A Tongue Thrust occurs when the tongue is seen pushing either forwards or sideways against the teeth, or pushing between the front or side (back) teeth while at rest or during swallow.
The tongue is the most powerful muscle in the body, and its outward pushing force can exert a lot of pressure against the teeth and move them out of alignment. This can cause the teeth to become crooked or mal-aligned resulting in a “bad-bite” or malocclusion.
There are many types of tongue thrust, all of which result in bite problems:
The most common types are listed below: