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Fuzzy PROMETHEE ranking results.
| Complete ranking | Dental device | Rank | ||
|---|---|---|---|---|
| Φ | Φ + | Φ − | ||
| 1 | Dental mirror | 0.0076 | 0.0079 | 0.0003 |
| 2 | Dental suction | 0.0056 | 0.0063 | 0.0007 |
| 3 | Dental air abrasion | 0.0039 | 0.0054 | 0.0016 |
| 4 | Dental handpiece | -0.0003 | 0.0034 | 0.0037 |
| 5 | Dental laser | -0.0056 | 0.0007 | 0.0063 |
| 6 | Dental X-ray | -0.0111 | 0.0007 | 0.0118 |
