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International Journal of Esthetic Dentistry  (English Edition)



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Int J Esthet Dent 1 (2006), No. 1     22. May 2006
Int J Esthet Dent 1 (2006), No. 1  (22.05.2006)

Page 52-61, PubMed:19655475

Nonvital Bleaching: General Considerations and Report of Two Failure Cases
Dietschi, Didier
This paper describes the rationale and procedures for noninvasive treatment of discolored nonvital teeth using the walking bleach technique. The limitations of this procedure and, in particular, the unpredictable color stability following nonvital bleaching are discussed and illustrated with two cases of rapid discoloration relapse. The possible reasons for treatment failure are examined and show that current knowledge regarding the origin and prevention of discoloration is limited.