There are now effective and, above all, gentle methods available that mean that almost everyone can have whiter teeth.
Dentists and dental hygienists effectively and gently remove surface discolorations. It is however more common for the discoloration to be more deeply ingrained in the tooth. Bleaching can often be used to treat discoloured teeth.
We have been bleaching teeth for a great many years, but it is only recently that effective and gentle materials have become available that mean that almost everyone can have whiter teeth.