The tongue have a big impact on the development of the mouth and teeth. Ideally, the tongue should rest in the top of your mouth and provide an internal support system for the upper jaw. When someone has a tongue thrust or a mouth breathing problem, the tongue rests in the bottom of the mouth, which means that the support system simply isn’t in place.The tongue is constantly resting against the front teeth, and every time we swallow, it pushes forward. These two factors can cause the teeth to move.When we lose our baby teeth, and the adult teeth are growing in, the position of the tongue can cause the adult teeth to grow in crooked. Specifically, when a child has a tongue thrust, the adult teeth tend to grow in more widely spaced, angled towards the lips and in what dentist call an open bite (where the top and bottom teeth don’t overlap).
If left untreated this force can contribute to the development of: