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Related Experiment Videos

Caries risk after interproximal enamel reduction.

Karim Jarjoura1, Genevieve Gagnon, Lewis Nieberg

  • 1Division of Orthodontics and Periodontics, College of Dental Medicine, Columbia University, New York, NY, USA. kj108@columbia.edu

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
|July 20, 2006
PubMed
Summary
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Air-rotor stripping (ARS) does not increase caries risk on treated enamel surfaces. Standard fluoride exposure is sufficient, and additional topical fluoride applications after ARS may not offer extra benefits for orthodontic patients.

Area of Science:

  • Dentistry
  • Orthodontics
  • Cariology

Background:

  • Air-rotor stripping (ARS) is a common orthodontic technique for managing dental crowding.
  • Concerns exist regarding increased caries risk on abraded enamel surfaces post-ARS.
  • This study evaluates caries susceptibility of ARS-treated versus intact enamel surfaces.

Purpose of the Study:

  • To compare caries incidence on air-rotor stripping (ARS)-treated enamel surfaces versus intact surfaces in orthodontic patients.
  • To assess the impact of ARS on enamel caries susceptibility over time.
  • To determine if additional topical fluoride application is beneficial after ARS.

Main Methods:

  • Forty orthodontic patients undergoing ARS were clinically and radiographically assessed for caries 1-6 years post-procedure.

Related Experiment Videos

  • Caries incidence was compared between ARS-treated and control surfaces within subjects.
  • Standardized 6-month prophylaxis, fluoridated water, and toothpaste use were maintained; no topical fluoride was applied post-ARS.

    • Main Results:

    • A low incidence of interproximal lesions was observed, with no statistically significant difference between ARS-treated (3 lesions) and control (6 lesions) surfaces.
    • Overall decayed, missing, filled tooth (DMFT) and surface (DMFS) scores increased significantly, indicating caries risk in the patient group (P <.001).

    Conclusions:

    • Air-rotor stripping (ARS) does not appear to increase the risk of caries on treated enamel surfaces.
    • In patients with adequate fluoride exposure (water, toothpaste), topical fluoride application post-ARS may not provide additional caries protection.