A price that ranges between $10 to $35 against supervised tooth whitening that costs from $600 to $1000 and in some cases, beyond the K mark is indeed attractive not to mention the same teeth whitening results. The question though that causes many people to hesitate is its safety, it is. Except when there is a special tooth and gum problem, where the teeth is prone to hypersensitivity and where the gum is easily irritated, over the counter teeth whitening ranks among the safest in cosmetic enhancement. Listed below are some of the top over-the-counter solutions that you can choose for your issues with regards to your teeth. Whitening strips and gels Gels are popular solutions for teeth whitening. These are clear gels that contain a good concentration of peroxide- that main ingredient that facilitates teeth whitening. While the darkening of the teeth as it ages is mainly due to the changes in the teeth's mineral structure, the enamel at the same time gets less porous and less shiny making it more susceptible to stains from bacterial pigments, medication, tobacco, wine, coffee, tea and food. No matter how good the hygiene of a person is, the teeth simply ages. And these products as well are used to cover misalignment of the teeth. But more than that, oral practitioners have discovered other uses for these veneers. Right now, these are also considered as cosmetic veneers and they are used to deliver that bright and white smile. Here are some of the major benefits of cosmetic veneers and porcelain veneers: These veneers are best to cover worn enamel. On the other hand, no amount of teeth bleaching will whiten teeth more than its natural color. In some cases, it could artificially be done but never recommended. No matter how teeth whitening and bleaching is done, anything involving cosmetic enhancements and restoration is subjective that varies from person to person. This is especially true if you have suffered teeth trauma in the past and have gums that are easily irritated. Even if you do not have these issues, you may still need a mouth exam and an assessment of your gums. Your dentist is also in the best position to seek advice regarding over-the-counter system that could be used.