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Related Experiment Videos

Nonvital tooth bleaching: a 2-year case report.

A T Hara1, L A Pimenta

  • 1Department of Restorative Dentistry, School of Dentistry of Piracicaba, University of Campinas, São Paulo, Brazil.

Quintessence International (Berlin, Germany : 1985)
|April 15, 2000
PubMed
Summary

Intracoronal bleaching effectively whitened a discolored tooth using sodium perborate. This walking bleach technique provided excellent esthetic results, remaining satisfactory even after two years.

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Area of Science:

  • Dentistry
  • Endodontics
  • Esthetic Dentistry

Background:

  • Nonvital teeth often present with discoloration, impacting esthetics.
  • Intracoronal bleaching is a conservative treatment option for discolored nonvital teeth.
  • Sodium perborate is a commonly used bleaching agent for internal tooth whitening.

Observation:

  • A discolored, nonvital maxillary right central incisor was treated.
  • The walking bleach technique, using sodium perborate and water, was employed.
  • The immediate bleaching result was excellent.

Findings:

  • The intracoronal bleaching technique proved highly effective.
  • The materials used demonstrated significant efficacy in whitening the nonvital tooth.
  • A 2-year follow-up showed the tooth remained esthetically satisfactory, with only slight re-staining.

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Implications:

  • Intracoronal bleaching with sodium perborate is a viable and durable solution for discolored nonvital teeth.
  • The walking bleach method offers predictable and long-lasting esthetic improvements.
  • This technique supports conservative treatment approaches in restorative dentistry.