A directional change in tongue thrust.
D002648:Child; D003680:Deglutition Disorders / Q000175:diagnosis / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans; D008310:Malocclusion / Q000209:etiology; D009967:Orthodontic Appliances; D011379:Prognosis; D014061:Tongue Habits