From: Dental health of preschool children after two-years of a supervised tooth brushing program in Southern Israel
N
PP
d
m
f
dmft
participant
145
62
1.99
0.15
0.86
3.00
non-participant
138
72
2.84
0.09
0.60
3.53
p < 0.001
p < 0.003
NS