MBSS vs. FEES: Which Swallow Study Do I Need (and What Should I Expect)? Learn the difference between MBSS and FEES swallow studies, how each test supports swallowing care, and when they may be recommended. This guide also explains how myofunctional therapy and speech pathologists help improve swallowing function, breathing, and oral muscle coordination for better daily health. https://breatheworks.com/mbss-vs-fees-swallow-study/