Table 2. Foreign Body Reaction to an Implant Adapted from EN ISO 10993-6 Annex E58.
score | |||||
---|---|---|---|---|---|
celltype/response | 0 | 1 | 2 | 3 | 4 |
foreign body reaction | |||||
macrophages | 0 | 1–40/hpfa | 40–80/hpfa | heavy infiltrate, 80–180/hpfa | packed, >180/hpfa |
foreign body giant cells | 0 | 1–2/hpfa | 3–5/hpfa | 5–10/hpfa | sheets, >10/hpfa |
Abbreviations: high-power (400×) field.