Angle classⅡdiv.1 Non-Extraction case with MEAW and lingual appliance

Abstract

This was a 13 year old woman having Angle classⅡ division 1 maxillary protrusion with deep overbite. It was a non-extraction case using Lingual appliance and MEAW technique. .016”×.016”SS was used for the multi-loop wire. Her cooperation with the class Ⅱ elastics was so good that 6.0 mm classⅡmolar relationship was changed into 1.0 mm classⅡ and her overjet was also improved from 9.0mm to 3.5mm, and finally the satisfactory profile was acquired.