Application of a resin material engineered to penetrate and fill the sub-surface pore system of an incipient carieslesion to strengthen, stabilize, and limit the lesion’s progression, as well as mask visible white spots.
(source: ADA Council on Scientific Affairs).The noble metal classification system has been adopted as a more precise method of reporting various alloys used in dentistry. The alloys are defined on the basis of the percentage of metal content and listed in order of biocompatibility.