In March 2007, the young lady pictured came to my office because of her “crooked teeth”. Her parents said she was self-conscious and that some other child had made fun of her smile. Her health history was negative and was caries free. She was in a late mixed dentition; Class II dental; Class II skeletal; and Mesocephalic. Her upper lip was prognathic and her lower lip was retrognathic. She also had bilateral cross bite in her first molars.
In addition, she exhibited slight rotations in her upper first molars. (Fig 1-3) The treatment plan was a phase approach, correcting the cross bite; correcting the Class II dental occlusion; and maintain a class I occlusion, hopefully avoiding a Phase II treatment. I explained to the parents that Phase I treatment is to address orthodontic issues, expanding the arches for the permanent teeth and preparing the patient for potential Phase II.
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