Clinical outcomes of 0.018-inch and 0.022-inch bracket slot using the ABO objective grading system

David A. Detterline, Serkis C. Isikbay, Edward J. Brizendine, Katherine S. Kula

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Objective: To determine if there is a significant difference in the clinical outcomes of cases treated with 0.018-inch brackets vs 0.022-inch brackets according to the American Board of Orthodontics (ABO) Objective Grading System (OGS). Materials and Methods: Treatment time and the ABO-OGS standards in alignment/rotations, marginal ridges, buccolingual inclination, overjet, occlusal relationships, occlusal contacts, interproximal contacts, and root angulations were used to compare clinical outcomes between a series of 828 consecutively completed orthodontic cases (2005-2008) treated in a university graduate orthodontic clinic with 0.018-inch- and 0.022-inch-slot brackets. Results: A two-sample t-test showed a significantly shorter treatment time and lower ABO-OGS score in four categories (alignment/rotations, marginal ridges, overjet, and root angulations), as well as lower total ABO-OGS total score, with the 0.018-inch brackets. The ANCOVA-adjusting for covariants of discrepancy index, age, gender, and treatment time-showed that the 0.018-inch brackets scored significantly lower than the 0.022-inch brackets in both the alignment/rotations category and total ABO-OGS score. Conclusions: There were statistically, but not clinically, significant differences in treatment times and in total ABO-OGS scores in favor of 0.018-inch brackets as compared with the 0.022-inch brackets in a university graduate orthodontic clinic (2005-2008). (Angle Orthod. 2010;80:528-532.)

Original languageEnglish (US)
Pages (from-to)528-532
Number of pages5
JournalAngle Orthodontist
Volume80
Issue number3
DOIs
StatePublished - May 2010
Externally publishedYes

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Orthodontics

Keywords

  • American Board of Orthodontics
  • Bracket slot size
  • Clinical outcomes
  • Objective grading system
  • Treatment time

ASJC Scopus subject areas

  • Orthodontics

Cite this

Clinical outcomes of 0.018-inch and 0.022-inch bracket slot using the ABO objective grading system. / Detterline, David A.; Isikbay, Serkis C.; Brizendine, Edward J.; Kula, Katherine S.

In: Angle Orthodontist, Vol. 80, No. 3, 05.2010, p. 528-532.

Research output: Contribution to journalArticle

Detterline, David A. ; Isikbay, Serkis C. ; Brizendine, Edward J. ; Kula, Katherine S. / Clinical outcomes of 0.018-inch and 0.022-inch bracket slot using the ABO objective grading system. In: Angle Orthodontist. 2010 ; Vol. 80, No. 3. pp. 528-532.
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