the frequency of abo blood groups among patients with denture stomatitis

statement of the problem recent studies have shown a relation between some abo blood types and increased susceptibility to fungal infections. purpose the aim of this study was to determine the frequency of blood groups in patients with denture stomatitis. materials and methods in this descriptive cross-sectional study, diagnosis of denture stomatitis in 100 patients with complete denture, was made by direct clinical examination and confirmed by staining of samples. blood groups were determined by direct agglutination method, using monoclonal antibodies against human a and b blood antigens. data were analyzed by student t.test with p< 0/05 as the limit of significance. results among 100 patients (53 males, 47 females) included in this study, the frequency of blood group o was (53%), group a (17%), group b (18%) and group ab (12%). the frequency of blood group o had the highest frequency in patients with denture stomatitis in comparison with other blood groups (p<0.05). conclusion blood group o might be considered as a predisposing factor for denture related candidiasis.