Nightguard vital bleaching beneath existing porcelain veneers: A case report

Dentist-prescribed at-home bleaching with 10% carbamide peroxide was used t o lighten the apparent color of teeth with preexisting porcelain veneers. V eneers had been placed over unprepared, tetracycline-stained teeth; the tra nslucency of the veneers over the discolored teeth resulted in a graying of the veneers. A custom-fitted fray with no reservoirs and no gingival scall oping was fabricated. A 10% carbamide peroxide material was applied nightly for 9 months to achieve the maximum change in the underlying tooth color. The patient was pleased with the apparent color change. Tooth sensitivity d uring treatment was minimal (lasting 4 days total); the patient treated sen sitivity by brushing with a potassium nitrate-containing toothpaste or appl ying fluoride in the tray.