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Interproximal enamel reduction: an in vivo study.

Corrado Paganelli1, Matteo Zanarini, Elisabetta Pazzi

  • 1University of Brescia, Department of Orthodontics, Piazzale Spedali Civili 1, Brescia, Italy.

Scanning
|December 10, 2014
PubMed
Summary
This summary is machine-generated.

Interproximal enamel reduction (IER) in orthodontics shows no significant changes in mineral content or morphology after exposure to saliva or casein phosphopeptide amorphous calcium phosphate with sodium fluoride (CPP-ACPF) for 30 days.

Keywords:
ESEM/EDXSEMorthodonticssalivastripping

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Area of Science:

  • Dental materials science
  • Oral biology
  • Biomaterials

Background:

  • Interproximal enamel reduction (IER) is a common orthodontic procedure.
  • The effects of IER on enamel's long-term integrity and remineralization potential require further investigation.
  • Understanding enamel's response to oral environment and therapeutic agents is crucial for clinical practice.

Purpose of the Study:

  • To evaluate the morphology and elemental composition of interproximal reduced enamel.
  • To assess the effects of saliva and casein phosphopeptide amorphous calcium phosphate with sodium fluoride (CPP-ACPF) on stripped enamel in vivo.
  • To compare the outcomes of different post-stripping treatments on enamel.

Main Methods:

  • Four groups of premolar enamel were studied: sound, stripped and immediately extracted, stripped and exposed to saliva, and stripped and treated with CPP-ACPF.
  • Environmental scanning electron microscopy with energy dispersive X-ray spectrometry (ESEM/EDX) was used for elemental analysis.
  • Scanning electron microscopy (SEM) was employed to examine enamel morphology after 30 days of exposure.

Main Results:

  • No statistically significant differences in calcium and phosphate content were observed among the four groups.
  • SEM analysis revealed no discernible changes in the morphological appearance of stripped enamel.
  • Both saliva and CPP-ACPF treatments showed no significant effect on stripped enamel morphology after 30 days in vivo.

Conclusions:

  • In vivo exposure to saliva and CPP-ACPF does not alter the morphology or elemental composition of interproximal reduced enamel after 30 days.
  • The findings suggest that stripped enamel maintains its structural integrity and elemental composition under these conditions.
  • Further research may explore longer exposure times or different remineralizing agents.