Your first appointment is approximately 20 minutes, and consists of measurements (ie. Impressions) that allow the laboratory to fabricate soft, ultra-slim trays that are custom fit to your teeth.
Your second appointment is approximately 10 minutes. You will be given your custom fit trays, and tips on how to use your home whitening kit.
2 weeks of whitening using a professional dental product is usually sufficient to make a good improvement in your smile. However, you may continue to lighten your teeth beyond this. Talk to your dentist about how you can work together to get the best results.