Effect of different preventive agents on bracket shear bond strength: in vitro study

BMC Oral Health

Table 3 Results from one-way ANOVA and the Tukey test comparing the SBS values between control and experimental groups

Time of acid-etching	Preventive agents				ANOVA
Time of acid-etching	Control	CPP–ACP MI paste (groups 3)	CPP–ACPF MI paste plus (groups 2)	5% NaF fluoraphat varnish (groups 3)	ANOVA
			Mean (standard deviation)
Before (groups a)	11.25 (4.27)^a,b*	13.37 (4.79)^a,b,c	11.05 (4.85)^a,b	8.86 (4.35)^a	0.000
After (groups b)		15.65 (5.87)^b,c	16.35 (3.81)^c	12.56 (3.74)^a,b,c

^*Tukey test: Different letters indicate significant differences (P < 0.05), CPP-ACP: casein phosphopeptide–amorphous-calcium-phosphate, CPP–ACPF: fluoride-containing CPP–ACP, NaF: Sodium fluoride.

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