orthodontics and maxillary orthopedics work in the deciduous and mixed dentition of the children, mainly preparing the maxillary bases for the appropriated eruption of the permanent teeth
although the timing for the complete eruption of the permanent dentition is fuzzy, a reference is about 12 year-old, when the most of the maxillary growth has already occurred
the main problem to be addressed in the mixed dentition is the lack of space for the correct positioning of all permanent teeth
without space gaining in the mixed dentition, odds are considerably greater for extraction of permanent teeth after the 14 year-old age
