1. M: The elimination of tetracycline discoloration by intentional endodontics and internal bleaching;JENDOD,1982
2. The discoloration problem “an endodontic solution;Abou-Rass;Alpha Omegan,1982
3. A practical method of bleaching tetracycline-stained teeth;Arens;Oral Surg,1972
4. Heat source for bleaching discolored teeth;Caldwell;Ariz Dent J,1967
5. Bleaching tetracycline stained vital teeth;Cohen;Oral Surg,1970