9 Situations Can Not Whitening Teeth. Are You A Good Candidate? - 2
5. Tender Gums And Sensitive Teeth
If you have tender gums and sensitive teeth may be best to avoid chemical whitening or bleaching procedures to keep from further damaging the teeth. Caps or crowns can also eliminate the possibility of a bleach based teeth whitening procedure.
6. Tetracycline Staining
If your teeth are severely stained by tetracycline you might not experience a dramatic improvement with teeth bleaching. However, it does make a difference after prolonged treatment.
7. Under The Age Of 16
Tooth whitening is not recommended for children under the age of 16. At this age the teeth are still developing and the nerves are enlarged. Teeth whitening could cause sensitivity and possible damage to the teeth.
8. Pregnancy
Dentists do not recommend teeth whitening for women who are pregnant or lactating. Although there are no known specific side effects, manufacturers recommend not to bleach while pregnant or nursing as a precautionary measure. And swallowing even the smallest amount of whitening bleach can be harmful to a fetus.
9. Allergies
Anyone allergic to peroxide should not use a teeth whitening product.