The biomaterials used in the oral cavity should possess certain qualities. It should be non-toxic, possess reasonable strength, hydrolytic stability, high purity and sterilizability. It should also possess reproducible quality and be resistant to tarnish and corrosion. Some of the biomaterials used by an orthodontist are brackets, arch wires, bands, elastics, adhesives and etchants, cements, impression materials, and micro implants. Almost any procedure performed in a dental office and clinic requires the use of dental material choosing the right material for any procedure is a bit like...