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Related Experiment Videos

Internal bleaching: long-term outcomes and complications

S Friedman1

  • 1Department of Endodontics, Faculty of Dentistry, University of Toronto, Ontario, Canada.

Journal of the American Dental Association (1939)
|April 1, 1997
PubMed
Summary
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Internal bleaching with 30% hydrogen peroxide offers short-term aesthetic success but risks long-term failure and external root resorption. Sodium perborate presents a safer alternative with acceptable aesthetics and minimized resorption risk.

Area of Science:

  • Dentistry
  • Dental Materials Science

Background:

  • Internal bleaching is a common dental procedure for discolored teeth.
  • 30% hydrogen peroxide is frequently used but has known limitations.

Purpose of the Study:

  • To evaluate the long-term efficacy and risks of internal bleaching using 30% hydrogen peroxide.
  • To explore alternative internal bleaching agents with a lower risk profile.

Main Methods:

  • Review of clinical and experimental data on 30% hydrogen peroxide internal bleaching.
  • Assessment of sodium perborate as an alternative bleaching agent.

Main Results:

  • 30% hydrogen peroxide shows high short-term aesthetic success but less than 50% long-term success.
  • External root resorption is a significant risk associated with 30% hydrogen peroxide.

Related Experiment Videos

  • Sodium perborate provides acceptable aesthetics with potentially minimized resorption.

    • Conclusions:

    • Avoid 30% hydrogen peroxide for internal bleaching due to long-term failure and resorption risks.
    • Sodium perborate is a viable alternative for internal bleaching, offering improved safety and acceptable results.