It refers to abnormal patterns of muscle function involving the face, mouth, tongue, and jaw, which may affect speech, swallowing, breathing, and dental development.
- Tongue thrust and abnormal swallowing patterns
- Drooling issues
- Habitual open-mouth posture
- Orofacial muscle weakness impacting speech and feeding
- Thumb-sucking and related oral habits affecting speech and dentofacial development
- Tongue-tie (ankyloglossia)

