Medically reviewed by Debra Rose Wilson, Ph.D., MSN, R.N., IBCLC, AHN-BC, CHT — By MaryAnn De Pietro, CRT on January 8, 2019
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Can I Use Hydrogen Peroxide To Whiten My Teeth Every Day?
Hydrogen peroxide is an antiseptic frequently used to clean minor cuts or disinfect surfaces. Due to its versatility, hydrogen peroxide is a staple in many medicine cabinets and first aid kits, and it is readily available at most drug stores.
The liquid contains oxygen and hydrogen molecules. It is an oxidizing agent, which means that it can kill living cells, such as bacteria.
Different strengths, or concentrations, of hydrogen peroxide are available, depending on its intended use. High concentrations are typical in industrial production. The most common concentration sold for household use is 3 percent.
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The study involved 50 bovine teeth stained with tea, and the results indicated that over time, the hydrogen peroxide mouthwashes significantly increased the whiteness of the teeth.
One cause of a sore throat is a bacterial infection. Gargling with hydrogen peroxide may ease discomfort by reducing the number of bacteria in the mouth and helping clear the infection.
Plaque that forms on the teeth contains a slimy film of bacteria called a biofilm. Hydrogen peroxide releases oxygen that helps destroy the bacteria.
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The results indicated that the hydrogen peroxide group had significantly fewer signs of gum disease by the end of the study, compared to the group that had received root debridement alone.
One advantage of gargling with a hydrogen peroxide solution is it can reach the back of the mouth and spots that may be hard to reach with dental floss.
When put on a cut, hydrogen peroxide bubbles or foams as it releases oxygen. The foaming helps clean the area, remove dead cells, and reduce bacteria.
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Hydrogen peroxide needs time to work. Since gargling is relatively quick, it will not kill all the bacteria in the mouth, but it may reduce the count.
It is important to know how to use a hydrogen peroxide solution correctly to get the most benefits and avoid unwanted side effects.
Hydrogen peroxide is safe for most people if they use it correctly. However, the compound can be harmful if a person uses it too often or if the concentration is too strong.
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People should never gargle with food-grade hydrogen peroxide, which has a concentration of 35 percent. If a person accidentally swallows it, this can lead to serious gastrointestinal problems.
The compound can also irritate the eyes, so when spitting out the solution, take care to prevent it from splashing back toward the face.
Avoid swallowing hydrogen peroxide. Although swallowing small amounts of a 3 percent concentration usually does not cause serious problems, it may result in stomach upset and vomiting.
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If irritation develops after gargling, and it does not go away in a few hours, stop using hydrogen peroxide for this purpose.
Gargling with hydrogen peroxide may help whiten teeth or reduce the number of bacteria in the mouth. However, it is vital to use a concentration no stronger than 3 percent and to use it in moderation to avoid irritation.

Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. We avoid using tertiary references. We link primary sources — including studies, scientific references, and statistics — within each article and also list them in the resources section at the bottom of our articles. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.The upper surface of the tongue is covered with fingerlike projections called papillae, which contain taste buds and temperature sensors and enable eating. These tiny bumps are the same fleshy color as the tongue, making them barely noticeable.
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But if there’s a buildup of food debris, bacteria, and dead cells on the tongue surface, these nodules swell up and turn slightly pale. It ultimately makes your tongue appear white as well.
When you rinse your mouth with a saline solution, the coarse granules of sea salt or kosher salt provide a gentle scrubbing action against the tongue.
Swishing this solution in your mouth helps dislodge the plaque, food particles, and dead cells that have accumulated on your tongue, which are eventually spat out.
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Using a saline gargle to flush out the impurities from your oral cavity may also help improve your overall oral well-being in general, making you less prone to problems such as a white tongue.
According to a 2015 clinical trial, salt water may work as an antiseptic solution that can help eliminate the oral bacteria responsible for foul breath when used as a mouth rinse. (1)
Another study suggested that a salt water rinse can be used as an additional curative measure along with the traditional mechanical plaque control techniques to curb oral diseases. (2)
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Salt water can serve as a safe, nontoxic, and naturally antiseptic mouthwash that can help preserve and improve your oral health. ENT specialists routinely recommend it as a self-care measure to relieve the discomforts associated with a white-coated tongue.
Probiotics are generally considered important agents for the improvement of gut health as they aid digestion, but they are also a good remedy for the white tongue.

