Root resorption

- This is when the roots of the teeth are resorbed by the body and become shorter or narrower
- Root resorption often occurs spontaneously for unknown reasons
- Upper lateral incisor roots are often resorbed by the follicle of the erupting permanent canines if there is insufficient space
- Root resorption often occurs
- Thin and curved root tips sometimes become shorter during treatment but this is very rarely a problem