. 2015 Sep 16;9(3):181–187. doi: 10.15171/joddd.2015.033

Table 2. Means and standard deviations (SD) of the repair bond strength values (in MPa) in the study groups .

Composite resin	Adhesive system	mean	SD	N
Methacrylated-based composite resin (Z250)	Adper Single Bond 2	19.18^a	9.11	26
	Clearfil SE Bond	10.48^b	8.95	26
	Silorane Adhesive	21.33^a	6.66	26
Silorane-based composite resin (Filtek ‏ Silorane)	Adper Single Bond 2	17.64^a	7.33	26
	Clearfil SE Bond	11.63^b	5.98	26
	Silorane Adhesive	19.78^a	8.57	26
a,b - There is no significant statistic differences between similar characters.