How to Clean and Reuse TePe Interdental Brushes Safely
By Oral Health Care &lnterdental Brush- | Published: 2026-10-16
Category: Tips & Care
Learn how to clean, sanitize, and safely reuse TePe interdental brushes. Step-by-step routine to extend brush life and maintain oral hygiene.
Quick answer
Rinse your TePe interdental brush under warm running water immediately after each use to remove plaque and debris. For deeper cleaning, soak the brush head in an antibacterial mouthwash or a diluted hydrogen peroxide solution for a few minutes once a week. Replace the brush when bristles become bent or worn, typically every one to two weeks with daily use.
Why proper cleaning matters for reuse
Interdental brushes remove plaque from between teeth, but they can harbor bacteria if not cleaned properly. Reusing a dirty brush can reintroduce bacteria into gum pockets and may increase the risk of inflammation. Cleaning after every use and sanitizing regularly keeps the brush hygienic and extends its usable life.
Daily cleaning routine
After each use, hold the brush under warm running water and gently rub the bristles with your fingers to dislodge debris. If you prefer, you can use a small amount of mild liquid soap, but avoid abrasive cleaners that can damage the bristles. Shake off excess water and store the brush upright in a clean, dry place.
Weekly sanitizing options
Once a week, sanitize your interdental brush to reduce bacterial load. You can soak the brush head in an antibacterial mouthwash for 2–3 minutes, or use a solution of one part hydrogen peroxide to two parts water. Do not boil the brush or put it in a dishwasher, as heat can warp the plastic and bristles.
When to replace your brush
Even with proper cleaning, interdental brushes wear out. Replace the brush when the bristles look flattened, bent, or discolored, or if the wire core becomes kinked. Most people need a new brush every one to two weeks. If you have braces or tight contacts, you may need to replace it more often.
Step-by-step cleaning and reuse routine
- Rinse immediately after use: Hold the brush under warm running water and rub the bristles gently with your thumb to remove plaque and food particles. Do this every time you brush. Mistake to avoid: letting debris dry on the bristles, which makes it harder to clean later.
- Wash with mild soap if needed: Once a day, if you prefer, add a drop of mild liquid soap to the bristles and work it in with your fingers, then rinse thoroughly. Avoid harsh chemicals or abrasive cleaners. Checkpoint: the bristles should look clean and separated, not matted.
- Sanitize weekly: Soak the brush head in antibacterial mouthwash for 2–3 minutes or in a diluted hydrogen peroxide solution (1 part peroxide to 2 parts water). Rinse well before next use. Mistake to avoid: soaking for hours or using boiling water, which can damage the brush.
- Store upright to air-dry: After cleaning, shake off excess water and place the brush upright in a clean cup or holder. Ensure it has space to air-dry completely. Checkpoint: a damp brush stored in a closed container grows bacteria faster.
- Inspect and replace regularly: Check the bristles weekly for wear. Replace the brush when bristles are bent, flattened, or discolored, or if the wire core is kinked. With daily use, most last 1–2 weeks. Mistake to avoid: using a worn brush that no longer cleans effectively and may scratch gums.
TePe brushes for your routine
- TePe® Interdental Brushes Original Yellow - 0.7 mm (ISO 4): TePe® Interdental Brushes Original Yellow - 0.7 mm (ISO 4) feature a straight brush head and short handle, available in 9 color-coded sizes. The short handle gives precise control for front teeth, and the color-coding helps you remember your size when reordering.
- TePe Angle™ Interdental Brushes Yellow - 0.7 mm (ISO 4): TePe AngleTM Interdental Brushes Yellow - 0.7 mm (ISO 4) have a long handle and angled head for easier access between back teeth. The angled design lets you reach molars without opening wide, making cleaning less awkward and more thorough.
- TePe® Original Interdental Brushes Mixed Pack - 0.4 to1.3 mm: TePe® Original Interdental Brushes Mixed Pack - 0.4 to 1.3 mm includes multiple sizes for different gaps. A mixed pack lets you test sizes to find your best fit, which reduces the chance of using a brush that's too small to clean effectively or too large to fit comfortably.
