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[6-1]_(37~42) A Sequential Approach for an Asymmetric Extraction Case in Lingual Orthodontics

A Sequential Approach for an Asymmetric Extraction Case in Lingual Orthodontics


Ji-Sung Jang1 , Kee-Joon Lee2

1 Dream Orthodontic Clinic, Gimhae

2 Department of Orthodontics, Institute of Craniofacial Deformity, College of Dentistry, Yonsei University, Seoul, Korea


To resolve the dental asymmetries, it is important to determine the treatment midline with facial midline as a reference and the anchorage value at each quadrant. Then the correction of midline and molar key should be conducted from the initiation of treatment. Therefore, the simulation of desired tooth movement prior to treatment is an essential part of orthodontic diagnosis. Moreover, considering that many adult patients have various degree of periodontal breakdown, a strategic tooth movement in order not to cause undesired round tripping is utmost important. Recently, virtual simulation have been developed and introduced to visualize three-dimensional desirable tooth movement to achieve treatment goals. In this report, we present a sequential approach for an asymmetric extraction case involving torque control with a lever arm in lingual orthodontics.


Key words: Dental asymmetry, Sequential approach, Three-dimensional VTO


Korean J Lingual Orthod 2017;6(1):37-42



04(037-042) KJLO 17-6-104
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