Before doing anything, you should confirm that the strips are actually going to work. Your existing crowns will not come off with crest white strips. Dental Crowns And Caps Procedure In India Dental Crowns Dental Treatment Whitening material cannot penetrate any stains that do occur on these restorations. Do crest whitening strips work on crowns . But it’s still effective enough to help with a fairly modest amount of tooth stain. The whitening gels we use to whiten teeth only work on natural teeth and have no effect on porcelain surfaces. Worst case i'd say start with the crest strips and save a bunch of money if they work. So, when you whiten your teeth with whitening products, your natural teeth may appear whiter than the veneers and crowns. Crest 3d whitestrips are flexible, thin strips. Based on what you have described, it sounds like the surrounding teeth that do not have veneers on them are likely whiter than the veneered teeth. Unlike your natural teeth...