Current evidence does not establish that self-directed “mewing” produces predictable, clinically meaningful skeletal jaw changes in adults. Tongue posture and orofacial muscle function are relevant to swallowing, speech and selected functional disorders, but this does not validate broad online claims of dramatic facial remodelling. Patients concerned about malocclusion, breathing, temporomandibular symptoms or facial growth require an appropriate orthodontic and medical assessment.
Read the evidence-focused review: dentalreach.today/the-truth-about-mewing-separating-fact-from-fiction
How should dentists respond when patients present with social-media claims about changing facial structure through tongue posture?