Innovative Myofunctional Therapy
                          of Maryland

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What Causes an Orofacial Myofunctional Disorder?


Difficult to say that there is any one particular source as the sole cause of an orofacial myofunctional disorder.  The result in most cases is a combination of factors. Many authorities suggest that orofacial myofunctional disorders may result from improper oral habits such as thumb or finger sucking, cheek/nail biting, tooth clenching/grinding.

Restricted nasal airway due to enlarged tonsils/adenoids and /or allergies.


Structural or physiological abnormalities such as a short lingual frenum (tongue-tie) or abnormally large tongue.

Neurological or development abnormalities

Hereditary predisposition to some of the above factors





Courtesy of IAOM