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Related Experiment Videos

[Clinical evaluation of two tooth bleaching techniques].

C K Nishiyama1, M H da Silva e Souza Júnior, H B Brosco

  • 1Hospital de Pesquisa e Reabilitação de Lesões Lábio-Palatais-USP.

Revista De Odontologia Da Universidade De Sao Paulo
|July 1, 1989
PubMed
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This study compared two dental bleaching techniques for darkened teeth. Both methods proved equally effective in improving tooth color after endodontic therapy or injury.

Area of Science:

  • Dentistry
  • Endodontics
  • Aesthetic Dentistry

Background:

  • Tooth discoloration can result from mechanical injuries or endodontic therapy complications.
  • Effective bleaching techniques are crucial for restoring aesthetics in compromised teeth.

Purpose of the Study:

  • To clinically evaluate and compare the efficacy of two distinct dental bleaching techniques.
  • To assess the effectiveness of bleaching in treating teeth darkened by trauma or endodontic imperfections.

Main Methods:

  • Patients with darkened teeth (due to trauma or endodontic issues) were enrolled.
  • Initial dental photography was performed before bleaching.
  • Two techniques (NUTTING & POE, LACERDA et alii) were applied.
  • Three trained examiners assessed tooth color changes using pre- and post-bleaching photographs.

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Main Results:

  • Quantitative color assessments were performed by expert examiners.
  • Statistical analysis of the data was conducted.
  • Both evaluated bleaching techniques demonstrated comparable clinical effectiveness.

Conclusions:

  • The NUTTING & POE and LACERDA et alii bleaching techniques are equally effective for treating discolored teeth.
  • These findings support the use of either technique for aesthetic restoration in relevant clinical cases.