OMD refers to abnormal resting posture of the face and mouth, atypical swallowing patterns, dental malocclusions, blocked nasal airways and speech issues. OMD’s include a wide variety of oral postures, habit patterns and functions which interfere with normal growth and development or function of structures. These disorders can lead to incorrect muscle patterns that can lead to different problems.
Sometimes a single cause can be established for the development of OMD, but many times the result is due to a combination of various factors. These may include structural abnormalities such as being tongue-tied. Another factor can be improper habits such as nail biting, cheek biting, teeth clenching and grinding, or sucking of the thumb or fingers. Deviations in the pharynx or nasal cavity, allergies, or airway restrictions resulting from an enlargement of the tonsils or adenoids may also be part of the cause of OMD. Heredity also plays a factor in determining who might develop some of these conditions.