If the muscles in your face don’t work as they should, you have an orofacial myofunctional disorder, or OMD for short. Depending on the type of OMD you have, you might experience all sorts of issues, including mouth breathing, sleep-disordered breathing, and lisping. Fortunately, it’s often possible to address your symptoms with myofunctional therapy. Below is a brief overview of how myofunctional therapy works and how it can benefit you.