Malocclusion ("poor bite") can range from mild to
severe. American dentists refer about half of the children they see to
orthodontists. Although most people have some type of malocclusion, not
everyone requires or seeks
orthodontic treatment. For example, with or without
treatment, many adults develop crowded, crooked lower front teeth. This is a
natural result of change over time and doesn't always require braces or other
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