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Thumb Sucking: A Little Habit With Big Consequences

Writer's picture: braydenweberbraydenweber

Updated: Oct 20, 2024

Why Should I Be Concerned About My Child’s Thumb-Sucking Habit?

Thumb sucking may seem harmless at first, but it can have a significant impact on your child’s facial and jaw development. This habit can lead to misaligned teeth, an arched roof of the mouth, and even affect tongue placement and swallowing patterns. Over time, these issues can result in speech problems, difficulties with breathing, and improper swallowing. Addressing thumb-sucking early on can help prevent more serious dental and myofunctional issues later in life.


How Does Thumb Sucking Cause These Problems?

When your child sucks their thumb or fingers, it opens the mouth unnaturally and places the thumb against the roof of the mouth. This pressure shapes the roof of the mouth into an arched form, narrowing the nasal cavity and affecting how the teeth erupt. The result is often crowded teeth and the development of an open bite—a gap between the upper and lower front teeth when the mouth is closed.

Additionally, thumb-sucking disrupts normal tongue placement. At rest, the tongue should sit near the roof of the mouth, helping to guide the proper growth of the palate. However, thumb sucking causes the tongue to sit lower in the mouth, weakening the tongue and lips. This affects not only swallowing but also speech. Common mispronunciations of sounds like /s/, /z/, /n/, /t/, and /d/ can develop as a result of this altered tongue placement.


When Should I Be Worried About My Child’s Thumb-Sucking Habit?

If your child is still sucking their thumb by the time they are 4 or 5 years old, it’s time to be concerned. Research suggests that the damage caused by thumb-sucking can often be reversed if the habit stops before the permanent teeth start to come in. However, if the habit continues, it can result in long-term dental and myofunctional issues.


Can Orthodontic Treatment Fix My Child's Teeth Alone?

Orthodontic treatment can correct misaligned teeth and restore a beautiful smile. However, orthodontic care alone does not address the underlying habit of thumb-sucking or retrain the tongue for proper resting posture. Thumb-sucking can create an atypical swallowing pattern and weaken the muscles of the face and mouth. That’s why it’s essential to correct these issues through myofunctional therapy, which focuses on proper lip and tongue placement as well as normal swallowing patterns.


How Does Thumb-Sucking Cessation Therapy Work? Is It Effective?

Thumb-sucking cessation therapy is highly successful when combined with a positive reward system, often managed by both the parents and a dental professional. Most children who participate in this therapy can break the habit within a week. However, parental involvement and the child's readiness are crucial to the success of the treatment. During an initial evaluation, we can assess whether your child is ready to start the process.


Who Provides Thumb-Sucking Cessation Therapy?

At Watagan Dental, Dr. Brayden, one of our experienced dentists, specializes in treating Orofacial Myofunctional Disorders, including thumb-sucking. He uses proven techniques to help children stop thumb-sucking and restore healthy facial and oral development. Book an appointment today to learn how Dr. Brayden and our team can help your child overcome thumb-sucking and develop healthier habits.


Why Choose Us for Myofunctional Therapy?

If you are concerned about your child’s thumb-sucking habit, Watagan Dental is here to help. Our team is skilled in myofunctional therapy and airway-focused treatment approaches, ensuring your child’s best possible oral development. We also offer solutions like MyoMunchee to support proper jaw growth and oral health.

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