Children use sucking at an early age to soothe themselves. In fact, many parents use teething toys, pacifiers, finger guard and other items to feed on to encourage emotional regulation of their children to stop finger sucking.

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As children get older, they may develop the habit of sucking on their fingers or thumbs. Sadly, finger sucking can have long-lasting negative side effects if the habit has endured over the past four years. 

1. Open the bite

The most serious permanent side effect of thumb sucking is a misalignment of the teeth. Malocclusion is a special term used to describe a dental mismatch that occurs when the mouth is closed. 

2. Overbite

Like a loose bite that is blocked, excessive biting occurs when the teeth are facing outward. However, in the super bit configuration, this mismatch is limited to the top front teeth. This difference means that when your kid's mouth is closed, the upper teeth cover the lower teeth and the upper and lower teeth do not touch normally.

3. Skin problems

Children who suck their thumb for years may experience serious skin issues on the finger of their choice. When the skin is exposed to moisture in the mouth, it can become susceptible to other injuries.

4. Speech disorders

Since thumb sucking affects the development of the teeth, jaw and roof of the mouth, it can also change the way your child eats and talks. Thumb sucking can cause tapping and other speech disorders, including the inability to pronounce strong consonant notes like "D" and "T".

5. Social problems

Even before sucking your kid's thumb becomes a current and real threat to your kid's dental development, the habit can cause social problems. Children who suck their thumbs in public can be teased by their peers.