Document Detail

Distalization pattern of the maxillary arch depending on the number of orthodontic miniscrews.
MedLine Citation:
PMID:  22970751     Owner:  NLM     Status:  Publisher    
Abstract Objective: To determine the effects of linear force vector(s) from interradicular miniscrews on the distalization pattern of the maxillary arch in adult Class II patients. Materials and Methods: Twenty-five adult patients with mild to moderate Class II dentition and minimal crowding were collected. Either single (group A, n  =  12) or dual (group B, n  =  13) miniscrews were inserted on the posterior interradicular area to deliver a distalizing force to the main archwire. The displacement patterns of maxillary incisors and molars were measured and compared. Results: Significant distalization in the molars and incisors was shown in both groups. Significantly greater distalization and intrusion of the first molar and intrusive displacement of the incisor, together with significant reduction of the mandibular plane, were noted in group B, in contrast to the rotation of the occlusal plane in group A. Conclusions: Interradicular miniscrews predictably induced total arch distalization, leading to the correction of Class II. Additional miniscrews in the premolar area appear to facilitate intrusion and distalization of the entire arch according to the position of the force vectors.
Till E Bechtold; Jin-Wook Kim; Tae-Hyun Choi; Young-Chel Park; Kee-Joon Lee
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-12
Journal Detail:
Title:  The Angle orthodontist     Volume:  -     ISSN:  1945-7103     ISO Abbreviation:  Angle Orthod     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370550     Medline TA:  Angle Orthod     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
a Resident, Department of Orthodontics, Eberhard Karls University, Tübingen, Germany. Visiting Scholar, Department of Orthodontics, College of Dentistry, Yonsei University, Seoul, South Korea.
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