Limitations of Flossing: Overhanged fillings and crowns margins Concave root surfaces:
- Stretched floss can only apply to flat
or convex not concave surfaces
Limitations of Brushing: Brush bristles cannot:
- Get in between teeth
- Get under the overhanged fillings and crown margins Limitations of Brush user: - Cannot tell when teeth are clean
- Over brushing may cause tooth abrasion
