Banding of molars is still the attachment mode of choice to the majority of clinical orthodontists. One of the acknowledged hazards of orthodontic treatment continues to be the presence of clinicaly detectable areas of enamel demineralization following the removal of orthodontic appliances. Factors that contribute to this demineralization include inaccurate adaptation of the bands and breakdown of the seal as a consequence of the inadequate bonding strength of the cements and their solubility