Table 1.

Mean and SD. of Roughness Height and Total Surface Area in all Groups

	Ra	SA
control	569.7 ± 2.3	2886.6 ± 9.20
varnish	370.54 ± 2.19	2577.2 ± 5.3
u.sealant	330.28 ± 1.62	2561.2 ± 8.07
pro seal varnish	307.24 ± 2.58	2507.2± 7.08