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Isw for the treatment of angle class i case with lower congenital missing central incisor

Author:

Chun-shuo HUANG and Jian-hong YU

Subject Area:

Health Sciences

Abstract:

The objective of the case study is for the treatment ofAngle Class I with lower central incisor congenital missing case by ISW (Improved Super-elastic Ti-Ni alloy wire, developed by Tokyo Medical and Dental University).A young female (16 years old) came to our clinic with a chief complaint of maxillary protrusion and mild crowding. Clinical examination revealed lower central incisor congenital missing, large overjet, and anterior crowding. In order to relieve crowding and to correct large overjet, extraction of #14 #25(due to large decay) was performed. ISW Active tie back was performed to correct anterior tooth inclination and to reduce large overjet. Inter-maxillary elastics (IME) were also used for inter-digitation during the treatment.

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