According to one literature review, probiotics may help improve oral health by inhibiting the growth or colonization of disease-causing pathogens in the mouth. (3) This beneficial effect can be attributed to the presence of
How And Why To Maintain A Clean Tongue
A number of dietary sources can supplement your probiotic needs, which largely include fermented foods such as yogurt, kefir, sauerkraut, kimchi, miso, and tempeh.
You can also speak with your doctor about starting on a probiotic supplement if you fail to meet your requirement of good bacteria through food.
Substantial research supports the use of probiotics as a means to better oral health, but the extent and efficacy of their antibacterial function need to be examined further through additional randomized clinical trials with long-term follow-up periods.
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Maintaining proper oral hygiene is vital to a healthy tongue. In addition to brushing and flossing your teeth, one complementary step that you should include in your oral hygiene regimen is tongue scraping. (5) This method is especially effective in reducing and removing any debris and bacteria that settle in the oral cavity.
Scrape your tongue gently but thoroughly, from back to front, using a tongue cleaner or a soft toothbrush. Do not overdo it by applying too much pressure, which can lead to open wounds, making you susceptible to infection. Also, do not insert the scraper so far back that it causes a gag reflex.
While there are specific tools manufactured for this function, some toothbrushes have an inbuilt tongue scraper at the back of their brush head.
Clean Your Tongue
Complete oral hygiene should include regular scraping of your tongue along with the standard brushing, flossing, and rinsing routine. Your tongue accumulates food debris, dead cells, bacterial plaque, and other impurities over time unless cleaned properly. This oral care measure carries a lot of scientific support and is a highly recommended practice to address conditions such as a white tongue.
Chewing these hard foods gives your oral cavity a bit of additional cleaning to eliminate plaque buildup. Apples, strawberries, guavas, celery, and carrots are all good options to naturally clean a white-coated tongue.
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Eliminate alcohol abuse, tobacco consumption, and cigarette smoking as these unhealthy habits are some of the prime culprits for the development of white plaque on the tongue.
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Visit your dentist every 6 months for a checkup to ensure optimal oral health and so that corrective measures can be undertaken if needed.
Completely commit to your oral hygiene routine, which stipulates that you brush your teeth at least twice a day with a fluoride-containing toothpaste.
Flossing can help you dislodge the food particles stuck in the hard-to-reach corners of your mouth and the crevices between your teeth. Thus, flossing your teeth once a day can help deep clean your oral cavity.
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Another important but often neglected step that completes your oral hygiene regimen is rinsing your mouth with a fluoride-containing mouthwash every day.
Avoid certain oral hygiene products that can be too harsh for your already irritated tongue. These include alcohol-containing mouthwash and toothpaste that contain sodium lauryl sulfate.
Keep yourself sufficiently hydrated by drinking at least 8 glasses of water in a day. It is best to meet your daily fill of fluids by drinking water throughout the day. This keeps your mouth moist at all times and thereby helps prevent bad breath and other oral issues.
Can You Use Hydrogen Peroxide As Mouthwash
Water helps flush away the food debris from your mouth, which is otherwise used by the oral bacteria as fodder to grow.
Bear in mind, however, that hydrogen peroxide is a rather strong chemical that can end up eroding your oral mucosa if used excessively or in stronger concentrations.

Commercial mouthwashes typically contain 1.5%–3% hydrogen peroxide, which is the safe range. Anything above 3% can leave you with mouth burns and even tissue death.
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You can make your own mouthwash by mixing equal
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