Thumb Sucking: A Most Common Habit

What's the most common thing nearly half of American toddlers do when they're tired, relaxing, sleeping, or being scolded? They suck their thumbs! Thumb-sucking is the earliest and most common habit among children. It's nothing for parents to worry about—unless the habit persists. Only after age four does thumb-sucking threaten to damage children's teeth Some thumb-suckers simply rest the thumb in the mouth, sucking only at certain times. Others work at the habit and can displace teeth severely. If, when you remove the thumb from your child's mouth you hear a "popping," it signals a great deal of pressure on the teeth that may cause an overbite or underbite. If the child is over four, you may want to discuss [...]