Efficiency of multi-strand steel, superelastic Ni-Ti and ion-implanted Ni-Ti archwires for initial alignment.

N. W. Cobb, K. S. Kula, C. Phillips, W. R. Proffit

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

In a clinical trial involving 155 dental arches with irregularity > 5 mm, the rate of alignment was used to compare the alignment efficiency of 16 mil superelastic Ni-Ti versus 17.5 mil triple-stranded steel archwires, and to determine whether ion implantation of the Ni-Ti wire improved its performance. Subjects were randomly assigned to archwire types; both 18 and 22 slot edgewise appliances were employed. Pre-treatment equivalence of the experimental groups was verified. Anterior irregularity was determined monthly (using Little's irregularity index) until it decreased below 2 mm, and the elastomeric ligatures were replaced at each appointment. Effective tooth movement occurred with each of the archwire types. There were no significant differences among wires, but the rate of alignment was significantly faster in the lower arch for subjects with the 22 slot appliance.

Original languageEnglish (US)
Pages (from-to)12-19
Number of pages8
JournalClinical orthodontics and research
Volume1
Issue number1
StatePublished - 1998
Externally publishedYes

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Steel
Ions
Dental Arch
Tooth Movement Techniques
Ligation
Appointments and Schedules
Clinical Trials
titanium nickelide
elastomeric

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Efficiency of multi-strand steel, superelastic Ni-Ti and ion-implanted Ni-Ti archwires for initial alignment. / Cobb, N. W.; Kula, K. S.; Phillips, C.; Proffit, W. R.

In: Clinical orthodontics and research, Vol. 1, No. 1, 1998, p. 12-19.

Research output: Contribution to journalArticle

Cobb, N. W. ; Kula, K. S. ; Phillips, C. ; Proffit, W. R. / Efficiency of multi-strand steel, superelastic Ni-Ti and ion-implanted Ni-Ti archwires for initial alignment. In: Clinical orthodontics and research. 1998 ; Vol. 1, No. 1. pp. 12-19.
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