Document Detail

Clinical efficiency of nonconventional elastomeric ligatures in the canine retraction phase of preadjusted edgewise appliance therapy: an in-vivo study.
MedLine Citation:
PMID:  22640673     Owner:  NLM     Status:  MEDLINE    
INTRODUCTION: Various ligation techniques and materials have been shown to affect the frictional resistance and the rate of tooth movement with sliding mechanics for space closure. The aim of this study was to evaluate the clinical efficiency of nonconventional elastomeric ligatures and conventional elastomeric ligatures during the canine retraction phase by comparing the rates of canine retraction.
METHODS: The 20 patients (12 female, 8 male) in our sample had individual canine retraction (in the first premolar extraction space) in each quadrant (2 maxillary, 2 mandibular) with nonconventional elastomeric ligatures and conventional elastomeric ligatures on either side of the arch. The amount of canine retraction in each interval of 1 month was determined. The rate of canine retraction was calculated and subjected to statistical calculations.
RESULTS: The rates of canine retraction were higher with the nonconventional elastomeric ligatures. However, no statistically significant difference was observed in relation to the maxillary arch. Clinically, in most instances, canine retraction was completed in the same interval in both groups.
CONCLUSIONS: No significant difference in the rate of canine retraction was observed between the nonconventional elastomeric ligature and conventional elastomeric ligature groups in the maxillary arch. Clinically, the nonconventional elastomeric ligature group showed no reduction in time required for complete canine retraction in the maxillary and mandibular arches.
Kartik D Dholakia; Kartik K Dholakia; Shweta R Bhat
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics     Volume:  141     ISSN:  1097-6752     ISO Abbreviation:  Am J Orthod Dentofacial Orthop     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-05-29     Completed Date:  2012-07-30     Revised Date:  2012-08-29    
Medline Journal Info:
Nlm Unique ID:  8610224     Medline TA:  Am J Orthod Dentofacial Orthop     Country:  United States    
Other Details:
Languages:  eng     Pagination:  715-22     Citation Subset:  D; IM    
Copyright Information:
Copyright © 2012 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.
Department of Orthodontics, Nair Hospital Dental College, Mumbai, India.
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MeSH Terms
Analysis of Variance
Cuspid / physiology
Dental Stress Analysis
Orthodontic Appliance Design*
Orthodontic Space Closure / instrumentation*
Overbite / therapy*
Time Factors
Tooth Movement / instrumentation*
Young Adult
Reg. No./Substance:
Erratum In:
Am J Orthod Dentofacial Orthop. 2012 Jul;142(1):3
Note: Dholakia, Kartik K [corrected to Dholakia, Kartik D]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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