Progress in Orthodontics

Table 2 Pairwise comparison of microbial contamination between the groups

From: In vitro evaluation of microbial contamination and the disinfecting efficacy of chlorhexidine on orthodontic brackets

Groups		P value
G1	G2	0.10
	G3	0.30
	G4	0.003^*
	G5	0.01^*
	G6	0.002^*
G2	G3	0.008^*
	G4	< 0.001^*
	G5	0.09
	G6	< 0.001^*
G3	G4	0.05^*
	G5	0.002^*
	G6	0.01^*
G4	G5	< 0.001^*
G4	G6	0.13
G5	G6	< 0.001^*

G1, American Orthodontics brackets; G2, 3M Unitek; G3, Ortho Organizers; G4, China Dental Orthodontic Brackets; G5, negative control; G6, positive control
^*Statistically significant at 95% confidence interval

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