Internal bleaching - the most conservative way to whiten discolored root canal treated teeth.
This front tooth had root canal treatment years ago and became discolored. There are a few options to make this tooth white again: internal bleaching, veneers and crowns. Internal bleaching is the most conservative and cheapest way, which involves putting mixture of sodium perborate and peroxide inside the root canal for bleaching. After two sessions, the tooth became white again. The best of all is, internal bleaching does not remove any tooth structure.