Not all stains or pigmentation can be removed with teeth whitening because some are deeper than others and therefore more difficult to treat.
Some color changes arise when certain medications penetrate the teeth in the introductory stage. Such is the case with the antibiotic tetracycline. These pigments are called intrinsic and affect not only the surface layer of the teeth, but they also involve the dentin, which is more internal than the enamel. Stains from tetracycline (commonly used antibiotic) have variables: color, depth and location. This appears more frequently when the medication is consumed by the mother during pregnancy or early childhood. For cases where stains cannot be removed with whitening, Dental Home offers other solutions that will allow you to have natural and beautiful color which include resin veneers or dental contact lenses.