Thumb Sucking
Sucking is a natural reflex that relaxes and comforts babies and toddlers. Children usually cease thumb sucking when the permanent front teeth are ready to erupt. Typically, children stop between the ages of 2 and 4 years. Thumb sucking that persists beyond the eruption of primary teeth can cause improper growth of the mouth and misalignment of the teeth. If you notice prolonged and/or vigorous thumb sucking behavior in your child, talk to your dentist.
Here are some ways to help your child outgrow thumb sucking:
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Don’t scold a child when they exhibit thumb sucking behavior; instead, praise them when they don’t thumb suck.
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Focus on eliminating the cause of anxiety—thumb sucking is a comfort device that helps children cope with stress or discomfort.
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Praise them when they refrain from the habit during difficult periods.
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Place a bandage on the thumb or a sock on their hand at night.