How Often Should You Replace Your Toothbrush?
Every 3 months or when bristles splay. Here's why.
Dr. Michael Stevens
Periodontist
Overview
Worn brush doesn't clean well.
Key points
- Bristles lose effectiveness after 3 months
- Splayed bristles miss areas
- Electric brush heads same timing
- After illness, replace immediately
What to do
Calendar reminder. Keep spare head ready.
References
- American Dental Association
- Peer-reviewed dental journals
Tags
Referenced sources
- American Dental Association
- NHS Oral Health
Medical disclaimer. This article is informational and does not replace professional clinical advice. For a plan specific to your situation, book a consultation with a Paradise Dental specialist.
Related reading
Is an Electric Toothbrush Really Better?
Yes — 20–30% more plaque removal in studies. Worth switching.
Can Teeth Realign Themselves Naturally?
No — teeth shift one way (often crowded) without intervention. Realignment needs orthodontics.
How Often Should You Brush Your Teeth?
Twice daily is the proven standard. Here's the detail.