Abstract
9 years 9months; 4/2010. Angle Class I. II with ectopic 13, 23; mesial tipping of the roots of 12-22 and space opening at 12-22. Lack of space in 13 and 23 areas. Early loss of 53-63 due to undermining resorption and mesial migration of deciduous molars and first molars. Lower anterior crowding. Deep bite. Distalization of the upper molars and premolars. Space opening for alignment of 13-23; Appliances and devices: cervical headgear; lip bumper; multibracket appliance. B. 11/2013; 13 years 5months. 42 months (brackets: 24 months). A Cl. I relationship with canine guidance has been achieved. The overjet measures 2mm, and the overbite 1mm. The second molars are not fully erupted. The upper incisors are slightly protruded. The profile is well-balanced. 2/2013. Bonded 3-3 retainer in the upper and lower jaws, splint retainers for nighttime use. C. (1 year minimum): 6/2015; 15 years 1month. The result is stable. The overbite has increased to 2mm. Inclination of upper incisors has decreased by 2°. All wisdom teeth are planned for extraction. As long as the patient is willing to keep her retainers. The splint aligners are already worn irregularly.
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