| RPD design | Periodontal probing depth | Total | P-value | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 =<2mm | 1 =2-3mm | 2 =3-4.9mm | 3=5+mm | ||||||||
| N | % | N | % | N | % | N | % | N | % | ||
| Clasps | 33 | 44.0 | 26 | 34.7 | 15 | 20.0 | 1 | 1.3 | 75 | 100.0 | U’=13.0 P=0.200 |
| Attachments | 8 | 50.0 | 5 | 31.3 | 3 | 18.8 | - | - | 16 | 100.0 | |
| Total | 41 | 45.1 | 31 | 34.1 | 18 | 19.8 | 1 | 1.1 | 91 | 100.0 | |