Interdental Brushes
A Simple Tool for Cleaning Between Your Teeth
What Are Interdental Brushes?
Interdental brushes are small, cone-shaped or cylindrical brushes designed to clean the spaces between teeth where a regular toothbrush cannot reach.
They are especially useful for removing dental plaque and food particles from larger spaces between teeth and around certain dental restorations.
Interdental brushes are an effective addition to daily oral hygiene but do not replace regular toothbrushing.
Why Is Cleaning Between the Teeth Important?
Even if you brush carefully twice a day, your toothbrush cannot effectively clean every surface of your teeth.
Plaque commonly accumulates:
-
Between teeth
-
Around the gumline
-
Around dental implants
-
Under bridges
-
Around orthodontic appliances
If plaque is not removed regularly, it may contribute to:
-
Cavities
-
Gum disease
-
Bad breath
-
Tartar (calculus) buildup
Cleaning between the teeth every day is an important part of preventive oral care.
Who Can Benefit from Interdental Brushes?
Interdental brushes may be especially helpful for people who have:
-
Larger spaces between teeth
-
Gum recession
-
Gum disease
-
Dental implants
-
Bridges
-
Braces
-
Crowns
-
Fixed retainers
Your dentist can recommend the most appropriate size for your individual needs.
How Do Interdental Brushes Work?
The small bristles gently clean the sides of adjacent teeth while removing plaque and food debris from between them.
Unlike regular toothbrushes, interdental brushes are specifically designed to reach areas that are otherwise difficult to clean.
Choosing the Right Size
Interdental brushes are available in several sizes.
The brush should:
-
Fit comfortably between the teeth
-
Fill the space without force
-
Move easily back and forth
A brush that is too large may damage the gums, while one that is too small may not clean effectively.
Some people require different brush sizes for different areas of the mouth.
How to Use an Interdental Brush
Step 1: Choose the Correct Size
Use the size recommended by your dentist or dental hygienist.
Step 2: Insert the Brush Gently
Carefully place the brush between two teeth.
Do not force it into a space that is too small.
Step 3: Move the Brush Back and Forth
Use gentle back-and-forth movements several times to remove plaque and food particles.
Avoid twisting or excessive pressure.
Step 4: Repeat Throughout the Mouth
Clean all spaces where the brush fits comfortably.
Step 5: Rinse the Brush
After use:
-
Rinse the brush thoroughly with water.
-
Allow it to air dry.
-
Replace it when the bristles become worn or bent.
Are Interdental Brushes Better Than Dental Floss?
It depends on the individual.
Dental floss is often the best choice for people with tight contact points between healthy teeth.
Interdental brushes may be more effective when:
-
Spaces between teeth are larger.
-
Gum recession is present.
-
Braces or dental implants make flossing difficult.
Many people benefit from using whichever tool best fits their oral health needs.
Can They Be Used Around Dental Implants?
Yes.
Interdental brushes are commonly recommended for cleaning around:
-
Dental implants
-
Implant-supported bridges
-
Fixed dental prostheses
Using implant-safe brushes recommended by your dentist helps protect the surrounding tissues.
Can Children Use Interdental Brushes?
Children wearing braces may benefit from interdental brushes because they help clean around brackets and wires.
Parents should supervise younger children until they can use the brushes safely and effectively.
When Should You Replace an Interdental Brush?
Replace the brush when:
-
Bristles become bent
-
Bristles become worn
-
The wire becomes damaged
-
The brush no longer cleans effectively
Most brushes last several days to a few weeks, depending on frequency of use.
Common Mistakes
Avoid:
-
Using excessive force
-
Using a brush that is too large
-
Skipping areas with gum recession
-
Reusing worn-out brushes for long periods
Gentle, consistent cleaning is more effective than aggressive brushing.
Common Myths
"Interdental brushes are only for older adults."
False.
People of all ages may benefit, particularly those with braces, implants, or larger spaces between teeth.
"If I use an interdental brush, I don't need to brush my teeth."
False.
Interdental brushes clean between the teeth but do not replace regular toothbrushing.
"One brush size fits everyone."
False.
Different areas of the mouth may require different brush sizes for effective cleaning.
Key Takeaways
✔ Interdental brushes clean areas between the teeth that a toothbrush cannot reach.
✔ They are especially useful for people with braces, implants, bridges, gum recession, or larger spaces between teeth.
✔ Choosing the correct brush size is important for safe and effective cleaning.
✔ Interdental brushes complement—but do not replace—daily toothbrushing.
✔ Cleaning between the teeth every day helps reduce the risk of cavities and gum disease.
✔ Your dentist or dental hygienist can recommend the best interdental cleaning tools for your individual needs.
References
-
American Dental Association. Cleaning Between Your Teeth. https://www.ada.org
-
American Academy of Periodontology. Interdental Cleaning. https://www.perio.org
-
National Institute of Dental and Craniofacial Research. Oral Hygiene. https://www.nidcr.nih.gov
-
Academy of General Dentistry. Interdental Cleaning Devices. https://www.agd.org
-
World Health Organization. Oral Health. https://www.who.int/health-topics/oral-health