Hypertension and DMFT: insights from the PERSIAN Guilan Cohort Study

Abstract Background This study investigated the association between hypertension and oral health status, as measured by the Decayed, Missing, and Filled Teeth (DMFT) index, using data from the PERSIAN Guilan Cohort Study (PGCS). Methods A cross-sectional analysis was conducted on 10,520 participants aged 35–70 from Guilan Province, Northern Iran. Blood pressure measurements, oral examinations, and comprehensive data collection on demographic, lifestyle, and clinical factors were performed. The DMFT index was used to assess oral health status. Statistical analyses included Pearson correlation, t-tests, and multiple linear regression. Results The mean DMFT score was significantly higher in hypertensive participants than in non-hypertensive individuals (15.80 vs. 13.62, p