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Italian Board of Orthodontics: case N. 2 adult malocclusion.

OBJECTIVES
this 20,2 year-old girl presented with a class III malocclusion with severe crowding.


MATERIALS AND METHODS
she was at the end of her growth with a severe skeletal and dental class III malocclusion with lower midline deviation and severe crowding. A concave profile, due to chin's prominence, was present. Lower vertical third of the face increased. No signs or symptoms of TMJ problems were present: lingual position of 12 and 22 is a potential problem for TMJ's health. The state of oral mucosa and gingiva was good. But oral hygiene was not good. Lower midline deviated 3 mm to the left side; canine and molar class I on the right side and class III on the left side. The sequence of her treatment was as follows: a) extraction of 15, 25, 35, 44; b) upper and lower arch fixed appliance for alignment, leveling, correction of lower midline and occlusal relationship; c) post-treatment retention.