Comparison of the effects of Hawley and perfector/spring aligner retainers on postorthodontic occlusion

Introduction The purpose of this study was to evaluate the short-term changes in posterior occlusion produced by perfector/spring aligner and Hawley retainers. Methods In this prospective clinical study, we randomly assigned 50 patients who had completed full orthodontic treatment to a Hawley retain...

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Bibliographic Details
Published in:American journal of orthodontics and dentofacial orthopedics 2009-06, Vol.135 (6), p.729-736
Main Authors: Horton, Jennifer K, Buschang, Peter H, Oliver, Donald R, Behrents, Rolf G
Format: Article
Language:English
Subjects:
Adolescent
Bicuspid - pathology
Biological and medical sciences
Dentistry
Female
Follow-Up Studies
Humans
Image Processing, Computer-Assisted
Jaw Relation Record
Male
Malocclusion - therapy
Mastication - physiology
Medical sciences
Molar - pathology
Orthodontic Appliance Design
Orthodontic Retainers - classification
Otorhinolaryngology. Stomatology
Pain - physiopathology
Patient Satisfaction
Prospective Studies
Treatment Outcome
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Summary:Introduction The purpose of this study was to evaluate the short-term changes in posterior occlusion produced by perfector/spring aligner and Hawley retainers. Methods In this prospective clinical study, we randomly assigned 50 patients who had completed full orthodontic treatment to a Hawley retainer group or a perfector/spring aligner retainer group. Objective and subjective measures were collected when the retainers were delivered (T1) and approximately 2 months later (T2). Blu Mousse (Parkell Bio-Materials, Farmingdale, NY) was used to quantify posterior areas of contact (
ISSN:0889-5406
1097-6752
DOI:10.1016/j.ajodo.2007.05.022