This will vary from client to client and greatly depends on the types of foods and drinks you include in your everyday diet. This also greatly depends on your general dental hygiene habits. The effect of this bleaching process will last from 6 months to a year. Again, depending on your habits, periodic touch up treatments may be recommended for those who drink coffee, smoke, drink red wine, iced tea, colas, and other staining foods. Since the teeth whitening prices in Melbourne is less, anyone who is in need of teeth whitening could undergo this procedure.