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Investigating the correlation between bone density and fracture frequency in the mandibular condyle with micro-computed tomography

Accepted version
Peer-reviewed

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Type

Article

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Authors

Thirunavukarasu, Arun James 
Ferro, Ashley 
Singh Dubb, Sukhpreet 
Hamilton, Duncan Lee 

Abstract

Fractures of the mandibular condyle are common and include diacapitular fractures affecting the condylar head. The medial part of the condylar head is least commonly fractured, possibly due to decreased propensity for lines of force to run in the region. Micro-computed tomography (X-ray microtomography) of five temporomandibular joint specimens was conducted to explore whether trabecular bone structure correlates positively with fracture prevalence; which could reflect adaptation in response to lower exposure to physiological loads throughout life. Models of trabecular bone, and graphic representation of bone density indicated least dense bone medially, but a statistically significant ANOVA result was not obtained. Further study is required to verify whether a relationship between bone microstructure and fracture frequency exists, and whether or not this is the product of association between the directions of physiological and traumatic forces.

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Keywords

Mandibular condyle, X-ray microtomography, anatomy, bone structure, diacapitular fracture, micro-computed tomography, Bone Density, Humans, Mandibular Condyle, Mandibular Fractures, Temporomandibular Joint, X-Ray Microtomography

Journal Title

British Journal of Oral and Maxillofacial Surgery

Conference Name

Journal ISSN

0007-117X
1532-1940

Volume Title

Publisher

Elsevier