“Big Daddy” arch wire: Its use in orthodontics , first phase

This is a lateral expanding arch wire, made of .030, .036 or .040, round stainless steel wire. If you are doing a great deal of expansion it is best to have a rectangular arch in the brackets, with a lot of buccal root torque too counter the tip from the expansion. Read the full article here-- https://drive.google.com/file/d/1UMjF...