Periodontal Disease and Bone Mineral Density in Postmenopausal Women

Periodontal disease and osteoporosis share common pathways of bone resorption and inflammatory dysregulation, particularly in postmenopausal women who experience oestrogen deficiency. The loss of alveolar bone height and density in periodontal disease may mirror systemic declines in skeletal bone mineral density (BMD), compounding risks of tooth loss and fragility fractures. Hormonal changes at menopause accelerate osteoclastic activity, while age-related shifts in oral microbiota and host immune responses exacerbate local tissue destruction. A growing body of evidence highlights bidirectional interactions between oral health and systemic bone metabolism, underscoring the need for integrated screening and prevention strategies in midlife and older women.

Research from Nature Portfolio

Recent studies have demonstrated strong associations between oral health status, bone mineral density and fracture risk among older women. Analyses of large cohorts using the FRAX algorithm have revealed that reduced tooth number and poorer periodontal status correlate with higher 10-year probabilities of major osteoporotic and hip fractures. Adjusted models accounting for body mass index, metabolic syndrome and lifestyle factors confirm that tooth loss and elevated periodontal index scores serve as independent predictors of skeletal fragility. These findings underscore the need for interdisciplinary collaboration between dental and medical professionals in the management of postmenopausal bone health.

Periodontal Disease and Bone Mineral Density in Postmenopausal Women publication trend

The graph below shows the total number of articles in periodontal disease and bone mineral density in postmenopausal women across all publications each year (not limited to Nature Index journals).

Technical terms

Periodontal disease: Chronic inflammatory condition affecting the tooth-supporting tissues, leading to destruction of the periodontal ligament and alveolar bone.

Bone mineral density (BMD): Quantitative measure of mineral content in bone, used as a surrogate for bone strength and fracture risk.

Alveolar bone: The ridge of jawbone that surrounds and supports the tooth sockets.

Trabecular bone: Porous, spongy bone tissue found at the ends of long bones and within the alveolar bone, sensitive to hormonal changes.

Oestrogen deficiency: Reduction in circulating oestrogen levels post menopause, leading to increased bone resorption.

Fracture Risk Assessment (FRAX) tool: A clinical algorithm that estimates the 10-year probability of hip or major osteoporotic fractures based on individual risk factors.

Community Periodontal Index (CPI): A clinical screening measure for periodontal health, assessing pocket depth, bleeding and calculus.

References

1. Menopause-related changes to maxillary trabecular bone micro-architecture. Frontiers in Aging (2025).
2. Associations between oral health status and risk of fractures in elder adults. Scientific Reports (2023).
3. Salivary inflammatory burden in pre‐ and postmenopausal women: Associations with body mass index, patient‐reported health, serum cytokines, and periodontal parameters. The Journal of Periodontology (2023).
4. Overview on Osteoporosis, Periodontitis and Oral Dysbiosis: The Emerging Role of Oral Microbiota. Applied Sciences (2020).
5. Effect of periodontitis on the development of osteoporosis: results from a nationwide population-based cohort study (2003–2013). BMC Women's Health (2017).