| Debris Index: | |
| 0 | If no debris is present |
| 1 | If soft debris is covering not more than one third of the tooth surface, or if extrinsic stains without other debris regardless of surface area covered is present |
| 2 | If soft debris is covering more than one third, but not more than two thirds, of the exposed tooth surface |
| 3 | If soft debris is covering more than two thirds of the exposed tooth surface |
| Calculus Index: | |
| 0 | If no calculus is present |
| 1 | If supragingival calculus is covering not more than one third of the exposed tooth surface |
| 2 | If supragingival calculus is covering more than one third but not more than two thirds of the exposed tooth surface or if individual flecks of subgingival calculus around the cervical portion of the tooth are present |
| 3 | If supragingival calculus is covering more than two third of the exposed tooth surface or a continuous heavy band of subgingival calculus around the cervical portion of the tooth is pres |