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Published on: January 29, 2018
Estimating bone mineral density using MRI in medicine and dentistry: a literature review
Danielle Ayumi Nishimura1, Isabela Goulart Gil Choi2, Emiko Saita Arita2
1Department of Stomatology, School of Dentistry, University of São Paulo (USP), Av. Prof. Lineu Prestes, 2227, São Paulo, 05508-000, Brazil. daniayumini@gmail.com.
Objectives:
Studies performed in the medical area have shown that an indirect diagnosis of bone mineral density (BMD) is feasible by assessing the amount of bone marrow fat with non-ionizing magnetic resonance imaging (MRI). In dentistry, radiographic methods are still the most used for alveolar bone diagnosis. The present literature review aimed at addressing the role of MRI in assessing BMD in medicine and dentistry.
Methods:
MEDLINE and EMBASE databases were searched for articles published up to 2019.
Results:
A total of 428 potentially eligible papers were screened. Of these, 397 were excluded after title, abstract and keyword assessment, yielding 31 papers that potentially met the inclusion criteria. Eleven studies were then excluded because their full texts did not discuss the role of MRI in the indirect diagnosis of BMD. As a result, a total of 20 studies were finally identified as eligible for inclusion in this literature review. Most studies found satisfactory accuracy of MRI for indirectly assessing BMD by quantifying bone mineral fat (BMF). However, only one of these studies was on dentistry.
Conclusion:
Within the limitations of this study, the present findings suggest that MRI is accurate to indirectly estimate bone density by assessing BMF, and could be clinically relevant during dental treatment planning.
