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If you’re here, it’s because your gums bleed when you use an interdental brush. Bleeding when using an interdental brush is common, especially when you first start using one, and it shouldn’t make you give up on this tool. It’s perfectly possible to experience very slight bleeding when using interdental brushes. This is not unusual. Above all, don’t stop using them despite tooth sensitivity or bleeding. On the contrary, these symptoms are caused by inflammation due to the presence of plaque.
Here’s a guide to help you learn more about gum bleeding when using interdental brushes.
key takeaways
- Bleeding when using an interdental brush is most often a sign of gums inflamed by plaque, not an injury: keep using it gently rather than stopping.
- When you first start using it, bleeding generally decreases within one to two weeks if you use it daily and correctly.
- Using an interdental brush of the right size and a gentle technique without forcing it can significantly reduce gum bleeding.
- Heavy, painful bleeding or bleeding that lasts longer than two to three weeks warrants a visit to the dentist.
What is gum bleeding?
Bleeding gums are an oral health problem that indicates your gums aren’t getting the care they need to stay healthy. It’s important to understand the reasons behind it and take all the necessary steps to prevent it from progressing to a more advanced form of gum disease: gingivitis, which can develop into periodontitis and lead to teeth becoming loose.
Why do gums bleed when using an interdental brush?
Gums bleed when using an interdental brush mainly because they have already been weakened by plaque buildup between the teeth. The brush doesn’t cause the problem: it reveals it.
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This bleeding most often indicates early gingivitis, or gum inflammation. The more inflamed the gums are, the more likely they are to bleed at the slightest touch. They then start to calm down as the plaque disappears.
Three main causes can explain bleeding when using an interdental brush. Here they are, summarized before we go into detail.
Using too much pressure
Forcing the brush in or choosing one that is too large irritates the gums and causes avoidable mechanical bleeding.
Excess plaque
At first, plaque-inflamed gums may bleed: this is temporary and improves with continued daily use.
A tool that isn't right for your needs
On healthy gums and in tight spaces, an interdental brush may not be needed: dental floss may sometimes be more suitable.
The main reasons for bleeding when using an interdental brush
Reason 1: Incorrect use of the interdental brush
It is important to follow the instructions for using the interdental brush:
- Use the brush every day after brushing your teeth, taking care to be gentle so as not to damage your gums.
- It is important to insert the brush into the spaces between your teeth only after you have finished brushing and rinsed your mouth.
- You can then move the brush back and forth so it rubs against the entire space, then gently remove it.
- Remember to rinse it thoroughly with water after use and put the protective cap back on the brush.
- Replace it every seven to ten days, or more often if the bristles are significantly worn.
Reason 2: Too much plaque on your gums
If you are cleaning between your teeth for the first time, your gums may be particularly sensitive and bleed a little. This is because you have just removed some of the plaque lodged between your teeth. However, if you continue using the interdental brush, the bleeding will decrease as your gums become healthier.
Reason 3: Using an interdental brush is not recommended in your case
- According to health professionals, using an interdental brush is not recommended if you don't have a specific problem.
- You should not use an interdental brush if your gums are healthy and you are young.
- You can use dental floss instead.
L’utilisation de la brossette interdentaire est recommandée dans le cas ou vous avez eu une parodontite, une perte de la hauteur osseuse dans les espaces entre les dents, C’est uniquement dans ces cas- là que la brossette interdentaire est la plus efficace.
How long does bleeding with an interdental brush last?
Bleeding with an interdental brush is almost always temporary when starting a new routine. Over time, the gums become firmer and bleed less and less.
In practice, bleeding decreases significantly after one to two weeks of daily use, then disappears once plaque-related inflammation is under control. Consistency matters more than intensity: it’s better to use the brush gently every day than vigorously from time to time.
If, on the other hand, the bleeding gets worse or continues for more than two to three weeks, that’s a sign that you should reconsider the brush size or your technique, or consult a dentist.
How do you choose the right size of interdental brush?
The size of the interdental brush is the number one factor in bleeding when using one. A brush that is too wide presses against and injures the gums; one that is too small doesn’t clean properly and leaves plaque to sustain inflammation.
Interdental brushes come in several diameters, often identified by color codes that vary by manufacturer. L ideally, you should have several sizes, since the spaces between your front teeth and molars are not the same.
The right interdental brush should fit with slight resistance, but never be forced. If you’re unsure about the diameter, our guide to choosing and using your interdental brushes correctly explains the method, and your dentist can measure the spaces between your teeth.
Solutions if your gums bleed because of an interdental brush
If your gums bleed because of an interdental brush, you can follow a few simple steps to adjust your daily oral hygiene routine. This can help prevent the problem from getting worse. It’s important to follow all these steps every day as soon as possible, not just when your gums are bleeding.
Here are some solutions if your gums bleed because of an interdental brush:
- Brushing your teeth properly: You should brush your teeth with a specialized toothpaste at least twice a day, using a toothpaste designed for bleeding gums.(how to brush your teeth properly)
- Daily use of a specialized toothpaste: It helps fight plaque, the main cause of bleeding gums.
- Choosing a suitable toothbrush: It is important to choose a manual or electric toothbrush with a small head and soft, rounded bristles.
