Nickel-titanium (NiTi) Archwires are routinely used for initial leveling and alignment of teeth in orthodontic treatment method. This review aimed to clinically Evaluate the level of discomfort and tooth alignment in orthodontic treatment with A-NiTi versus Cu-NiTi archwires. In some cases where by the conventional tactics are unsuccessful, another biomechanical waiting for link from Web 2.0 Blogs (1)