Table 12:
Plaque Index (PI) based on Silness and Löe according to RPD design.
RPD design
Sillnes / LÖe Index
Total
P-value
0
1
2
3
N
%
N
%
N
%
N
%
N
%
Clasps
17
68.0
46
85.2
10
100.0
2
100.0
75
82.4
U’=14.0
P=0.114
Attachments
8
32.0
8
14.8
-
-
-
-
16
17.6
Total
25
100.0
54
100.0
10
100.0
2
100.0
91
100.0