Abstract #1174
Reproducibility of morphological measurements and muscle DTI parameters in the masticatory system of healthy subjects.
Jose D Sergio Almeida 1 , Flora Grning 2 , and Jiabao He 1
1
Aberdeen Biomedical Imaging Centre,
University of Aberdeen, Aberdeen, Scotland, United
Kingdom,
2
Anatomy
and Musculoskeletal Research Programme, University of
Aberdeen, Aberdeen, Scotland, United Kingdom
Masticatory system is complex, attracting significant
interest in understanding its function. However, current
literature evidence has limited consistency, often
attributed to multifactorial nature of masticatory
dysfunction. It is therefore valuable to assess the
reproducibility of bone and muscle morphological
measurements and muscle DTI parameters, where signal
level and spatial accuracy are competing factors. We
found that bone morphological parameters are highly
reproducible, while muscle volume reproducibility
depends on the volume magnitude. For DTI parameters,
only masseter measurements are reproducible. Our finding
indicates that clinical studies of masticatory system
should carefully consider power calculation to ensure
the validity of the conclusion.
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