LTF and oral lichen planus: However, there was no significant correlation in the OLP patients after topical 0.1% FAO treatment (P = 0.440) (Fig. 1) Furthermore, no relationship between the amount of oral Candida and salivary lactoferrin levels was observed in any group (P = 0.435, P = 0.171 and P = 0.636) (Fig. 2).