Association between the type of retention and sealant at the 3<sup>rd</sup>, 6<sup>th</sup>, 9<sup>th</sup> and 12<sup>th</sup> month (Chi-Square test).

Table 1: Association between the type of retention and sealant at the 3^rd, 6^th, 9^th and 12^th month (Chi-Square test).

Retention	Resin sealant (n = 35)			Glass ionomer sealant (n = 35)			χ2 (p-value)	Fisher’s exact test (p-value)
Retention	Complete retention	Partial retention	Complete loss	Complete retention	Partial retention	Complete loss	χ2 (p-value)	Fisher’s exact test (p-value)
3^rd month	33 (94%)	2 (6%)	0	23 (66%)	12 (34%)	0	8.929 (*0.003)	169.6 (*0.001)
6^th month	31 (89%)	4 (11%)	0	14 (40%)	20 (57%)	1 (3%)	18.089 (*< 0.001)	173.5 (*0.001)
9^th month	28 (80%)	7 (20%)	0	9 (26%)	19 (54%)	7 (20%)	22.295 (*< 0.001)	175.8 (*0.000)
12^th month	24 (69%)	11 (31%)	0	1 (3%)	16 (46%)	18 (51%)	8.929 (*< 0.003)	173.6 (*0.000)

*Denotes significant difference (p < 0.001 is highly significant).