Interdental brush

Top & Best Interdental brush Review 2022 – How to Select Ultimate Buyer’s Guide

Interdental brush: What’s the best of 2022?

If you use a fixed appliance, have prostheses or are looking for a tool that will further improve your oral hygiene In today’s article, we will deal with the interdental brush.

Ideal for cleaning narrow cavities and ensuring complete removal of food and bacteria, the interdental brush is an item that can and should be used by everyone. Next, we’ll show you how it works and what the best brands are.

First, the most important

  • The interdental brush is indicated for cleaning and removing food debris that gets stuck between the teeth.
  • It must be used in conjunction with the toothbrush and dental floss.
  • To make sure you are buying the best interdental brush, you need to consider the shape, thickness and softness.

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Buying Guide

Although it may seem like a novelty, the interdental brush is increasingly part of the oral hygiene routine. To answer all your questions about this item, we created this Buying Guide.

Next, you will find out how the interdental brush works, who should have one and how to ensure its correct use.


What is an interdental brush?

Toothbrush, toothpaste and dental floss are essential items to keep oral health up to date. But there are people who need to redouble their dental health care and, for that, it is necessary to use specific items, such as the interdental brush.

The interdental brush is a small brush made to clean plaque, food debris and bacteria that accumulate between teeth.

With this, the interdental brush acts to prevent inflammation of the gums and the formation of cavities, among other problems.



In general, the interdental brush has a long, ergonomic handle and a metallic filament, forming a sharp tip that is surrounded by bristles.

With this, it is possible to brush the narrower and less accessible regions of the dental arch, ensuring a more efficient cleaning than would occur if you used only the traditional toothbrush.

What are the benefits of using the interdental brush?

The interdental brush enhances the work of the traditional toothbrush. This is because, the interdental brush reaches more difficult points when brushing, removing food debris and bacteria.

In other words, the interdental brush acts as an auxiliary to the traditional brush, improving cleaning and oral hygiene.

So much so that the interdental brush is ideal for cleaning the spaces between teeth and gums, places that, without frequent and correct cleaning, can accumulate dirt and create bacterial plaque.

By using the interdental brush you will be free from diseases such as caries, gingivitis, periodontitis and even bad breath.

But one of the disadvantages of the interdental brush is that, in general, this is usually a high-priced item.

In addition, depending on the brand, it is also possible that the interdental brush is of low durability.

Often, you will find testimonials from users who complain that some models bend easily.

To summarize the pros and cons of the interdental brush, we have prepared the following table.


  • Improves oral hygiene
  • Removes food debris and bacteria from tooth cavities and gums
  • Prevents oral problems and dental diseases


  • High Price
  • Durability can be low
  • Can bend

What is the difference between interdental brush, toothbrush and dental floss?

The traditional toothbrush is designed to clean the surface of the teeth. But, because of their anatomy, the bristles of the orthodontic brush do not reach the most hidden and narrow spaces.

As for the interdental brush, as we have seen, it has a shape that was thought precisely to reach these places, being possible to insert it between one tooth and another to perform a more complete cleaning.

But if the interdental brush cleans the space between the teeth, then it is correct to think that it can replace dental floss, right? Wrong.


In fact, the interdental brush should be used in conjunction with the toothbrush and dental floss.

This is because, as the shape and anatomy of the teeth are irregular, and vary according to the person, there are spaces in which the interdental brushes cannot enter to perform the necessary cleaning.

Therefore, even if you use an interdental brush it is also important to floss daily.

How to use the interdental brush?

To achieve the objective of deep cleaning it is necessary to use the interdental brush correctly. Therefore, it must be inserted and removed only once in each space between the teeth.

However, you should not make back and forth movements, as this can hurt and cause problems in your gums.

But to help you in this step, we list below other important tips on how to use the interdental brush correctly. Look:

    • Insert the interdental brush into the space between two teeth, at a 45 degree angle ;
    • In the upper teeth , the tip of the brush should be pointed upwards and in the lower ones downwards;
    • The movement should be smooth so as not to cause injury to the gums.


