Fracture Resistance of Premolars Restored by Various Types and Placement Techniques of Resin Composites
Table 2
deviation, minimum, and maximum in Newton for experimental groups.
Group
n
Description of group
Means ± SD
Minimum
Maximum
dt
1
10
Filtek P60/bulk
754.14 (311.46)
210.11
1292.06
a
2
10
Filtek P60/centripetal
803.71 (248.20)
416.61
1196.99
a
3
10
Filtek P60/fiber insert
1498.61 (370.87)
1097.46
2122.10
b
4
10
Nulite F/bulk
682.90 (157.01)
447.74
935.14
a
5
10
Nulite F/centripetal
954.73 (281.21)
496.65
1312.15
a
6
10
Nulite F/fiber insert
1517.34 (530.89)
1055.06
2481.45
b
SD: standard deviation. Dt: Duncan's multiple range test for the different groups. Means with the same letter within each column are not significantly different at .