The American Association of Orthodontists (AAO) recommends that children undergo an orthodontic check-up before the age of 7. At this age, children typically have a mix of primary and some permanent teeth. During the examination by an orthodontist, the development of the teeth and jaw is evaluated, and any potential issues are identified.

In some cases, early detection of orthodontic problems can make treatment easier and allow time for preventive or interceptive measures. The appropriate age to begin treatment and the necessary procedures are determined by the orthodontist after the examination.

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