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KMID : 1033920220180020059
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Journal of The Korean Academy of Geriatric Denstry
2022 Volume.18 No. 2 p.59 ~ p.64
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Preliminary Study on the Relationship Between Temporomandibular Disorders and Bone Mineral Density in the Elderly
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Kim Moon-Jong
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Abstract
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Purpose: The aim of this study is to investigate and compare bone mineral density in patients with temporomandibular
disorders (TMD) and healthy controls to confirm the relationship between TMD and osteoporosis.
Methods: 107 TMD patients and 50 healthy controls were included in this study. Among the TMD patients, 50 were diagnosed with osteoarthritis in at least one joint. Mandibular cortical width (MCW) and panoramic mandibular index (PMI) were calculated in all participants using panoramic radiographs to evaluate bone mineral density.
Results: The mean age was not significantly different between the TMD patients and controls. There were significantly more female subjects in the TMD group than in the controls. The TMD patients with osteoarthritis displayed lower values of MCW and PMI than those without osteoarthritis. However, only the difference in the value of MCW showed statistical significance.
Conclusion: The patients with TMD have lower bone mineral density than the healthy controls. Additionally, compared to the TMD patients without osteoarthritis, the TMD patients with osteoarthritis have reduced bone mineral density. These findings suggested that osteoporosis may be related to the pathophysiology of TMD and osteoarthritis.
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KEYWORD
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Bone mineral density, Osteoarthritis, Osteoporosis, Temporomandibular disorder
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