- L’utilisation d’un bain de bouche quotidien : Il faut opter pour un bain de bouche quotidien pour une bonne protection des gencives.
- Regular dental checkups: Your dentist can provide effective treatment for gum bleeding.
The right technique to reduce bleeding
A large proportion of gum bleeding goes away simply by correcting your technique. Use the interdental brush gently, without jerking or forcing it to rotate.
The idea is to guide the brush into the space, not push it in. There’s no need to irritate the gum to remove plaque.
Here’s the step-by-step method, to use once a day after brushing. For a full reminder of why this tool is useful, see our article about this very useful little brush for everyday use.
- Choose the right size. Pick an interdental brush that fits with slight resistance, without forcing it.
- Insert it straight and gently. Slide the brush horizontally into the space without bending it or pressing on the gum.
- Use short back-and-forth strokes. Two or three movements are enough to remove plaque across the entire surface.
- Rinse and move on to the next space. Rinse the interdental brush with water, then repeat for each space.
- Be consistent. Repeat every day: consistency helps stop the bleeding, not force.
Different mouthwashes to reduce gum bleeding
Mouthwashes sold in stores
- Meridol mouthwash for gum inflammation: It is sold for €4.90 on the Vitalya website. It is a daily treatment for sensitive teeth and gums that experience occasional bleeding. It helps fight the bacteria that cause plaque.
- Parogencyl mouthwash: It is sold for €4.20 on the SantéDiscount website. It helps protect the gums from cavities and also prevents gum problems. It therefore reduces occasional gum bleeding by helping remove plaque. It also provides good access to the spaces between the teeth.
Homemade mouthwashes
- Salted ginger mouthwash : You will need 120 ml of water, 15 g of salt and 15 g of grated ginger. The recipe is simple: Add the ginger to the water and bring to a boil. As soon as it starts boiling, add the salt. Stir and turn off the heat. Let it cool, then refrigerate for 15 minutes.
- Fresh mint mouthwash: you will need 230 ml of water and 5 fresh mint leaves. The recipe is simple: Pour the water into a teapot and place it on the stove. Once it comes to a boil, add the mint leaves to the water. Leave for 15 minutes to extract the mint juices.
Different toothpastes to reduce gum bleeding
Toothpastes sold in stores
- Zendium Professional toothpaste: It is sold for 3.84 on the Pharmacie des Drakkars website. It is made with lactoferrin, proteins and enzymes, and helps naturally reduce gum inflammation and bleeding. It provides real relief for people who suffer from gum problems.
- Y-Brush toothpaste in a tube: it is sold for 7.99 euros on the Y-Brush website. Its fluoride content of 1450 ppm helps strengthen tooth enamel, prevent cavities, fight dental plaque and combat the bacteria that cause bleeding gums. The ingredient that makes this possible is mainly hydrated silica, which is suitable for fragile and sensitive gums.
Try Y-Brush toothpaste in a tube, as it contains 99% ingredients of natural origin. It scored 93/100 on Yuka.
Homemade toothpastes
- Homemade toothpaste with Meudon white clay: You will need: 50 g of Meudon white clay, 30 g of white clay, 40 ml of water, 1 tablespoon of xylitol, 1 teaspoon of virgin coconut oil, 25 drops of Cosgard, 20 drops of essential oil of your choice. The recipe is simple: In a bowl, mix the clay, water and Meudon white clay. In another bowl, you can mix the xylitol, coconut oil and essential oils. Then pour the second mixture into the first to obtain a smooth paste. Next, add the drops of Cosgard and mix again. The toothpaste is ready; store it in a jar.
- Homemade chamomile toothpaste: 1 teaspoon green clay, 1 teaspoon white clay, 1 teaspoon chamomile flowers reduced to a powder, 1 teaspoon orris root powder, 6 cloves reduced to a powder. Put all the ingredients in your mortar and mix them well with the pestle to obtain a uniform powder. Store in a dry place in a tightly sealed jar.
Complement interdental brushing with efficient brushing
An interdental brush cleans between the teeth, but it does not replace brushing all tooth surfaces. Excess plaque is what sustains gum bleeding: the more thoroughly teeth are brushed, the less the gums become inflamed.
The Y-Brush sonic toothbrush cleans both jaws in ten seconds each, thanks to its Y shape and soft bristles, making it a gentle brushing action particularly suited to sensitive, bleeding gums. It is 2× more efficient than traditional electric toothbrushes, helping to reduce the plaque responsible for inflammation.
This result of being 2× more efficient than traditional electric toothbrushes was measured in tests conducted by Y-Brush on the Clean240 head; details are available in our clinical studies.
When should you seek advice about bleeding gums?
Most bleeding related to interdental brushing resolves on its own with a good routine. However, some signs should prompt you to seek advice without delay.
Bleeding that lasts more than two to three weeks, is heavy or painful, or is accompanied by receding gums, loose teeth, or persistent bad breath may indicate early-stage periodontitis.
In these situations, only a professional can make a diagnosis and recommend appropriate treatment. An interdental brush is still useful, but it does not replace dental care.
We hope this guide has helped you understand why your gums bleed when using an interdental brush. We also hope you now understand the solutions available to address this oral health problem. All the mouthwashes and toothpastes we offer can help relieve pain. However, regular dental checkups are essential.
