Direct bonding and de-bonding procedures during orthodontic treatment lead to areas of enamel demineralization around brackets. During the etching procedures some of the extra area also gets etched and may remain exposed for plaque accumulation resulting in demineralization and white spot lesions around the brackets. To prevent this we use Ortho brush, Chlorhexidine mouth rinses, Fluoride mouth rinses and recently available GC Tooth mousse. However, they may cause corrosion and discoloration of Orthodontic wires1.Mechanical properties of the wire like Yield strength and Modulus of elasticity affects the performance of wire inside the oral cavity. Surface topography of archwire is one of the factors which influence the mechanical properties. Orthodontic mechanotherapy encompasses the use of several arch wires during various stages of treatment. Stainless steel, Nickel titanium and TMA wires are the ones predominately used. In this study we are trying to evaluate and compare the mechanical properties of Nickel titanium, Copper nickel titanium, β Titanium, Stainless steel and Australian 0.016" stainless steel wires immersed in FLUROVIL gel, PHOSFLUR mouth rinse and GC Tooth mousse with those immersed in Distilled water.