What Causes Crooked Teeth
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Did you know, 3 out of 4 children have crowded teeth and incorrectly developing jaws. These problems can be seen from as early as 5 years of age.
Modern research has shown that crowded teeth, incorrect jaw development and other orthodontic problems are not caused by big teeth in small jaws or hereditary factors. Mouth breathing, tongue thrusting, reverse swallowing and thumb sucking (known as incorrect myofunctional habits) are the real causes. Allergies, asthma and an open mouth posture also contribute to incorrect jaw development. Growing up, most of us have had one or more of these myofunctional problems, which may have been the cause of incorrect dental and facial development.
Just getting braces, with or without extractions, does not address the underlying causes of crooked teeth. This is why once the braces are removed, the teeth usually crowd up again, unless poor oral habits are corrected. This is why treatment with braces alone commonly results in the need for life-long retainers.