Does Mouthwash After Brushing Wash Away Fluoride? - Caputo Dental (2024)

By Caputo Dental

Does Mouthwash After Brushing Wash Away Fluoride? - Caputo Dental (1)

Keeping your teeth in good health does more than give you a beautiful smile and boost your self-confidence. Studies suggest that strong and healthy teeth are indicative of oral and overall health.

A good oral health routine includes brushing twice a day with a soft-bristled brush and using fluoride toothpaste, flossing and using mouthwash at least once a day, as well as eating a healthy diet with limited sugar.

So when exactly should you use mouthwash, and can it wash away the benefits of brushing with fluoride toothpaste? We answer these questions and more in our comprehensive guide to mouthwash.

What is Mouthwash?

Mouthwash is an oral rinse that you use as part of your at-home oral care routine. It usually contains an antiseptic that kills the harmful bacteria in your mouth while freshening your breath, but it isn’t designed to replace teeth brushing.

Mouthwash formulas vary, and products can be used for different purposes. Most contain an antiseptic like menthol, alcohol, or eucalyptol to kill bacteria on the palette of your mouth, your tongue, and between your teeth to reduce tooth decay and gum disease. Some formulas containing peroxide can even help whiten your teeth, while those containing odor neutralizers and astringent attack and mask bad breath.

Others contain fluoride to help strengthen your tooth enamel. You may even be prescribed an antimicrobial mouthwash by your dentist if you have signs of gum disease.

When to Use Mouthwash?

Although you can use mouthwash whenever you need to freshen your breath, the best time to use mouthwash is right after you eat. The sugars in the food and drinks you consume make your mouth more acidic. If you brush your teeth immediately after eating, you brush acid into your teeth, causing tooth erosion.

Some dentists recommend avoiding using mouthwash immediately after brushing. Most fluoride toothpastes contain around 1450ppm of fluoride, whereas mouthwash only contains about 450ppm, which isn’t enough to fight plaque.

Using an oral rinse immediately after brushing can rinse away some of the fluoride toothpaste. If you simply can’t break the habit, then gargle and spit without swilling the liquid all around your teeth.

You should also avoid rinsing with water after brushing; simply spit out the excess toothpaste and let the fluoride do its job of protecting your smile. Wait at least 30 minutes after brushing to drink water.

See Your Caputo Dentist About When to Use Mouthwash

Mouthwash can enhance your oral hygiene regimen. It can remove plaque and reduce your risk of cavities and gum disease and freshen your breath. Your dentist can help you decide which mouthwash to use and when to use it based on your oral health.

For a healthy smile, ensure you eat a well-balanced diet, avoid frequent snacking, drink fluoridated water, limit sugary foods and beverages, change your toothbrush every three months and visit your dentist twice a year for checkups.

To schedule your appointment, contact Caputo Dental and begin your journey to a healthy smile.

Does Mouthwash After Brushing Wash Away Fluoride? - Caputo Dental (2024)

FAQs

Does Mouthwash After Brushing Wash Away Fluoride? - Caputo Dental? ›

Some dentists recommend avoiding using mouthwash immediately after brushing. Most fluoride toothpastes contain around 1450ppm of fluoride, whereas mouthwash only contains about 450ppm, which isn't enough to fight plaque. Using an oral rinse immediately after brushing can rinse away some of the fluoride toothpaste.

Does mouthwash remove fluoride after brushing? ›

Using a mouthwash that contains fluoride can help prevent tooth decay, but don't use mouthwash (even a fluoride one) straight after brushing your teeth or it'll wash away the concentrated fluoride in the toothpaste left on your teeth. Choose a different time to use mouthwash, such as after lunch.

How long after fluoride can I rinse my mouth? ›

You will be asked to do your best to not rinse, eat or drink anything for only 30 minutes. This is all the time the fluoride needs to absorb and repair. After that you might want to avoid hot or cold liquids or foods and then not to brush or floss for six hours. Give that fluoride a chance.

