Table 1 Modified FDI criteria
Category | Sub-categories | Grading |
|---|---|---|
a) Functional properties | 1. Marginal adaptation | A. Clinically excellent B. Clinically good C. Borderline quality/acceptance, repair necessary/possible D. Clinically unsatisfactory (replacement necessary) |
2. Wear | ||
3. Proximal anatomical form (contact point/food impact) | ||
4. Radiographic examination | ||
5. Patient’s view | ||
b) Biological properties | 1. Recurrence of caries, erosion, abfraction | |
2. Tooth integrity | ||
3. Periodontal response | ||
4. Adjacent mucosa | ||
5. Oral and general health | ||
c) Esthetic properties | 1. Surface luster | |
2. Staining | ||
 a. Surface | ||
 b. Margin | ||
3. Color match and translucency | ||
4. Esthetic anatomical form | ||
5. Fracture of material and retention |