舌ぜつ癖へきぜつへきMeanings1nountongue thrustdentistryA dental term for the habit of pushing the tongue against or between the teeth, especially during swallowing or at rest.舌ぜつ癖へきは歯は並ならびに悪あく影えい響きょうを与あたえることがあります。Tongue thrust can negatively affect tooth alignment.