How long should I wait after brushing my teeth to use mouthwash? ›

You can use mouthwash prior to brushing to remove any food debris and plaque build-up in your mouth to set yourself up for a good cleaning. One important thing to note is that if you're using fluoride toothpaste, don't use mouthwash for at least 30 minutes after brushing!

Does rinsing with water remove fluoride? ›

Rinsing your mouth can prematurely wash out the fluoride that is working on your teeth. By spitting out toothpaste then not rinsing it out with water, the fluoride in the toothpaste will remain in the mouth and continue to be effective.

Is it better to use mouthwash before or after brushing teeth? ›

Similarly, if you're wondering whether to use mouthwash before or after brushing, there is a general consensus that using it after brushing is more effective for your oral health. Anti-microbial properties of oral rinses can be diminished if you brush your teeth right after.

Why avoid fluoride in mouthwash? ›

The benefits of using dental fluoride include stronger enamel and better protection against tooth decay. But large amounts of fluoride can be toxic. It can also result in fluoride-induced tooth discoloration (fluorosis).

How to get fluoride off teeth after dentist? ›

However, you can brush your teeth after 6 or so hours after your treatment. After the 6 hours since your treatment, thoroughly brush your teeth. This will help get rid of any excess fluoride that your teeth have not absorbed.

Can I leave fluoride on my teeth overnight? ›

In some cases, it can be from 4-6 hours; in others, our dentist may recommend leaving it on overnight. If you are instructed to leave the varnish on overnight, do not brush or floss your child's teeth that night, as that will cause the varnish to come off.

Should I wash mouth after leaving fluoride for 10 minutes? ›

After application, the dentist requires that the fluoride stays in your teeth for about 30 minutes before you do anything to remove it. This time allows your teeth enamels to absorb as much mineral content as possible.

Why should you not use mouthwash straight after brushing your teeth? ›

Her comments are in line with NHS guidance, which advises: “Using a mouthwash that contains fluoride can help prevent tooth decay, but don't use mouthwash (even a fluoride one) straight after brushing your teeth or it'll wash away the concentrated fluoride in the toothpaste left on your teeth.”

Should you floss or brush first? ›

While it may be surprising, a study has found that flossing first followed by brushing with a fluoride toothpaste is more effective in removing interdental plaque than brushing first, flossing second. In addition, flossing before brushing results in greater fluoride retention between teeth.

Do dentists recommend mouthwash? ›

While not a replacement for daily brushing and flossing, use of mouthrinse (also called mouthwash) may be a helpful addition to the daily oral hygiene routine for some people. Like interdental cleaners, mouthrinse offers the benefit of reaching areas not easily accessed by a toothbrush.

What are the rules for fluoride rinse? ›

Adults and children 6 years & older:
  • Use once a day after brushing your teeth with a toothpaste.
  • Vigorously swish 10 mL (2 teaspoonfuls) of rinse between your teeth for 1 minute and then spit out.
  • Do not swallow the rinse.
  • Do not eat or drink for 30 minutes after rinsing.

Why wait 30 minutes after mouthwash? ›

Drinking water right after using mouthwash, especially one that contains fluoride, is not recommended. As mentioned, it's advisable to wait at least 30 minutes to allow the fluoride to work on your teeth effectively. Water can dilute the concentration of fluoride on your teeth, potentially reducing its benefits.

How long does fluoride toothpaste stay on teeth after brushing? ›

Leave the fluoride on your teeth as you go about your day, and try to avoid eating or drinking for 10 minutes or more after brushing is done. There isn't a lot of up-to-date research on how long, exactly, to leave the toothpaste on your teeth.

What are the disadvantages of using mouthwash? ›

Regular or excessive use of alcohol-based mouthwashes can dry out your mouth, which can lead to tooth sensitivity, bad breath, and even cavities. It can mask potential oral health issues. If you suffer from chronic halitosis (aka bad breath), you may be able to mask it with regular mouthwash use.

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