Table 2.

Relative risks (risk ratios) for increase in ≥1, ≥2, and ≥3 demineralized lesion (DL) in all teeth and in the aesthetic zone, pairwise comparisons with 95% CI. Unadjusted values.

		RR (95% CI)
		HFT vs CTR	FMR vs CTR	FMR vs HFT
Teeth	Increase in WSL
All teeth	≥1 WSL	0.93 (0.77; 1.13)	0.89 (0.73; 1.10)	0.96 (0.77; 1.19)
	≥2 WSL	0.93 (0.72; 1.19)	0.85 (0.65; 1.12)	0.92 (0.69; 1.22)
	≥3 WSL	0.85 (0.61; 1.18)	0.72 (0.50; 1.03)	0.85 (0.58; 1.24)
Aesthetic zone	≥1 WSL	0.77 (0.62; 0.95)	0.74 (0.60; 0.92)	0.97 (0.75; 1.25)
	≥2 WSL	0.88 (0.67; 1.16)	0.82 (0.62; 1.10)	0.93 (0.69; 1.26)
	≥3 WSL	0.89 (0.62; 1.26)	0.79 (0.54; 1.16)	0.90 (0.61; 1.32)