November 2018 Vol. 6 No.11

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Original Research Article

ISW for the Treatment of an Adult Female Class II div. 2 with obvious chin button

Chun-shuo Huang^1,2 and Jian-hong YU^1,2*

¹Department of Orthodontics, China Medical University and Medical Center, Taiwan, R.O.C.
²School of Dentistry, College of Dentistry, China Medical University, Taiwan, R.O.C.

*Corresponding Author’s E-mail: Albertpurinhaung@hotmail.com

Accepted November 09, 2018

Abstract

The objective of the treatment is for the treatment of adult female Class II div. 2 with obvious chin button by ISW (Improved Super-elastic Ti-Ni alloy wire, developed by Tokyo Medical and Dental University). An adult 19-year-old female came to our clinic with a chief complaint of poor bite and for esthetic consultation. Clinical examination revealed a convex lateral profile, bilateral Class II molar and canine relationship with anterior Class II division 2. Active treatment included non-extraction and ISW curve over the upper and lower arches with ideal vertical control by using long Class II inter-maxillary elastics (IME). Treatment was completed within 24 months, a stable occlusion and a desirable esthetic outcome was achieved and the patient was pleased with the treatment result after the active treatment.

Keywords: ISW, ISW curve, skeletal Class II division 2, intermaxillary elastics (IME), non-extraction