Experts also recommend that you use the interdental brush at least once a day, and preferably at night, before bed.

Is the interdental brush disposable?

A traditional toothbrush needs to be changed every three months or even earlier, depending on your oral health condition or even if you consider colds and flu. The same occurs with the interdental brush.

In addition, the service life of the interdental brush will also vary according to the force you put when using it and the frequency of brushing.


The interdental brush needs to be changed, generally, every 3 days.

But in general, experts warn that the interdental brush needs to be changed, generally, every 3 days.

When in doubt, the important thing is to ensure that the bristles are in good condition and with their original shape.

If the bristles are too open, it is a sign that it is time to change to a new one.

Interdental brush: Who is it for?

The interdental brush is usually more suitable for people who use orthodontic appliances, who have implants, crowns, fixed bridges or have larger spaces between teeth.

This is because, as we have seen, this brush facilitates cleaning between the teeth and any other difficult-to-reach location.

Even so, the interdental brush can and should be used by everyone, including those who are not undergoing orthodontic treatment.



In this case, it is necessary to clean the brackets, band and wire of the device with the interdental brush, after each meal.

What is the price of the interdental brush and where to buy?

The price of an interdental brush varies according to the manufacturer and the accessories that may or may not be included in the packaging, such as bristle refills.

So, in general, the interdental brush can cost between R $ 9 and R $ 50. To purchase this item, you can choose between pharmacies, department stores and supermarkets. But, when choosing online stores, such as Amazon, in addition to buying the interdental brush without leaving home, you still have access to international brands and more attractive prices.


Purchasing Criteria: How to evaluate the best interdental brush

The first step for those who want to start using an interdental brush is to have the guidance of a dentist. Only a dentist can accurately inform the best size, diameter, shape and softness of the ideal interdental brush for you.

Then, you can then go on to compare the models available for sale.

To help you with this step, we recommend that you take into account the following criteria that differentiate an interdental brush from another:

  • Types
  • Size and thickness
  • Softness
  • Extras and refills
  • Brands

Next, we will show you the best way to consider each of these aspects when buying the ideal interdental brush.


The first factor that you must take into account when choosing the best interdental brush is the type. In this regard you will find two options, which differ basically due to the format: The conical and the cylindrical ones.

Check below the main characteristics of the two types of interdental brushes:

  • Tapered : Tapered interdental brushes are indicated to clean fixed braces and larger spaces between teeth;
  • Cylindrical : This type of interdental brush is recommended for cleaning any space where the floss is getting loose.

Size and thickness

Next, we suggest that you also check the size of the interdental brush. In this case, we specifically deal with the diameter of the tips with the bristles.

After all, it is this part that will act in cleaning either the cavities between the teeth or the fixed appliance.

Generally, you will find models of interdental brushes whose diameter ranges from 0.4 mm to 1.3 mm. To make this choice right, the ideal is to follow your dentist’s guidance.


This is because the anatomy of the dental arch of each person needs to be analyzed individually so that the size of the interdental brush is chosen efficiently and prevents it from hurting the gums.

However, in general, people who have more separated teeth adapt better to an interdental brush with more bulky bristles, since very thin bristles will not be able to clean spaces properly.

On the other hand, if you have teeth close together, with little space between them, the interdental brush with thinner bristles will be ideal for reaching the narrowest spaces.


In addition to the thickness of the bristles, it is also important to check the softness of the bristles of your interdental brush.

In this case, it is almost unanimous the recommendation that, whenever possible, you should choose a model with soft bristles.

Extras and refills

Before buying your interdental brush be sure to also take into account some extra elements.

For example, some manufacturers offer protective covers, which also improve the grip.

In other cases, it is possible to buy the refill, that is, you only need to buy the brush handle once. With this, you purchase the refills as you need to change them. Please note that some packages offer up to 10 refills.


Another important aspect to be considered is the mark of the interdental brush. There are several quality interdental brushes on the market, both domestic and imported.

It values ​​brands that have expertise and tradition in the manufacture of oral hygiene items, among which we highlight Colgate, Bitufo, Oral-B, Dental Clean and Curaprox.


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