More concentration of the bleaching agents however means faster results compared to home treatment methods that are very much "watered down" to insure safety. Some of the risks that are likely to occur are sensitivity to touch, temperature and pressure. For persons with sensitive teeth though, toothpastes containing potassium nitrate are recommended. Professional Laser Teeth Whitening Services Dissected Having yellow teeth is no longer a problem, well at least according to many dental practitioners. There are a number of professional cleaning and teeth whitening services, and it's now easy for you to change from that person with yellow teeth to that person with shiny white set of teeth. And what is the cost of this whitening solution? Expect to pay from $300 to $600 and this will include all the bleaching materials. What about laser whitening Laser whitening is done on the office or the clinic of the attending dentist. And in order to get the results, you may need to have one to four treatments. For those with allergies, consider a stop first on the plans to have teeth whitening. This is especially true for everyone who is allergic to peroxide. Do you have a gum disease, exposed roots or you have worn enamel? If you have these gum diseases, then the teeth whitening procedures are highly discouraged. Not everyone though is a good candidate for teeth whitening. There are teeth conditions and stains that are resistant to bleaching. Examples of these are trauma to the tooth that caused the stain, blood that has leeched to the dentin, people with fillings, crowns and veneers. Crowns, veneers and fillings will always retain its default color while those that are deep in the dentin will need professional supervision. In theory, what makes the teeth whitening toothpaste works are its major ingredients. These products may contain special abrasives and these are the ingredients that work to remove the dirt on the teeth. And these products will always contain chemicals. And it is the role of these chemicals to break down the stains taken down by the abrasives.