Impact of aesthetic restorative treatment on anterior teeth with fluorosis among residents of an endemic area in Brazil: intervention study

Table 4 Comparisons of the severity of impact (sum of all scores), at the two times in both restorative treatment groups, São Francisco, Brazil

	Total sample	Treatment		p-value (Mann–Whitney test)
	Total sample	Microabrasion	Composite resin; Combination of microabrasion and composite resin	p-value (Mann–Whitney test)
Baseline	10 (5)*	8.0 (6.0)*	10 (8.0)*	0.002
Follow-up	4 (8.0)*	3.0 (8.0)*	8 (8.0)*	0.015
p-value (Wilcoxon test)	0.003	0.007	0.180

ISSN: 1472-6831