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Cited by 139Orthodontics and Dentofacial OrthopedicsDental materials and restorationsDental Trauma and Treatments

The DOI matches its Crossref record; 20 of the 22 references it cites were found in a registry or an index.

Materials-induced variation in the torque expression of preadjusted appliances

Gioka, Christiana, Eliades, Theodore·2004·American Journal of Orthodontics and Dentofacial Orthopedics
DOI 10.1016/j.ajodo.2003.02.007
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Abstract

The purpose of this article is to comprehensively investigate the sources of variation in the expression of torque in preadjusted appliances. Variables related to properties of materials were systematically analyzed, including (1) the inability to fill the slot because of the size difference of archwires and bracket slot, (2) irregularities from the manufacturing process of brackets precluding proper engagement, (3) differences in the stiffness of wire alloys engaged to the bracket slot, (4) variations between actual and reported bracket torque values, and (5) ligation modes, all of which might account for increased third-order clearance or bracket-archwire "play." The effect of these variations on the expression of torque is discussed, and the net buccolingual inclinations are provided as a function of wire size and composition for common bracket slot-archwire combinations. Most reports published on this issue indicate a loss of torque control as high as 100% of the prescribed value. Furthermore, the fallacy of transferring the ideal crown inclination to the torque prescribed in the bracket is illustrated, along with the underestimation of the prescribed torque relative to the proper tooth crown. The realistically required torque is analyzed to its constituent components, involving tooth inclination, compensation for the slot-wire play, and incomplete ligation with elastomeric ligatures. Based on the evidence available, it is proposed that a high-torque prescription should be selected to account for the lack of full expression of the prescribed torque that occurs clinically.

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Crossref · 10.1016/j.ajodo.2003.02.007

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Citations

Cites

Research works printed but not linked: 5

  1. Meling, 1998, The effect of cross-sectional dimensional variations of square and rectangular chrome-cobalt archwires on torsion, Angle Orthod, 68, 239
  2. Meling, 1998, The effect of temperature on the elastic responses to longitudinal torsion of rectangular nickel-titanium archwires, Angle Orthod, 68, 357
  3. Meling, 1998, The effect of short-term temperature changes on the mechanical properties of rectangular nickel titanium archwires tested in torsion, Angle Orthod, 68, 369
  4. Kiourtsis DJ. A comparison of the slot dimensions and prescribed torque angles among four brands of ceramic brackets [thesis]. Columbus: The Ohio State University; 1992
  5. Eliades, 2002, in vivo aging of orthodontic alloys, Angle Orthod, 72, 222

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Metadata

Authors
Gioka, C., & Eliades, T.
Affiliations
  • National and Kapodistrian University of Athens (GR)
  • Marquette University (US)
Corresponding author
Eliades, Theodore
ORCID
Eliades, Theodore
Venue
American Journal of Orthodontics and Dentofacial Orthopedics
Publisher
Elsevier BV
Published
2004-03
Volume
125
Issue
3
Pages
323-328
ISSN
0889-5406 (ISSN-L)
DOI
10.1016/j.ajodo.2003.02.007
OpenAlex
W2067027210
Cited by
139
References
22
Citations by year
2026: 4 · 2025: 2 · 2024: 13 · 2023: 8 · 2022: 10 · 2021: 6 · 2020: 7 · 2019: 5 · 2018: 10 · 2017: 7 · 2016: 8 · 2015: 8 · 2014: 7 · 2013: 5 · 2012: 5
FWCI
4.81
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • American Journal of Orthodontics and Dentofacial Orthopedics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Dentistry › Orthodontics › Orthodontics and Dentofacial Orthopedics
  • Health Sciences › Dentistry › General Dentistry › Dental materials and restorations
  • Health Sciences › Dentistry › General Dentistry › Dental Trauma and Treatments
Keywords
bracket torque, elastomeric ligatures, orthodontic archwires
MeSH terms
Dental Alloys, Dental Materials, Elasticity, Humans, Orthodontic Appliances, Orthodontic Wires, Surface Properties, Tooth Movement Techniques, Orthodontic Appliance Design, Orthodontic Brackets, Tooth Crown, Torque, Elastomers

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