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Related Experiment Video

Updated: Jun 3, 2026

Effects of Mechanical Methods Used in Peri-implantitis Treatment on Implant Surface Decontamination and Roughness
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Effects of Mechanical Methods Used in Peri-implantitis Treatment on Implant Surface Decontamination and Roughness

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[Enamel surface roughness after interproximal enamel reduction with different methods in vitro].

Bing-jiao Zhao1, Hai-miao Wu

  • 1Department of Orthodontics, Shanghai Stomatogical Disease Center, Shanghai 200031, China. zhaobingjiao@sina.com

Shanghai Kou Qiang Yi Xue = Shanghai Journal of Stomatology
|April 1, 2011
PubMed
Summary
This summary is machine-generated.

Interproximal enamel reduction (IER) increases enamel surface roughness. Applying topical fluoride after IER may create smoother enamel surfaces, potentially reducing risks associated with increased roughness.

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Area of Science:

  • Dental Materials Science
  • Biomaterials Engineering
  • Cariology

Background:

  • Interproximal enamel reduction (IER) is a common orthodontic procedure.
  • Understanding the impact of IER on enamel surface properties is crucial for preventing demineralization.
  • Surface roughness can influence plaque accumulation and susceptibility to caries.

Purpose of the Study:

  • To evaluate enamel surface roughness after interproximal enamel reduction (IER) using different techniques.
  • To assess the effect of topical fluoride application on enamel roughness post-IER.
  • To investigate enamel morphology changes under pH cycling conditions.

Main Methods:

  • Thirty premolars underwent IER on one surface, with the contralateral surface serving as a control.
  • Three IER methods were tested: tungsten carbide bur/Sof-Lex disks, bur/maleic acid/disks, and bur/disks/fluor protector.
  • Samples were subjected to a 60-day in vitro pH cycling regimen. Surface roughness (Ra) was measured by profilometry, and morphology was examined using scanning electron microscopy (SEM).

Main Results:

  • IER significantly increased enamel surface roughness compared to control surfaces (P < 0.01).
  • No significant differences in roughness were found among the three IER methods (P > 0.05).
  • SEM revealed smoother enamel surfaces in groups treated with maleic acid or fluor protector compared to the bur/disk group.

Conclusions:

  • Interproximal enamel reduction demonstrably increases proximal enamel surface roughness.
  • The use of topical fluoride appears beneficial in mitigating surface roughness post-IER.
  • Further research into optimizing IER techniques to minimize surface alterations is warranted.