Orofacial Myofunctional Disorders

What are orofacial myofunctional disorders (OMDs)?

The IAOM (International Association of Orofacial Myology) reports “myofunctional disorders  involve behaviors and patterns created by inappropriate muscle function and incorrect habits involving the tongue, lips and jaws”

OMDs include one or more of the following
1.  abnormal thumb, finger, lip, cheek, or tongue sucking habits

2.  inappropriate mouth-open lips-open resting posture

3.  inappropriate rest posture of the tongue

4.  inappropriate thrusting of the tongue in speaking or swallowing


Symptoms of Orofacial Myofunctional Disorders:

-congestion/mouth breathing

-open mouth posture at rest


-low tone

-dental crowding/crossbite/open bite

-high and narrow palate

-tongue tie


-dark circles under the eyes

-thumb or object sucking

-nail biting


-open mouth chewing/sloppy eating