<unk>  (OMD) (sometimes called “oral<unk> <unk> , and “tongue thrust”) are muscle<unk>  of the face, mouth, lips, or jaw due to chronic mouth breathing. Recent studies on the incidence and prevalence of tongue thrust behaviors are not available. However, according to previous research, 38% of various populations have OMD. The incidence is as high as 81% in children exhibiting speech/articulation problems (Kellum, 1992).
Orofacial myofunctional disorders
Temporomandibular joint dysfunction
Nasal septum deviation
Alaryngeal speech
Pressure of speech
Kynect
Facial nerve paralysis
Causes of hearing loss