Table 1.
The description of the criteria used to record the clinical parameters
| Criteria | Score | Description |
|---|---|---|
| Gingival Health | Alpha | No gingival bleeding |
| Bravo | Bleeding with probe | |
| Charlie | Spontaneous bleeding | |
| Plaque index* | 0 | No plaque |
| 1 | A film of plaque adhering to the free gingival margin cannot be seen with the naked eye. But only by using disclosing solution or by using probe | |
| 2 | Moderate accumulation of deposits within the gingival pocket, on the gingival margin and/ or adjacent tooth surface, seen by naked eye | |
| 3 | Abundance of soft matter within the gingival pocket and/or on the tooth and gingival margin | |
| Secondary caries** | Alpha | No caries present |
| Charlie | Caries present | |
| Restoration failure** | Alpha | Crown appears normal, no cracks, chips, or fracture |
| Bravo | Small but noticeable area of loss of material | |
| Charlie | Large loss of crown material | |
| Delta | Complete loss of crown | |
| Proximal contact** | Alpha | Resistance met when passing floss |
| Bravo | Floss passed without resistance but contact present | |
| Charlie | No contact with adjacent tooth | |
| Marginal integrity** | Alpha | Close marginal adaptation |
| Bravo | No detectable margin | |
| Charlie | Detectable margin | |
| Occlusion** | Alpha | Normal occlusion |
| Charlie | Faulty occlusion | |
| Alpha | Normal occlusion | |
| Tooth wear of opposing | ||
| Teeth*** | 0 | No loss of enamel surface characteristics, no loss of contour |
| 1 | Loss of enamel surface characteristics, minimal loss of contour | |
| 2 | Loss of enamel exposing dentine for less than one third of surface, loss of enamel just exposing dentin, defect less than 1 mm deep | |
| 3 | Loss of enamel exposing dentin for more than one third of surface, loss of enamel and substantial loss of dentin, defect less than 1–2 mm deep | |
| 4 | Complete enamel loss, pulp exposure, secondary dentin exposure, pulp exposure or exposure of secondary dentin, defect more than 2 mm deep, pulp exposure, secondary dentin exposure |
*Silness and Löe criteria (Loe, H., 1967)
**US Public Health Service “USPHS”, Alpha criteria rating system (Ryge, 1980)
***Smith and Knight Tooth Wear Index (Bardsley, 2008; Smith and Knight, 1984)