Abstract
BACKGROUND AND AIM Research has focused on relating ABO blood group systems and different systemic disorders in recent years. Studies showing relation between dental disorders and ABO blood groups, to date, are limited. The current study was undertaken to explore whether blood group affects dental diseases, especially dental caries. METHODS 346 patients who attended the Dental Clinic and Research Center, Patanjali Ayurved Hospital, Haridwar, India, were randomly selected for the study. Patients who showed their blood group test performed in a registered pathological laboratory or in our pathobiology laboratory were included in the study. Dental caries were recorded based on the Decayed, Missing, and Filled Teeth (DMFT) index issued by the World Health Organization (WHO). RESULTS The prevalence of caries among the adults and older people was within 100% both in Yerevan and its regions. The most common dental disorder was dental caries among all blood groups. Dental caries were more prevalent in blood group B, followed by O, A, and AB. No significant correlation was found between the DMFT index score and blood groups. CONCLUSION Further studies are required on a larger population to conclude any correlation between the ABO blood group phenotypes and dental disorders.
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