Periodontitis and Osteoporosis-A Bidirectional Relationship in Bone Resorption: An Overview
Abstract
Periodontitis and osteoporosis are two distinct but interconnected conditions characterized by bone resorption and structural deterioration. Periodontitis is a localized chronic inflammatory disease affecting the supporting tissues of the teeth, while osteoporosis is a systemic skeletal disorder marked by reduced bone mass and fragility. Recent clinical and epidemiological evidence suggests a strong bidirectional relationship between these conditions, particularly in populations with shared risk factors such as postmenopausal women and the elderly. Both conditions share common pathophysiological pathways, notably the RANK/RANKL/OPG signaling axis and inflammatory cytokines such as IL-1, IL-6, and TNF-α. These mediators contribute to increased osteoclast activity, impaired osteoblast function, and accelerated bone turnover. Additionally, nutritional deficiencies, hormonal imbalances, smoking, alcohol use, and systemic diseases such as diabetes further exacerbate the progression of both diseases. Diagnostic modalities such as bone mineral density testing, periodontal indices, and emerging salivary and serum biomarkers facilitate early detection and monitoring. Therapeutic strategies include anti-resorptive medications, calcium and vitamin D supplementation, scaling and root planning, and antimicrobial treatments. An interdisciplinary management approach is essential for optimal patient outcomes. This review provides a comprehensive overview of the molecular, clinical, and diagnostic evidence linking periodontitis and osteoporosis. It emphasizes the importance of integrated healthcare delivery, future research into shared biomarkers, and the potential for personalized medicine in managing at-risk populations. Understanding this complex interplay will not only improve disease outcomes but also contribute to preventive public health strategies targeting bone and oral health.
Keywords:
Periodontitis, Osteoporosis, RANK/RANKL/OPG, Inflammation, Bone resorption, Cytokines, Diagnostic biomarkers, Multidisciplinary managementDOI
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