This is dependent on how many cavities/chips need to be fixed, and how deep each cavity/chip is. Various factors such as the number of teeth that need to be restored and how deep the cavity or chip can affect the length of restoration. The length of the appointment can range from 45 – 90 minutes. If there are numerous teeth that require dental treatment, then the treatment may be broken up into multiple appointments. Major restoratives, require multiple appointments to ensure the fit and color are correct.