What is the lawsuit against Crest White Strips?

Author: Sophie Crooks  |  Last update: Monday, June 16, 2025

Procter & Gamble Co. was hit with an infringement lawsuit in federal court in California by Cao Group Inc., which says the consumer supplies giant's Crest 3D Whitestrip products violate its peroxide gel patents. Cao, which launched its Sheer White!

What are the long term effects of Crest White Strips?

In many cases, people who use these strips experience tooth sensitivity and gum irritation. Though the effect is temporary, it can still cause users a lot of pain and anguish. Another rarer side effect is tooth damage. This side effect is more likely to occur if you have untreated cavities or gum disease.

Do dentists approve of crest white strips?

When it comes to whitening, it's not uncommon to think, "is this product both effective and safe for my teeth?" Rest easy knowing four of our at-home teeth whitening treatments have been accepted by the American Dental Association (ADA) as safe and effective: Crest 3DWhitestrips Glamorous White.

What are the negatives of teeth whitening strips?

What are the risks of teeth whitening? No matter what treatment you use, there's a chance your gums will be sensitive to the chemicals used in teeth whitening, particularly if you already have sensitive teeth. There's also a chance of burns to gums and some of the whitening kits used at home can harm tooth enamel.

Are crest whitening strips legit?

Crest Whitestrips are an effective and affordable teeth whitening option, offering noticeable results in a short time. They are easy to use, but some users may experience sensitivity or uneven results. There are options available for those with sensitive teeth.

The Right and Wrong Way to use Teeth Whitening Strips - A Dentist Explains

How to whiten the teeth naturally?

6 Natural Ways To Whiten Your Teeth
  1. First things first, brush your teeth regularly: ...
  2. Oil pulling: ...
  3. Brush with baking soda and hydrogen peroxide paste: ...
  4. Rub banana, orange, or lemon peels: ...
  5. Take a diet rich in fruits and vegetables: ...
  6. Go to the dentist:

Do I brush my teeth after whitening strips?

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.

Can yellow teeth become white again?

Yellow teeth can regain whiteness through various methods, including good oral hygiene, professional dental cleanings, and teeth-whitening treatments. Stains from coffee, tea, or tobacco can be removed with adequate oral care, while professional procedures like bleaching or laser treatments offer quicker results.

What is the best method to whiten teeth?

Tooth whitening in professional hands

Dentists can treat you with 6% hydrogen peroxide (the bleaching agent that whitens teeth) – this is nearly 6,000 times stronger than any over-the-counter tooth whitening product. Because of this, tooth whitening by a dentist will give you the very best results.

Does coconut oil whiten teeth?

Some claim coconut oil offers benefits like healthier gums, plaque removal, and even whiter teeth. But before you make oil pulling part of your morning routine, it's important to ask, “Does coconut oil really whiten teeth?” It turns out that oil probably won't offer you significant oral benefits.

Who should not use Crest White Strips?

But if you have dark and greyed teeth, Crest Whitestrips may not work for you. Crest Whitestrips use peroxide to penetrate the dentin to whiten the teeth. In cases like this, such as tetracycline staining or trauma, veneers or crowns may be a better option.

Why are my teeth so yellow?

Wear. Teeth ultimately turn yellow as you get older, when enamel wears away from chewing and exposure to acids from food and drink. Most teeth turn yellow as this enamel thins with age, but some take on a grayish shade when mixed with a lasting food stain.

Does hydrogen peroxide whiten teeth?

The ADA promotes the safety and efficacy of hydrogen peroxide teeth whitening when used under the supervision of a dental professional or according to ADA approved manufacturer's guidelines. Hydrogen peroxide makes teeth whiter by removing external and internal stains through the breakdown of tooth-staining compounds.

Is it OK to use Crest White Strips every day?

To get the best results, you must use your teeth whitening strips daily, however, using them more often or for a longer period of time than specified in the instructions can ultimately result in erosion of your teeth enamel, which can lead to sensitivity and other damage.

Does baking soda whiten teeth?

Baking soda is a natural bleaching agent used to remove stains from teeth. But, how long the baking soda takes to work depends on the severity of the stains. Generally, it takes about two weeks of daily use before you start seeing results.

What is the best teeth whitening?

Crest's 3D Whitening Strips are probably the most recognizable teeth whitening method on this list, and with good reason. The brand stands out as the No. 1 recommendation in this category, with dentists telling me their patients get good results within a week or two of using the strips every day.

What whitens teeth really fast?

The best way to whiten your teeth fast is through professional teeth whitening treatments at your dentist's office. These treatments use high concentrations of carbamide or hydrogen peroxide to whiten teeth quickly and effectively.

How to whiten teeth over 60?

How to Whiten Senior Teeth: Three Options for Whitening Aging Teeth
  1. 1: Take-Home Professional Whitening Kits. Seniors can whiten their teeth gradually with a professional take-home kit. ...
  2. 2: In-Office Professional Whitening Treatments. ...
  3. 3: Over-the-Counter Whitening Products.

Is there a toothpaste that really whitens teeth?

Study upon study, however, shows that peroxide toothpastes are no more effective teeth whiteners than other toothpastes. Indeed, no toothpaste actually whitens. All toothpaste can do is remove stains from the surface of a tooth.

What vitamin deficiency causes yellow teeth?

The Link Between vitamin D Deficiency and Yellow Teeth

Increased Susceptibility to Cavities: Weak enamel due to insufficient calcium absorption increases the risk of cavities. Decayed areas can appear yellow or brown, contributing to an overall discolored smile.

What home remedy whitens your teeth?

Hydrogen peroxide is a mild bleach that can help to whiten stained teeth . For optimal whitening, a person can try brushing with a mix of baking soda and hydrogen peroxide for 1–2 minutes twice a day for a week.

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.

Should you brush your teeth before or after breakfast?

To sum up, brushing your teeth when you wake up is better than brushing after breakfast as it protects your tooth enamel more. If you have to brush your teeth after breakfast, wait for 30-60 minutes after eating.

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.

Previous article
How can I lose 1 lb a day?
Next article
What eyeliner is best for the bottom lid?