Zoom whitening is not a suitable option for everyone, so discussing your needs with a dental professional is important before deciding if this treatment is right for you. People with certain dental issues, such as decay, are usually not good candidates. Here is a list of other disqualifying conditions. Always talk to your doctor before undergoing a chemical process like tooth whitening.   ᐅ Periodontal disease ᐅ Pregnant or lactating women ᐅ Fillings ᐅ Crowns ᐅ Children under the age of 14 ᐅ Patients with melanoma or any other type of skin cancer ᐅ Patients who are undergoing any type of photochemotherapy ᐅ Individuals who already have small dark stains on their teeth from medications such as tetracycline ᐅ People with increased sensitivity to light