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The classification of the transition for dehiscence and fenestration after treatment
| Transition degree | Definition | |
|---|---|---|
| d0 ≤ 2 mm | 1 | d1 ≤ 2 mm (maintain) |
| 2 | d1>2 mm (worsen) | |
| d0>2 mm | 1 | d1 ≤ 2 mm (cure) |
| 2 | 2<d1<d0 (improve) | |
| 3 | d1 = d0 (maintain) | |
| 4 | d1>d0 (worsen) | |
| f0 ≤ 2.2 mm | 1 | f1 ≤ 2.2 mm (maintain) |
| 2 | f1>2.2 mm (worsen) | |
| f0>2.2 mm | 1 | f1 ≤ 2.2 mm (cure) |
| 2 | 2.2<f1<f0 (improve) | |
| 3 | f1 = f0 (maintain) | |
| 4 | f1>f0 (worsen) | |
