| 摘要 |
The invention relates to a tongue thrust habit oral corrective device designed to be retained by the posterior teeth, and to train the tongue to avoid thrusting against the front teeth during swallowing. The device (20) including a teeth fitting segment (1) adapted to fit under at least the upper first posterior teeth, a palatal bridge (6) extending from the teeth fitting segment (1) adapted to avoid contacting the palate, and a downward projection (8) adapted to create with the teeth fitting segment (1) and the upper projection, a rearwardly opening pouch or channel (11) in which the user's tongue is engulfed at a central location within the mouth so that the tip of the tongue is positioned properly and accurately for initiating a normal swallow.
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