The Association Between Osteopenia and Periodontal Attachment Loss in Older Women

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<jats:p><jats:bold>Background:</jats:bold> Recent research suggests that osteopenia may be a predisposing factor for periodontal tissue destruction. If so, then a relationship should exist between measures of systemic bone mineral density and periodontal tissue destruction. The purpose of the present cross‐sectional study was to evaluate the association between systemic bone mineral density and the clinical signs of periodontal tissue destruction in a large population of elderly dentate women.</jats:p><jats:p><jats:bold>Methods:</jats:bold> A total of 292 dentate women (average age 75.5 years) were randomly selected for a cross‐sectional periodontal substudy from participants at the Pittsburgh Field Center of the Study of Osteoporotic Fractures (SOF), a prospective study of a cohort of elderly women (age ≥65 years at baseline) to determine risk factors for fractures. Bone mineral density (BMD) was measured using single photon absorptiometry (radius, calcaneus) and dual energy x‐ray absorptiometry (hip, spine). Oral health examinations, including periodontal probings and an assessment of bleeding on probing, were made using an NIDR probe at 3 buccal sites of all teeth. Multiple regression models were used to assess the association between bone mineral density and measures of periodontal disease status while controlling for potential confounders. Periodontal status variables examined included: average loss of periodontal attachment (LOA); number of sites with at least 4 mm LOA; number of sites with at least 6 mm LOA; number of sites with bleeding on probing; and deepest probing depth per person.</jats:p><jats:p><jats:bold>Results:</jats:bold> This study found no statistically significant association between the 5 indicators of periodontal disease and measures of systemic BMD at 8 anatomic sites after controlling for age, smoking, and number of remaining natural teeth. Some suggestive findings support a weak association between generalized osteopenia and periodontal disease.</jats:p><jats:p><jats:bold>Conclusions:</jats:bold> Systemic osteopenia is, at best, only a weak risk factor for periodontal disease in older non‐black women. <jats:italic>J Periodontol 1999;70:982‐991.</jats:italic></jats:p>

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