Why do children develop crooked teeth - Clear Braces Orthodontics.pdf
If a child has a nasal blockage or has large tonsils, they can’t breathe properly through their nose. This leads them to be a mouth breather.
When the breathe through their mouth, the position of the tongue is such that it does not full develop the upper jaw. This leads to a narrow jaw and therefore the teeth do not have any space to come through straight and end up being crooked teeth.
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