Phase I treatment is recommended for children who have moderate to severe bite problems, such as a cross-bite (the upper teeth fitting on the inside of the lower teeth), an under bite, or an open bite. It may be recommended for severely mal-aligned, or crowded, teeth.
One goal of Phase I treatment is to create a more favorable environment for the eruption of the permanent teeth. This will decrease the amount and complexity of treatment later, such as having to extract teeth. Phase I treatment can include alteration of uncoordinated jaw-growth patterns, as many poor bites are related to the upper or lower jaw growing faster or slower than the other jaw. Early growth guidance treatment can help coordinate this jaw growth. This early correction may prevent surgical procedures to align the upper and lower jaws.
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