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Related Experiment Videos

Polishing after debracketing: its influence upon enamel surface

A C Vieira1, R A Pinto, O Chevitarese

  • 1Gama Filho University, Brazil.

The Journal of Clinical Pediatric Dentistry
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

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Polishing orthodontic bracket debonding sites is essential for enamel surface cleaning. Extended polishing times improve composite removal but do not fully restore enamel to its original condition.

Area of Science:

  • Dental Materials Science
  • Orthodontics
  • Biomaterials

Background:

  • Debonding orthodontic brackets can leave composite remnants on the enamel surface.
  • Incomplete removal of composite may affect the esthetics and health of the tooth.

Purpose of the Study:

  • To investigate the effect of different polishing durations on enamel surface after orthodontic bracket debonding.
  • To evaluate the efficacy of pumice and rubber cup polishing in removing composite resin.
  • To compare polished enamel surfaces with sound enamel using Scanning Electron Microscopy.

Main Methods:

  • Nine healthy human teeth were used, with brackets bonded and debonded after 24 hours.
  • Composite resin was removed using a tungsten carbide bur.
  • Three groups of teeth underwent polishing for 30 seconds, 10 seconds, or no polishing.

Related Experiment Videos

  • Enamel surfaces were examined using Scanning Electron Microscopy (SEM) and compared to sound enamel.

    • Main Results:

    • Pumicing is necessary for composite removal after debonding.
    • Even 30 seconds of polishing left residual composite on the enamel surface.
    • None of the polishing procedures fully replicated the surface of sound enamel.
    • Increased polishing time led to better, though not perfect, results.

    Conclusions:

    • Pumice polishing is a required step following orthodontic bracket removal.
    • Optimal polishing time is crucial for effective composite removal.
    • Further research may be needed to achieve a pristine enamel surface post-debonding.