Table 7: Marginal bone loss data.

Baseline to 12 months
Mean (mm)
S.D.
n
Range (mm)
-0.52
0.41
143
-1.56 – 0.48
Distribution  n %
+0.5 mm  6 4.2
0 mm  25 17.5
-0.5 mm  72 50.3
-1.0 mm  35 24.5
-1.5 mm  5 3.5