Clinical performance of nano-hydroxyapatite-modified glass ionomer cements in class V cavities: split mouth, randomized controlled trial

Bulletin of the National Research Centre

Table 4 Fisher’s exact test results and descriptive statistics for retention and recurrent caries criteria in the four groups

Time	GIC (n = 15)		Nano-HA GIC (n = 15)		RMGIC (n = 15)		Nano-HA RMGIC (n = 15)		P-value	Effect size (v)
Time	N	%	N	%	N	%	N	%	P-value	Effect size (v)
Base line									NC^†
Alpha	15	100	15	100	15	100	15	100
3 months									NC^†
Alpha	15	100	15	100	15	100	15	100
6 months									1.000	0.000
Alpha	14	93.3	14	93.3	14	93.3	14	93.3
Drop out	1	6.7	1	6.7	1	6.7	1	6.7
9 months									1.000	0.000
Alpha	14	93.3	14	93.3	14	93.3	14	93.3
Drop out	1	6.7	1	6.7	1	6.7	1	6.7
P-value	0.392		0.392		0.392		0.392
Effect size (v)	0.067		0.067		0.067		0.067