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Infantiles Schluckmuster – Infantile swallowing pattern:

Thrusting of the tongue when swallowing not appropriate to the individual’s age.

Interdentalität – Interdental:

The tongue pushes between the teeth when pronouncing certain sounds (lisp).

Quelle: "Leitfaden Sprache Sprechen Stimme Schlucken" von J.Siegmüller und H.Bartels / Urban&Fischer Verlag.