Bond Strength and Deflection of Four Types of Bonded Lingual Retainers

Table 5

Pairwise comparisons of the peak TBS values of the four groups.

Group (I)	Group (J)	Mean difference (I-J)	Std. error	value	95% confidence interval
					Lower bound	Upper bound
Three-strand	Bond-A-Braid	41.48	8.02	≤0.001	19.89	63.07
	Ortho Flex	61.01	8.02	≤0.001	39.42	82.60
	Retanium	53.98	8.02	≤0.001	32.39	75.57
Bond-A-Braid	Ortho Flex	19.53	8.02	0.09	−2.06	41.12
	Retanium	12.50	8.02	0.42	−9.09	34.09
Ortho Flex	Retanium	−7.03	8.02	0.82	28.62	14.56

The mean difference is significant at the 0.05 level.