Table 1:
Results of intergroup comparison of shear bond strength (MPa) and maximum load registered (N) (independent t tests).
Variables
GROUP 1
MIM BASE BRACKETS
N=20
GROUP 2
WELDED BASE BRACKETS
N=20
P
Mean
s.d.
Mean
s.d.
Shear bond strength (MPa)
9.58
5.80
13.28
2.58
0.013*
Maximum load registered (N)
107.54
65.11
167.38
32.55
0.000*
* Statistically significant for P<0.05. s.d. – standard deviation MPa – MegaPascals N - Newtons