Document Detail


Dentofacial effects of bone-anchored maxillary protraction: a controlled study of consecutively treated Class III patients.
MedLine Citation:
PMID:  21055597     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
INTRODUCTION: In this cephalometric investigation, we analyzed the treatment effects of bone-anchored maxillary protraction (BAMP) with miniplates in the maxilla and mandible connected by Class III elastics in patients with Class III malocclusion.
METHODS: The treated sample consisted of 21 Class III patients consecutively treated with the BAMP protocol before the pubertal growth spurt (mean age, 11.10 ± 1.8 years) and reevaluated after BAMP therapy, about 1 year later. The treated group was compared with a matched control group of 18 untreated Class III subjects. Significant differences between the treated and control groups were assessed with independent-sample t tests (P <0.05).
RESULTS: Sagittal measurements of the maxilla showed highly significant improvements during active treatment (about 4 mm more than the untreated controls), with significant protraction effects at orbitale and pterygomaxillare. Significant improvements of overjet and molar relationship were recorded, as well as in the mandibular skeletal measures at Point B and pogonion. Vertical skeletal changes and modifications in incisor inclination were negligible, except for a significant proclination of the mandibular incisors in the treated group. Significant soft-tissue changes reflected the underlying skeletal modifications.
CONCLUSIONS: Compared with growth of the untreated Class III subjects, the BAMP protocol induced an average increment on skeletal and soft-tissue advancement of maxillary structures of about 4 mm, and favorable mandibular changes exceeded 2 mm.
Authors:
Hugo De Clerck; Lucia Cevidanes; Tiziano Baccetti
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Publication Detail:
Type:  Comparative Study; Controlled Clinical Trial; Journal Article    
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:  138     ISSN:  1097-6752     ISO Abbreviation:  Am J Orthod Dentofacial Orthop     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-08     Completed Date:  2010-12-08     Revised Date:  2013-07-03    
Medline Journal Info:
Nlm Unique ID:  8610224     Medline TA:  Am J Orthod Dentofacial Orthop     Country:  United States    
Other Details:
Languages:  eng     Pagination:  577-81     Citation Subset:  D; IM    
Copyright Information:
Copyright © 2010 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.
Affiliation:
Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC, USA. hugo.declerck@skynet.be
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MeSH Terms
Descriptor/Qualifier:
Bone Plates
Case-Control Studies
Cephalometry / methods
Child
Chin / pathology
Face*
Facial Bones / pathology*
Female
Follow-Up Studies
Humans
Incisor / pathology
Lip / pathology
Male
Malocclusion, Angle Class III / therapy*
Mandible / pathology
Maxilla / pathology*
Maxillofacial Development / physiology
Molar / pathology
Nasal Bone / pathology
Orbit / pathology
Orthodontic Anchorage Procedures / instrumentation,  methods*
Prospective Studies
Sphenoid Bone / pathology
Vertical Dimension
Grant Support
ID/Acronym/Agency:
R01 DE005215-32/DE/NIDCR NIH HHS
Comments/Corrections

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


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