Restorative & Tooth Problems
Toothbrush abrasion
Tooth surface worn away by rubbing, often from hard brushing.
Cause
Hard brushing, rubbing
Sign
Notches at gum line
Feel
Often sensitive
Fix
Gentle brushing, bonding
Overview
Tooth abrasion is wear caused by physical rubbing rather than acid. The most common cause is brushing too hard or with a stiff brush, often along the gum line.
It can show up as notches near the gum where the tooth feels worn or sensitive. Gentler brushing helps stop it getting worse.
What to know
- Caused by rubbing, often from hard brushing
- Notches can form near the gum line
- Worn areas may become sensitive
- Use a soft brush and gentle pressure
- Worn notches can be repaired if needed
Common questions
What causes abrasion?
Most often brushing too hard or with a firm brush. Habits like chewing pens can also play a part.
How do I brush more gently?
Use a soft brush, light pressure and small circles. An electric brush can help control pressure.
Can the notches be filled?
Yes. Worn notches near the gum can be repaired with tooth-coloured filling material.
Will it keep getting worse?
Not if the cause is fixed. Changing how you brush usually stops further wear.
Related topics
Tooth wear
Gradual loss of tooth surface from grinding, acid or rubbing.
Tooth erosion
Tooth surface dissolved by acid from food, drinks or the stomach.
Sensitive teeth
Short, sharp tooth pain from cold, heat, sweet or touch.
Brushing technique
Brushing twice a day removes the plaque that causes decay and gum disease.
Abfraction lesions
A smooth, C-shaped notch at the gumline linked to heavy biting forces.
Dr Rick Iskandar · Reviewed June 2026