Some people need more
whitening applications to achieve the same results as other people, simply due
to the anatomy of their teeth and the amount of staining that may have taken
place. Your dentist may have only done 2 applications when 3 or 4 were needed.
Most of the time dentists will now...
In some cases, teeth will not whiten as much as the patient wants. Teeth composition varies, and this effects how readily they bleach out with dental whitening systems.Consider how skin color and ability to tan differs between individuals. Some people can tan easily, and others cannot. Same...
The less costly option for whitening is to start with Crest White strips, which you can get at any store. Most of the times they work , but you have to work on it because of the low concentration it will take multiple applications. Doing a whitening home treatment from a dentist can work better...