TABLE 2.

Difference in Risk of New Decay Among Those With and Without Sealants

	Total	CRA low	CRA elevated (Mod/High/Ext)
Number of eligible teeth with sealant	32,811	2,329	26,262
Number of teeth with decay	555	22	456
% of teeth with decay	1.69%	0.94%	1.74%
Number of eligible teeth without sealant	12,302	862	8,651
Number of teeth with decay	594	8	471
% of teeth with decay	4.83%	0.93%	5.44%
Difference in decay (RD: w/sealant minus w/o sealant)	−3.14%	0.02%	−3.71%
z-test	−18.83	0.043	−18.61
P-value	<0.0001	0.9657	<0.0001