Thumb Sucking

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The sucking reflex is normal and healthy in babies. However, a thumb or finger sucking habit can cause problems with the growth of the mouth and jaw, and position of teeth, if it continues after permanent teeth have erupted, between four and seven years of age. Front teeth that point outwards (sometimes called buck teeth) and an open bite may result from habitual thumb or finger sucking. This can cause problems in adulthood that include premature tooth wear, increased dental decay and discomfort on biting. Sucking on pacifiers after permanent teeth have erupted may cause similar problems.

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Finger Sucking

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