Smile Addiction Adelaide Teeth Whitening aims to improve your self-confidence by enhancing your natural beauty. Whether this be through our teeth whitening service creating a whiter, brighter smile or creating a more youthful you with our Cosmetic Fillers. The Addictive Smile treatment whitens teeth by up to 8 to 15 shades over 2 x 90-minute sessions in one week. We recommend this for those who need a little extra attention on those tougher stains. In your consultation you will be shade.