Objective To explore differences in the oral health of patients with a gastric ulcer who test positive or negative for Helicobacter pylori in order to provide a scientific basis for the treatment of diseases of the digestive system.Methods In total,120 patients with a gastric ulcer served as subjects for this study.Sixty tested positive for H.pylori and 60 tested negative.The oral health of patients who tested positive or negative for H.pylori was compared using the GI,OHI,and PLI. Results Patients who test...