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Abstract Aim To investigate the association between endogenous sex hormone levels and history of tooth loss related to periodontitis in healthy middle‐aged to older men and post‐menopausal women. Methods This cross‐sectional study included 5649 participants aged 45–84 (mean age, 63 ± 10 years) from the Multi‐Ethnic Study of Atherosclerosis cohort who had sex hormone levels measured and answered a questionnaire regarding perceived periodontal status at exam 1. Multivariable logistic regression was used to examine the association of sex hormones (exposure) with history of tooth loss (outcome), stratified by sex. Results Among post‐menopausal women, higher free testosterone (per 1SD) was associated with a greater prevalence of tooth loss OR 1.49 (95% CI, 1.08–2.05), whereas higher sex hormone binding globulin (SHBG) was associated with a lower prevalence of tooth loss OR 0.74 (0.58–0.94), after adjustment for cardiometabolic risk factors and reproductive factors. In men, higher free testosterone and lower SHBG were associated with a lower prevalent probability of tooth loss in unadjusted analysis, but these associations lost significance after covariate adjustment. Conclusion A higher androgenic sex hormone profile in post‐menopausal women (i.e., increased free testosterone, lower SHBG) was associated with an increased prevalence of tooth loss, after adjusting cardiometabolic risk factors. No such association was found in men. These findings suggest that sex hormones may influence or serve as a marker for periodontal health.
Doughan et al. (2024) studied this question.