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Definitions of grading scores for damage and wear of the tibial post
| Score | Damage* | Wear |
|---|---|---|
| 0 | 0% of face of post | No visible removal of material |
| 1 | < 10% | Minimal removal of material |
| 2 | 10% to 50% | Measurable removal of material |
| 3 | > 50% | Severe removal of material |
*As defined by the method of Hood et al. [6].
