Document Detail

Treatment effects of intrusion arches and mini-implant systems in deepbite patients.
MedLine Citation:
PMID:  22640674     Owner:  NLM     Status:  In-Data-Review    
INTRODUCTION: The purpose of this study was to compare the skeletal and dental effects of 2 intrusion systems involving mini-implants and the Connecticut intrusion arch in patients with deepbites.
METHODS: The study sample consisted of 45 adults (26 women, 19 men) with deepbites. They were divided into 3 groups: 2 treatment groups and 1 untreated control group (15 subjects in each group). The Connecticut intrusion arch and the implant groups underwent maxillary incisor intrusion with Connecticut intrusion arches and a mini-implant system, respectively. During the 7-month study period, no other treatment was performed with the exception of maxillary incisor intrusion.
RESULTS: The mean amounts of genuine intrusion were 2.20 mm (0.31 mm per month) in the Connecticut intrusion arch group and 2.47 mm (0.34 mm per month) in the implant group. No statistically significant differences were found in the extent of maxillary incisor intrusion between the 2 intrusion systems (P >0.05). Both systems led to protrusion and intrusion of the maxillary incisors (P <0.05), and protrusion and extrusion of the mandibular incisors (P <0.05). In the Connecticut intrusion arch group, the maxillary molars were extruded by moving the crown distally and the root mesially. The 2 intrusion systems were statistically different in the extent of alterations in the axial inclinations of the maxillary molars (P <0.05).
CONCLUSIONS: Both the Connecticut intrusion arch and the mini-implant intrusion systems successfully intruded the 4 maxillary incisors. Although the movement of the maxillary molars led to the loss of sagittal and vertical anchorages during intrusion of the incisors in the Connecticut intrusion arch group, these anchorages were maintained in the implant and control groups.
Neslihan Ebru Senışık; Hakan Türkkahraman
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Publication Detail:
Type:  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:  141     ISSN:  1097-6752     ISO Abbreviation:  Am J Orthod Dentofacial Orthop     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-05-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8610224     Medline TA:  Am J Orthod Dentofacial Orthop     Country:  United States    
Other Details:
Languages:  eng     Pagination:  723-33     Citation Subset:  D; IM    
Copyright Information:
Copyright © 2012 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.
Assistant professor, Department of Orthodontics, School of Dentistry, Suleyman Demirel University, Isparta, Turkey.
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