LAMBDA stands for “Lingual archwire production and design help” can be a program for precise and quick bending of orthodontic archwires. This method understands movement only in X-Y plane, so a closed loop can't be bent with the help of This technique (Determine 4) Orthodontic archwires are the first help https://socialmediainuk.com/story20381424/a-simple-key-for-rectangular-niti-wires-unveiled