A 6 year old patient with symmetrical maxillary and mandibular arches has a right unilateral posterior crossbite. On initial contact, the maxillary and mandibular midlines are coincident but in maximum intercuspation the mandibular midline is 2mm to the right. The most appropriate management is to
expand the maxillary arch bilaterally
use molar bands and crossbite elastics on the side of the crossbite.
use a removable inclined plane.
delay treatment until all permanent teeth have erupted.
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