GROUP (P) | GROUP (Q) | MEAN DIFF(P-Q) | SIG (p VALUE) |
Group IB (Control) |
Group IIB Group IIIB Group IVB |
5.943 4.642 1.477 |
.000 .000 .131 |
Group II (Bleaching w/o antioxidant) | Group IB Group IIIB Group IVB |
-5.943 -1.301 -4.466 |
.000 .025 .000 |
Group III (Bleaching with Na ascorbate) | Group IB Group IIB Group IVB |
-4.642 1.301 -3.165 |
.000 .025 .000 |
Group IV(Bleaching with GSE) | Group IB Group IIB Group IIIB |
-1.477 4.466 3.165 |
.131 .000 .000 |