IL10 and oral lichen planus: As for the SNP of IL10-819C/T and IL10-1082G/A, the results of our meta-analysis indicated that these 2 SNPs were not associated with the susceptibility of OLP, whereas a positive relationship between IL10-592C/A and OLP was identified in all of the models and our results indicated that the A allele and AA genotype was significantly associated with an increased risk of OLP as compared to the C allele.