Should You Mix Water with Toothpaste When Brushing?
Posted on 8/1/2025 by Mukilteo Smiles Office
We all know the importance of brushing our teeth twice a day. But there are so many different opinions on how to brush properly, it's easy to get confused. One question that often comes up is whether or not you should mix water with your toothpaste.
There's no single answer that's right for everyone. It depends on a few factors, including your individual needs and the type of toothpaste you're using. Let's explore both sides of the debate:
Reasons to Mix Water with Toothpaste
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Reduces abrasiveness: Some toothpastes, especially those with whitening agents, can be quite abrasive. Mixing them with water dilutes the concentration and reduces the friction against your teeth. This can be helpful for people with sensitive teeth or gums.
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Creates a lather: Adding water helps create a rich lather, which can make brushing more enjoyable and effective. The lather helps distribute the toothpaste evenly across your teeth and gums.
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Promotes fluoride absorption: Fluoride is an essential mineral that strengthens tooth enamel and helps prevent cavities. Mixing water with your toothpaste can help your teeth absorb more fluoride.
Reasons Not to Mix Water with Toothpaste
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Dilutes the effectiveness: Adding water can dilute the concentration of active ingredients in your toothpaste, such as fluoride and antibacterial agents. This can make the toothpaste less effective in fighting cavities and plaque.
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Reduces the cleaning power: The friction created by the toothpaste is essential for removing plaque and food particles from your teeth. Adding water can make the toothpaste less effective at cleaning your teeth.
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Increases the risk of swallowing: Mixing water with your toothpaste can make it more likely that you will accidentally swallow some of it. This is especially important to consider for young children, who may not be able to spit out toothpaste properly.
So, what's the verdict?
Ultimately, the decision of whether or not to mix water with toothpaste is a personal one. If you have sensitive teeth, or if you prefer the feeling of a lather, then adding water might be beneficial. However, if you are concerned about maximizing the effectiveness of your toothpaste, it's best to use it without water.
Additional Tips for Effective Brushing:
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Use a soft-bristled toothbrush and replace it every 3 months.
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Brush for at least two minutes, twice a day.
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Use a fluoride toothpaste approved by the American Dental Association (ADA).
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Don't forget to brush your tongue and the roof of your mouth.
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Floss daily to remove plaque and food particles between your teeth.
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See your dentist for regular checkups and cleanings.
By following these simple tips, you can keep your mouth healthy and your smile bright!
We all know the importance of brushing our teeth twice a day. But there are so many different opinions on how to brush properly, it's easy to get confused. One question that often comes up is whether or not you should mix water with your toothpaste.