After a teeth whitening treatment, the length of time you can expect it to last might vary. If you consume carbonated drinks, smoke, drink alcohol or take in acid-containing diets, your brightening smile might begin to turn into yellow more quickly than you expect it to last. Typically a teeth whitening procedure can last for a few years, with occasional touch-ups to maintain the lustre. Discuss with an expert cheap dentist Melbourne, to know how you can benefit from teeth whitening.