Surface Baseline 3 month 6 month
Mesial
M (SD)		 1.3 (0.48) 2.7 (0.48) 2.8 (0.63)
Distal
M (SD)		 1.4 (0.51) 2.5 (0.52) 2.4 (0.69)

M (SD) = mean (standard deviation).
Statistically significant (P < 0.05, non-parametric Wilcoxon paired test) papilla index score changes