side against the surface of the tooth, being careful to not place it on the gums. There is usually a strip for the top teeth and another for the bottom teeth and they should be placed just below the gum line.

Which crest whitening strip goes where?

There are two strips – one designed for the top teeth and one designed for the bottom teeth. Use the longer strip for your top teeth and the shorter strip for your bottom teeth.

Which whitening stripes go on top and bottom?

Which strip goes on the top and bottom? The longer strip goes on the top, the shorter one on the bottom.

Where do you put teeth whitening strips?

To apply, simply remove the teeth whitening strip from its liner and place the gel side to your teeth, aligned with your gum line. Press against your teeth for best contact and fold the remainder of the strip behind your teeth.

Do I brush my teeth after whitening strips or no?

Brushing too soon could potentially damage this delicate layer and lead to tooth sensitivity or even enamel erosion over time. To strike a balance between these perspectives, dentists often recommend waiting at least 30 minutes before brushing your teeth after using whitening strips.

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

You might be tempted to leave whitening strips on your teeth for a little longer, but this will increase the risk and severity of side effects like sensitivity and gum irritation. In some cases, overuse of whitening strips has even led to chemical burns on the gums.

Does saliva ruin whitening strips?

Can I Swallow my Saliva While using Whitening Strips? Yes, you can swallow your saliva while using whitening strips, as most bleaching agents in the strips are safe for oral use and ingestion in small amounts. But you do not need to swallow excessive amounts of saliva while using the strips.

Can you wear stripes on top and bottom?

Avoid wearing horizontal stripes on top and vertical on the bottom (and visa versa) and consider the width of the stripes when you're trying to incorporate two separate pieces. DO pay attention to scale. If you're putting (for example) stripes and checks together, the scale should be roughly the same.

What's the difference between all the Crest Whitestrips?

The Crest 3D Whitestrips 1-Hour Express box has 10 treatments; the company advertises that it brightens teeth up to 12 shades whiter. By comparison, the original strips use lower concentration bleaching agents and claim to deliver results up to six shades whiter.

Does blue light actually whiten teeth?

Blue light itself cannot whiten the teeth. Instead, blue light is used to activate a chemical reaction. You'll apply a specialized whitening gel to the patient's teeth containing either carbamide peroxide or hydrogen peroxide. The blue light activates the compounds in the gel and helps break it apart faster.

Which way round do whitening strips go?

To apply, simply remove the whitening strip from its liner and place the gel side to your teeth, aligned with your gum line. Press against your teeth for best contact and fold the remainder of the strip behind your teeth.

Why do whitening strips only cover front teeth?

We do not recommend using Crest 3D Whitestrips on your back teeth because the strips are specially designed to fit front teeth — the teeth shown when you smile. If you use Whitestrips on the back teeth, the strips may become loose and eventually fall off during the wear period as a result.

What is the best time of day to use whitening strips?

Should You Use Whitening Strips In The Morning Or Night? Whether you choose to use whitening strips in the morning or at night depends on your personal preference and lifestyle. There is no strict rule regarding the time of day you should use them.

Do I brush after whitening strips?

While it may be tempting to brush immediately after using strips, it's best to wait for your enamel to recover before brushing gently with a sensitive toothpaste. By following these guidelines, you can enjoy a radiant smile without compromising your dental health.

Why are my teeth so transparent after whitening strips?

If you experience teeth translucency after teeth whitening, don't panic! This relatively common side effect usually subsides within a few weeks. To prevent this, use safe and gentle teeth whitening solutions or discuss options with your dentist to ensure a lasting result without the risk of enamel damage.

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.

Which teeth whitening strip is the top?

“Over the counter, I recommend Crest 3D White Whitestrips,” Dr. Hadaegh says. “A lot of my patients who naturally have whiter teeth or slightly discolored teeth are happy with the results.”

Does LED light whiten teeth without gel?

Although results cannot be achieved with an LED light alone, phenomenal results are produced when used with whitening gels.

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

One key aspect is knowing when to eat after the treatment. Dentists typically recommend waiting at least one hour before consuming any food post-teeth whitening. It is advisable to wait as long as possible to allow the whitening agent to fully interact with your teeth.

Will my teeth go back to yellow after whitening?

With time, these tannins cling to your teeth's enamel and create yellowish stains. Similar to this, frequent use of tobacco products or cigarette smoking might cause your teeth to remain yellow even after whitening procedures. A yellow coating on your tongue could also be noticed.

Can I do two crest white strips in one day?

Extensive clinical and consumer testing was done to establish the safety and efficacy of Crest 3D White Whitestrips. However, based on the results of that work we do not recommend using more than 2 upper strips and 2 lower strips in a day.

Can I drink water after 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. Drinking water immediately after might slightly dilute the whitening effect but is not harmful.

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