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Timely relocation of subapically impacted maxillary canines and replacement of an ankylosed mandibular molar are the keys to eruption disturbances in a prepubertal patient

Authors
 Kyung-Keun Shi  ;  Ji-Young Kim  ;  Tae-Hyun Choi  ;  Kee-Joon Lee 
Citation
 AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS, Vol.145(2) : 228-237, 2014 
Journal Title
AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS
ISSN
 0889-5406 
Issue Date
2014
MeSH
Child ; Cuspid/pathology* ; Diagnosis, Differential ; Female ; Follow-Up Studies ; Humans ; Imaging, Three-Dimensional/methods ; Mandible/surgery* ; Maxilla/pathology* ; Molar/surgery* ; Orthodontic Appliance Design ; Palatal Expansion Technique/instrumentation ; Patient Care Planning ; Tomography, X-Ray Computed/methods ; Tooth Ankylosis/diagnosis ; Tooth Ankylosis/surgery* ; Tooth Extraction ; Tooth Movement Techniques/instrumentation ; Tooth Movement Techniques/methods ; Tooth, Impacted/diagnosis ; Tooth, Impacted/therapy* ; Treatment Outcome
Abstract
Eruption disturbances such as impaction and ankylosis complicate orthodontic treatment because soft-tissue and hard-tissue considerations must be taken into account. Treatment is further complicated when such eruption disturbances occur in a growing patient. Extraction of impacted or ankylosed teeth can be an option that carries the weight of additional prostheses and bony defects, whereas exposure or luxation followed by orthodontic traction can preserve the patient's teeth and bony structure with improved esthetics. Therefore, an accurate diagnosis is needed in establishing an efficient and effective force system to achieve the desired tooth movements with few unwanted sequelae. This case report describes the process of differential diagnosis with the aid of 3-dimensional imaging in constructing a force-driven system, using the centers of resistance as reference points, to successfully bring a pair of impacted maxillary canines into alignment and protract a mandibular molar to achieve an acceptable occlusion in an adolescent girl.
Full Text
http://www.sciencedirect.com/science/article/pii/S0889540613009670
DOI
10.1016/j.ajodo.2013.04.025
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ji Young(김지영)
Lee, Kee Joon(이기준) ORCID logo https://orcid.org/0000-0002-0782-3128
Choi, Tae Hyun(최태현)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/98114
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