Table 2.

Quality assessment of included studies

	Ekstrand et al., 2010 [13]	Martignon et al., 2012 [14]	Paris et al., 2010 [15] Meyer-Lueckel et al., 2012 [16]
Randomization	Yes	Yes	Yes
Study design	Split-mouth	Split-mouth	Split-mouth
Blind outcome assessment	Yes	Yes	Yes
Test group(s)	RI s+ FV	RI	RI
Control/placebo group(s)	FV	Sealant Microbrush	Water application
Drop-outs	6/48 (12.5s%)	2/39 (5.1s%)	2/22 (9.1s%)