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Case-control study on self-reported osteoporotic fractures and mandibular cortical bone
A M Bollen1, A Taguchi, P P Hujoel
1Department of Orthodontics, University of Washington, Seattle, USA.
Summary
Elderly individuals with osteoporotic fractures show increased mandibular bone resorption and thinning. Radiographic assessment of the mandible may aid in identifying fracture risk in older adults.
Area of Science:
- Oral and Maxillofacial Radiology
- Osteoporosis Research
- Geriatric Medicine
Background:
- Osteoporotic fractures pose a significant health risk to the elderly population.
- Radiographic assessment of bone health is crucial for early detection and management.
- The mandibular cortex may serve as an indicator of systemic bone health.
Purpose of the Study:
- To investigate the association between the radiographic appearance of the mandibular cortex and a history of osteoporotic fractures in elderly individuals.
- To determine if mandibular cortical bone characteristics can predict osteoporotic fractures.
Main Methods:
- A case-control study involving elderly patients (age > 60) with panoramic radiographs.
- Participants were interviewed about fracture history (osteoporotic vs. traumatic) and osteoporosis risk factors.
- Mandibular cortex erosion (normal, moderate, severe) and thickness were evaluated on radiographs.
Main Results:
- A significantly higher odds ratio for osteoporotic fractures was observed with moderately (OR=2.0) and severely (OR=8.0) eroded mandibular cortices.
- Mandibular cortex thickness was 12% less (0.54 mm) in subjects with osteoporotic fractures compared to controls.
Conclusions:
- Elderly individuals with a history of osteoporotic fractures exhibit increased mandibular cortical bone resorption and thinning.
- Radiographic evaluation of the mandibular cortex shows potential as a non-invasive tool for assessing fracture risk in older adults.