Thumb sucking can cause problems with proper mouth growth and tooth alignment, which can cause the upper front teeth to tilt outward and the upper jaw to narrow backward. 

The palate can also change as a result of this behavior, which in some cases requires intervention to keep the child chewing properly. You can also navigate to Nipit to get the best ideas for thumb-sucking prevention.         


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While some of these can be corrected with braces, they can also cause language problems such as lisp that may need to be corrected during therapy. Below you will find how thumb-sucking affects your kid's teeth.

Thumb Sucking and Its Effect on Child Alignment – As your child's teeth grow in, it is normal for the upper teeth to overlap with the lower teeth. However, the child's thumb puts an extra load on the gums and can prevent the tooth from exploding in the right position for the right bite.

How Thumb Sucking Affects Child's Bites – Open bites are a common problem with thumb suckers. This occurs when the upper teeth do not cover the lower teeth when the child bites. Another common problem is posterior crossbite. It is caused by a narrow palate due to the pressure created by habit. With a crossbite, the outside of the upper molars bites the center of the lower molars.

Language Problems – Thumb sucking can cause language problems. Lisp is another problem that children face that is difficult to overcome.